Program reference
All 198 programs, generated from presets/*.json, the same files the helmet runs. Field values are the peak at 20 mm depth; calibrate your coils before you rely on them.
- Established: Independently replicated, or consensus
- Independently replicated, or consensus
- Single lab: Published by one lab or group, not independently replicated
- Published by one lab or group, not independently replicated
- Claim: Claimed by the author, lab or vendor; no controlled independent test
- Claimed by the author, lab or vendor; no controlled independent test
- Anecdote: Personal reports only
- Personal reports only
- Unverified: A construct nobody has tested yet
- A construct nobody has tested yet
God Helmet 21
8 Coil Shakti style (fast channel alternation)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
shakti-alternate, layout: custom, Todd Murphy, 8 Coil Shakti (consumer descendant of the Persinger/Koren lab helmets)
The 8 Coil Shakti's standard temporal set-up: a 4-coil cross on each temporal lobe and the amygdala burst-firing signal, switching every half-second between the top-and-bottom coils and the front-and-back coils of both crosses (the vendor's "fast" alternation), for 30 min.
Setting: For effects during the session: darkness and acoustic silence (blindfold and earplugs; Murphy says white noise is no substitute). Otherwise any quiet room.
Schedule: At most weekly or every 72 h, never on consecutive days; series of 3 or 6, then a 21-day break.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala bursts, coil pairs take turns every 0.5 s | 30 | Point table of 5190, 1 ms per point, 3810 ms pause + Point table of 5000, 1 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
The 8 Coil Shakti puts a cross on each temporal lobe (top, bottom, front and back; about C5, T9, FT7, TP7 and C6, T10, FT8, TP8; the site names are an inference). One stereo channel drives the top and bottom coils of both crosses, the other the front and back coils, and in "fast" mode the signal switches channels every half-second, which the vendor says emerged as "the most effective" in the original developers' lab tests ("slow" mode switches once per signal). Here two tracks, each with the signal gated in a point table, reproduce that switch; so that the half-second clock and the signal repeat together, a burst comes every 4.5 s (3.8 s of silence instead of about 4 s), and successive bursts start on alternate coil pairs. As on the vendor's coil chart, each pair is one + and one - coil: C5 (top) and FT7 (front) on the left and T10 (bottom) and TP8 (back) on the right get the reversed signal (weight -1), while T9, TP7, C6 and FT8 get it as is. The amygdala ('burstx') file is proprietary and is approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s). The vendor's session lengths are 10 (tests), 20, 30 or 60 min; 30 min is the length for a series. Murphy's seizure anecdote involved left/right attention shifting in a seizure-prone person: skip this preset with any seizure history, and also with a psychiatric diagnosis or medication or migraine. An independent randomized, sham-controlled test of the 8 Coil Shakti amygdala signal over both temporal lobes (30 min, 37 people) found no effect on emotional responses (Gendle & McGrath 2012); Murphy disputes their choice of session. Granqvist 2005 also found no field effect. Persinger's lab reported more aggression and less trust after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993): stop if you notice irritability.
Aims at: left-amygdala, right-amygdala, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Murphy, 8 Coil Shakti; Murphy, Shakti demo: Getting started (8-coil chart); Murphy, Shakti demo: 8 coil placement; Murphy, Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Using the 8 Coil Shakti over the temporal lobes; Murphy, Shakti demo: How long should sessions be; Murphy, Enlightenment lecture; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, A reply to Gendle & McGrath; Gillis & Persinger 1993, Percept Mot Skills 76:168; Granqvist et al. 2005, Neurosci Lett 379:1
8 Coil Shakti two-phase: hippocampus both sides, then amygdala leftClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-twophase-family-hippbi-amyl, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
One of Todd Murphy's interhemispheric 'as seen on TV' two-phase sessions for the 8 Coil Shakti: the hippocampal 'LTP' signal over both temporal lobes for 20 min, then amygdala burst-firing over the left temporal lobe for 20 min (the 40-min run most users prefer, Murphy says). Murphy states that the amygdala signal on the left in phase 2 gives emotional or positive after-effects.
Setting: Darkness and acoustic silence ('not just quiet'), at night; eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark. The vendor: 'You don't have to use sensory deprivation if you're looking for after-effects.'
Schedule: Vendor: while trying sessions out, at most every 72 h; once you settle on a session, once a week; never on consecutive days. For sessions of an hour or more (the 60-min run) the demo video and the safety pages say once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions from that rule.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FTT7h, CH6 TTP9h, CH7 FTT8h, CH8 TTP10h
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal LTP, both sides (2 coils each) | 20 | Point table of 260, 3 ms per point, 4000 ms pause | All coils together, weighted |
| 2 | Amygdala burst-firing, left side (4 coils) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together, weighted |
Coils as in the photos on the vendor's output pages for the left-ending sessions: six on the left and two on the right ('The left side has four coils from the left channel, and two coils from the right channel. The right side has two coils from the right stereo channel.'). The four left-channel coils form a cross over the left temporal lobe (FT7 front, C5 top, TP7 back, T9 bottom; CH1-4); the two right-channel coils on the left sit inside that cross, above-front and below-back of its centre (FTT7h and TTP9h; CH5-6), and the two on the right form the same diagonal pair over the right temporal lobe (FTT8h and TTP10h; CH7-8). The 10-5 sites are read from the photos and are an inference. Phase 1 (20 min) drives the four right-channel coils together (the right channel over both sides); phase 2 (20 min, abrupt switch) drives the four left-channel coils (the left channel over the left side only). There is no rotation, as on the two-channel Shakti. Polarity as in the photos ('Note the positions of the positive and negative coils carefully'): the left cross has its top and front coils - (C5, FT7: weight -1) and its back and bottom coils + (TP7, T9); each right-channel pair has its upper-front coil + (FTT7h, FTT8h) and its lower-back coil - (TTP9h, TTP10h). For the starred chirp version of this layout Murphy's demo video says instead that 'all of the coils on the left side of the head are positive' (murphy-shakti8-tv-chirpbi-amyl follows the video). Durations: the output pages and Murphy's demo video offer 40- and 60-min runs, and the video says 'most users seem to prefer the 40-minute session, 20 minutes of each of the signals seems to be enough' (in agreement, Murphy says, with some of the laboratory work); this file is that 40-min run. The 60-min run is presumably 30 + 30 min (not stated). The rotating Shiva God Helmet versions of this design are murphy-gh-hippbi-amyl-40min and -60min. The hippocampal 'LTP' signal is proprietary; it is approximated by 5 theta bursts of 4 biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), repeated at 5.4 Hz (the spectral peak the vendor gives for its LTP signal) and drawn on Shakti's standard 3-ms points (0.78 s; the burst count is a choice), then the standard 4-s silence. The amygdala 'burstx' signal is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points at the standard 3-ms points (0.69 s, after the published 230-point burst-firing pattern), then the standard 4-s silence. Vendor: 'Be careful when setting up these sessions ... check and double-check' (here: check that the coils sit on the correct sides); the first phase may be unpleasant, and Skip goes to phase 2. Test the phase-2 signal on each side first with 10-min test sessions. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. For the God Helmet version of this design Murphy advises: anger or restlessness in phase 1 means Skip or Stop; anger or a 'racing mind' in phase 2 means stop and never reuse it; not for people prone to anger. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's two-phase pages (2026): 20 + 20 min instead of 30 + 30, eight separate coils as on the output pages instead of six with two shared between the phases, and polarity from the session photos instead of the general coil chart. Still approximate: the coil sites and both signal templates.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, left-amygdala (field on the brain)
Sources:Murphy, Shakti demo: Two-phase sessions (as seen on TV); Murphy, Shakti demo: output hippocampus both, then amygdala left (setup photos); Murphy, Shakti Software Demo (video; 40-min runs of 20 min per signal); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Murphy, Hippocampus and Amygdala God Helmet Stimulation; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
8 Coil Shakti two-phase: modulated 40 Hz both sides, then amygdala leftClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-twophase-family-mod40bi-amyl, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
One of Todd Murphy's interhemispheric 'as seen on TV' two-phase sessions for the 8 Coil Shakti: the 'modulated 40 Hz' signal over both temporal lobes for 20 min, then amygdala burst-firing over the left temporal lobe for 20 min (the 40-min run most users prefer, Murphy says). Murphy states that the amygdala signal on the left in phase 2 gives emotional or positive after-effects.
Setting: Darkness and acoustic silence ('not just quiet'), at night; eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark. The vendor: 'You don't have to use sensory deprivation if you're looking for after-effects.'
Schedule: Vendor: while trying sessions out, at most every 72 h; once you settle on a session, once a week; never on consecutive days. For sessions of an hour or more (the 60-min run) the demo video and the safety pages say once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions from that rule.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FTT7h, CH6 TTP9h, CH7 FTT8h, CH8 TTP10h
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides (2 coils each) | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | All coils together, weighted |
| 2 | Amygdala burst-firing, left side (4 coils) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together, weighted |
Coils as in the photos on the vendor's output pages for the left-ending sessions: six on the left and two on the right ('The left side has four coils from the left channel, and two coils from the right channel. The right side has two coils from the right stereo channel.'). The four left-channel coils form a cross over the left temporal lobe (FT7 front, C5 top, TP7 back, T9 bottom; CH1-4); the two right-channel coils on the left sit inside that cross, above-front and below-back of its centre (FTT7h and TTP9h; CH5-6), and the two on the right form the same diagonal pair over the right temporal lobe (FTT8h and TTP10h; CH7-8). The 10-5 sites are read from the photos and are an inference. Phase 1 (20 min) drives the four right-channel coils together (the right channel over both sides); phase 2 (20 min, abrupt switch) drives the four left-channel coils (the left channel over the left side only). There is no rotation, as on the two-channel Shakti. Polarity as in the photos ('Note the positions of the positive and negative coils carefully'): the left cross has its top and front coils - (C5, FT7: weight -1) and its back and bottom coils + (TP7, T9); each right-channel pair has its upper-front coil + (FTT7h, FTT8h) and its lower-back coil - (TTP9h, TTP10h). For the starred chirp version of this layout Murphy's demo video says instead that 'all of the coils on the left side of the head are positive' (murphy-shakti8-tv-chirpbi-amyl follows the video). This session's own output page has no photos or coil text, so the layout of the other left-ending sessions is used (an inference). Its header and file code (bi_mod40) name the plain modulated 40 Hz signal, but its text says 'Modulated 40 Hz Chirp signal'; this file uses the plain signal. Durations: the output pages and Murphy's demo video offer 40- and 60-min runs, and the video says 'most users seem to prefer the 40-minute session, 20 minutes of each of the signals seems to be enough' (in agreement, Murphy says, with some of the laboratory work); this file is that 40-min run. The 60-min run is presumably 30 + 30 min (not stated). The rotating Shiva God Helmet versions of this design are murphy-gh-mod40bi-amyl-40min and -60min. The 'modulated 40 Hz' signal is proprietary; it is approximated by a continuous 40 Hz sine whose phase swings by up to 3 rad every 2 s (38.5-41.5 Hz). The amygdala 'burstx' signal is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points at the standard 3-ms points (0.69 s, after the published 230-point burst-firing pattern), then the standard 4-s silence. Vendor: 'Be careful when setting up these sessions ... check and double-check' (here: check that the coils sit on the correct sides); the first phase may be unpleasant, and Skip goes to phase 2. Test the phase-2 signal on each side first with 10-min test sessions. For the God Helmet version of this design Murphy advises: if anger appears during or after the session, never reuse it; not for people prone to anger. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's two-phase pages (2026): 20 + 20 min instead of 30 + 30, eight separate coils as on the output pages instead of six with two shared between the phases, and polarity from the session photos instead of the general coil chart. Still approximate: the coil sites and both signal templates.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Murphy, Shakti demo: Two-phase sessions (as seen on TV); Murphy, Shakti demo: output modulated 40 Hz both, then amygdala left; Murphy, Shakti Software Demo (video; 40-min runs of 20 min per signal); Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, The God Helmet applies one signal after another (modulated 40 Hz both, then amygdala left); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
8 Coil Shakti: Altered States (frontal, then temporal), 40 minClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-altered-states-40min, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
Todd Murphy's 'Altered States' session for the 8 Coil Shakti, the Feelgood session in reverse: the amygdala and hippocampus signals in sequence over both frontal lobes, then over both temporal lobes, to 'build activity in the frontal lobes' and then shunt it to the temporal lobes. Murphy reports effects and after-effects 'consistent with temporal lobe phenomena, including altered states', and also suggests it before meditation.
Setting: For effects during the session: darkness and silence, eyes closed, relaxed without meditating or falling asleep. For meditation: end the session 1-2 h before you practise; never meditate or use other mind machines during it (vendor).
Schedule: Vendor (Feelgood and Altered States page): no more often than every three days for the 40-min session (once a week when effects appear for the 60-min one), never on consecutive days; a series of up to 6 sessions, then a 3-week break. If no effects appear, alternate Altered States and Feelgood (murphy-shakti8-feelgood-2phase-40min) every three days for three sessions, then stop for a week (the vendor's general safety page, by contrast, advises against going back and forth between two session designs).
Coils: CH1 Fp1, CH2 AF3, CH3 FT7, CH4 TP7, CH5 Fp2, CH6 AF4, CH7 FT8, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Frontal lobes: amygdala + hippocampus in sequence | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.78 s off, 3 ms points + Point table of 1823, 3 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
| 2 | Temporal lobes: amygdala + hippocampus in sequence | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.78 s off, 3 ms points + Point table of 1823, 3 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
Phase 1 (20 min) plays the signal on the four frontal coils (Fp1, AF3, Fp2, AF4), phase 2 (20 min, abrupt switch) on the four temporal coils (FT7, TP7, FT8, TP8); in each phase the four coils run together without rotation, like one Shakti stereo channel. The output page is inconsistent about channels: its header lists phase 1 on the right channel and phase 2 on the left, its text 'the Left Channel only' on the frontal lobes, 'followed by the same signals (Right Channel only) to the temporal lobes'. Both put the frontal lobes first (with the Feelgood wiring the right channel drives the frontal coils), which this file follows. The frontal sites are an inference (the vendor shows photos only). Coil polarity follows the vendor's Feelgood photos, which use the same eight coils: the Shakti's coils come as + and - ('North and South'), one of each per stereo channel on each side. On the forehead AF3 (upper left) and Fp2 (lower right) are reversed (weight -1) and Fp1 and AF4 run as is; on the temples FT7 and TP8 are reversed and TP7 and FT8 run as is, as on the front and back coils of the vendor's coil chart (the vendor's side views disagree: the two on the Feelgood consent page show the front coil + and the back coil -, a 2021 view on the Mood enhancement page the reverse). The signal is 'amygdala and hippocampus in sequence': one amygdala burst, about 4 s of silence, one hippocampal burst train, 4 s of silence, repeated, which gives about 9.3 s of field per minute (vendor: about 9.6 s). Both waveforms are proprietary. The amygdala 'burstx' signal is approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points at Shakti's standard 3-ms points (0.69 s, after the published 230-point burst-firing pattern); the hippocampal 'LTP' signal by 5 theta bursts of 4 biphasic pulses 9 ms apart, repeated at 5.4 Hz (the spectral peak the vendor gives for its LTP signal) on the same 3-ms grid (0.78 s; the burst count is a choice). The output page offers 40- and 60-min runs but gives no phase lengths, so the 20 + 20 min here (30 + 30 in murphy-shakti8-altered-states-60min) is inferred. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The vendor warns that too many Altered States (temporal) or Feelgood (frontal) sessions 'can create a kind of malaise or even lethargy'. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's pages (2026): the output page's channel inconsistency, the inferred phase lengths and the per-length schedule noted, and the polarity remark corrected; sites, polarity and signals are unchanged and remain approximations as described.
Aims at: vmpfc, left-dlpfc, right-dlpfc, left-temporal-pole, right-temporal-pole, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-amygdala, right-amygdala, left-hippocampus-head, left-hippocampus-body, right-hippocampus-head, right-hippocampus-body (field on the brain)
Sources:Murphy, Shakti demo: Altered states output page; Murphy, Shakti demo: Two-phase sessions list; Murphy, Shakti demo: Feelgood and Altered States consent (schedule by session length); Murphy, Meditation and the 8 Coil Shakti; Murphy, The Feelgood Session for the 8 Coil Shakti (coil photos with + and - coils); Murphy, Mood enhancement & the 8 Coil Shakti (Feelgood side photo; coils 'North and South'); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: Too many sessions over the same area
8 Coil Shakti: Altered States (frontal, then temporal), 60 minClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti8-altered-states-60min, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
Todd Murphy's 'Altered States' session for the 8 Coil Shakti, the Feelgood session in reverse: the amygdala and hippocampus signals in sequence over both frontal lobes, then over both temporal lobes, to 'build activity in the frontal lobes' and then shunt it to the temporal lobes. Murphy reports effects and after-effects 'consistent with temporal lobe phenomena, including altered states', and also suggests it before meditation.
Setting: For effects during the session: darkness and silence, eyes closed, relaxed without meditating or falling asleep. For meditation: end the session 1-2 h before you practise; never meditate or use other mind machines during it (vendor).
Schedule: Vendor (Feelgood and Altered States page): no more often than once a week when effects appear for the 60-min session (every three days for the 40-min one), never on consecutive days; up to 6 sessions, then a 3-week break. The general Shakti pages put 60-min sessions at most once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions such as this one. If no effects appear, the Feelgood page suggests alternating Altered States and Feelgood (murphy-shakti8-feelgood-2phase-60min); the vendor's general safety page, by contrast, advises against going back and forth between two session designs.
Coils: CH1 Fp1, CH2 AF3, CH3 FT7, CH4 TP7, CH5 Fp2, CH6 AF4, CH7 FT8, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Frontal lobes: amygdala + hippocampus in sequence | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.78 s off, 3 ms points + Point table of 1823, 3 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
| 2 | Temporal lobes: amygdala + hippocampus in sequence | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.78 s off, 3 ms points + Point table of 1823, 3 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
Phase 1 (30 min) plays the signal on the four frontal coils (Fp1, AF3, Fp2, AF4), phase 2 (30 min, abrupt switch) on the four temporal coils (FT7, TP7, FT8, TP8); in each phase the four coils run together without rotation, like one Shakti stereo channel. The output page is inconsistent about channels: its header lists phase 1 on the right channel and phase 2 on the left, its text 'the Left Channel only' on the frontal lobes, 'followed by the same signals (Right Channel only) to the temporal lobes'. Both put the frontal lobes first (with the Feelgood wiring the right channel drives the frontal coils), which this file follows. The frontal sites are an inference (the vendor shows photos only). Coil polarity follows the vendor's Feelgood photos, which use the same eight coils: the Shakti's coils come as + and - ('North and South'), one of each per stereo channel on each side. On the forehead AF3 (upper left) and Fp2 (lower right) are reversed (weight -1) and Fp1 and AF4 run as is; on the temples FT7 and TP8 are reversed and TP7 and FT8 run as is, as on the front and back coils of the vendor's coil chart (the vendor's side views disagree: the two on the Feelgood consent page show the front coil + and the back coil -, a 2021 view on the Mood enhancement page the reverse). The signal is 'amygdala and hippocampus in sequence': one amygdala burst, about 4 s of silence, one hippocampal burst train, 4 s of silence, repeated, which gives about 9.3 s of field per minute (vendor: about 9.6 s). Both waveforms are proprietary. The amygdala 'burstx' signal is approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points at Shakti's standard 3-ms points (0.69 s, after the published 230-point burst-firing pattern); the hippocampal 'LTP' signal by 5 theta bursts of 4 biphasic pulses 9 ms apart, repeated at 5.4 Hz (the spectral peak the vendor gives for its LTP signal) on the same 3-ms grid (0.78 s; the burst count is a choice). The output page offers 40- and 60-min runs but gives no phase lengths, so the 30 + 30 min here (20 + 20 in murphy-shakti8-altered-states-40min) is inferred. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The vendor warns that too many Altered States (temporal) or Feelgood (frontal) sessions 'can create a kind of malaise or even lethargy'. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's pages (2026): the output page's channel inconsistency, the inferred phase lengths and the per-length schedule noted, and the polarity remark corrected; sites, polarity and signals are unchanged and remain approximations as described.
Aims at: vmpfc, left-dlpfc, right-dlpfc, left-temporal-pole, right-temporal-pole, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-amygdala, right-amygdala, left-hippocampus-head, left-hippocampus-body, right-hippocampus-head, right-hippocampus-body (field on the brain)
Sources:Murphy, Shakti demo: Altered states output page; Murphy, Shakti demo: Two-phase sessions list; Murphy, Shakti demo: Feelgood and Altered States consent (schedule by session length); Murphy, Meditation and the 8 Coil Shakti; Murphy, The Feelgood Session for the 8 Coil Shakti (coil photos with + and - coils); Murphy, Mood enhancement & the 8 Coil Shakti (Feelgood side photo; coils 'North and South'); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: Too many sessions over the same area; Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
God Helmet classic (Persinger 2-phase)Single lab: Published by one lab or group, not independently replicated60 min, 1.0 µT
god-helmet-classic, layout: custom, Persinger & Koren (Laurentian University) sensed-presence protocol; home version by Todd Murphy (Shiva God Helmet software)
Persinger and Koren's two-phase procedure in Todd Murphy's Shiva God Helmet version: 30 min of the "modulated 40 Hz chirp" cycling around four coils on the RIGHT temporal lobe only, then an abrupt switch to 30 min of the amygdala burst-firing signal cycling on both temporal lobes. Phase 1 can cause fear; press Skip to go straight to phase 2.
Setting: Dark, silent room ("silence, not just quiet"), blindfold, eyes closed, reclined; relax without meditating or falling asleep. Lab sessions ran mostly between midnight and 4 am in an acoustic chamber that was also a Faraday cage. For experiences during the session Murphy advises geomagnetic quiet (K 0-2). A helper can press Skip if phase 1 becomes frightening, so you stay in the dark.
Schedule: At most weekly, never on consecutive days; six sessions, then a 21-day break; don't mix with other Shiva or Shakti sessions in the same weeks. Murphy advises starting with other sessions before this one.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Right hemisphere chirp, counter-clockwise | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping counter-clockwise around the right side, 125 ms per coil |
| 2 | Bilateral amygdala burst-firing | 30 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil, level 0.91 |
Murphy reports that the lab ran phase 1 for about 30 min before the abrupt switch; his Shiva version runs 30 + 30 min (as here) or 20 + 20 min. Four coils sit in a cross on each temporal lobe (about FT7, C5, TP7, T9 and FT8, C6, TP8, T10; the site names are an inference; Murphy says the lab helmet's two top coils and the centre coil between the four on each side are no longer used). Phase 1 drives only the right cross, stepping counter-clockwise; phase 2 drives both crosses, clockwise on the left and counter-clockwise on the right, as the session page text says and as Collins 2014 describes the Shiva 4+4 helmet in Persinger's lab (an image caption on Murphy's session list says clockwise on the right). Viewed side by side both run top, back, bottom, front (an inference). Murphy gives no step time, only "a fraction of a second" per cycle; 125 ms per coil (0.5 s per cycle) is an inference. Both signals are proprietary. The "modulated 40 Hz chirp" (the vendor: a modulated 40 Hz signal whose gaps grow longer, with Fibonacci-varied amplitude and gaps; one vendor page says it "does not change in tone", another shows a chirp whose frequency falls) is approximated by a frequency sweep falling from 40 to 6 Hz on 3-ms points, 2.5 s on and 1.5 s off (837 points of 3 ms every 4 s, after the lab's frequency-modulated 'Thomas' pattern: 837 values every 4 s, Dixon & Persinger 2001; 3-ms points over the right hemisphere, Tiller & Persinger 2002); the 40 Hz modulation and the amplitude variation are not reproduced. Changed after the primary-source check: the amygdala signal now has the length a Laurentian thesis gives for the Shiva software's own "amygdaloid signal, normal speed", 289 points of 3 ms (0.87 s) with 4 s between cycles (Collins 2014), approximated by the built-in accelerating burst (6 to 30 Hz); it was 230 points (0.69 s), the length of the lab's own Burst-X file (Carniello 2020), which the lab played once every 3-4 s. The lab's own protocol (Saroka 2015) is 30 min of the frequency-modulated Thomas pattern over both temporoparietal regions, then 30 min of Burst-X (persinger-saroka-2015-sensed-presence). When Persinger's lab tested Shiva's 4+4 helmet (coils 5 cm apart vertically and 8 cm horizontally, 1-2 uT, 20-min primer and target phases, 24 people), only right-frontal high-beta rose (Collins 2014). The Shiva software plays phase 1 10 % louder than the user setting, so phase 2 runs at level 0.91. Murphy calls phase 1 "somewhat unpleasant for many people" ("women seem to be more prone") and warns against making it an endurance contest; if anger or irritability appears during or after phase 2, never repeat the session. Not for people prone to anxiety or with epilepsy, migraine, brain injury, a psychiatric diagnosis or medication; no drugs or other mind machines. Persinger, quoted by Murphy, put visions of Christ or God at about 20 of some 2000 lab subjects. Independent double-blind tests found no effect of the field (Granqvist 2005; Gendle & McGrath 2012).
Aims at: right-temporal-pole, right-superior-temporal-gyrus-posterior, right-tpj, right-amygdala, left-amygdala (field on the brain)
Sources:Murphy, God Helmet 2-stage session using chirp and amygdala signals; Murphy, God Helmet session list; Murphy, What to do during God Helmet sessions; Murphy, God Helmet set and setting; Murphy, God Helmet schedule; Murphy, Intro to the God Helmet (Persinger email quoted); Murphy, Shakti demo: Modulated 40 Hz chirp signal; Murphy, Enlightenment lecture; Murphy, Deja vu lecture; Murphy-Balbin interview; McTaggart interview with Murphy (2006); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University (Shiva amygdaloid signal: 289 points, 3 ms, 4000 ms between cycles; 100 ms plus 20 ms per column; ch. 4: Shiva 4+4 helmet); Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points; Thomas file with 3-ms points and intervals); Saroka 2015, doctoral thesis, Laurentian University, p. 29 (sensed-presence protocol: 30 min bilateral temporo-parietal frequency-modulated Thomas pattern, then 30 min BurstX); Murphy, Shiva: sessions used in lab experiments (Published Studies session; the chirp "does not change in tone"); Dixon & Persinger 2001, Int J Neurosci 108:87; Tiller & Persinger 2002, Percept Mot Skills 94:26; St-Pierre & Persinger 2006, Int J Neurosci 116:1079; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet classic (Shiva): right chirp, then amygdala both sides, 40 minSingle lab: Published by one lab or group, not independently replicated40 min, 1.4 µT
murphy-gh-chirpr-amybi-40min, layout: custom, Persinger & Koren (Laurentian University) sensed-presence protocol; home version by Todd Murphy (Shiva God Helmet software)
Murphy's Shiva version of the Persinger/Koren lab design: a modulated-40 Hz 'chirp' stepping around the four right temporal coils, then an abrupt switch to amygdala burst-firing over both sides. Murphy reports presence, elation, joy, inner imagery or feelings of love in phase 2 and says the lab design gave visions of God only to a small percentage; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence (the lab used an acoustic chamber that was also a Faraday cage, and gauze plus a blindfold). Relax without meditating or falling asleep. Lab sessions ran mostly between midnight and 4 am during geomagnetic quiet. A helper can press Skip during phase 1 so you stay in the dark.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy). Murphy advises using other sessions first.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, right side, counter-clockwise | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping counter-clockwise around the right side, 62.5 ms per coil |
| 2 | Amygdala burst-firing, both sides | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 62.5 ms per coil, level 0.71 |
Phase 1 (20 min): the chirp on the four right coils only. Murphy expects it to be somewhat unpleasant for many people (fear; he says women seem more prone): if fear comes, press Skip to go to phase 2 at once (his software shows a flashing 'abort' button for this) and do not make it into an endurance contest. Phase 2 (20 min, abrupt switch): amygdala burst-firing on all eight coils, left side clockwise and right side counter-clockwise. If anger or irritability appears during or after phase 2, never reuse this session. Not for people prone to anxiety. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Murphy's software plays phase 1 '10% higher than the volume level you entered (25% by default)' and says never to set the volume above 82%, since a higher setting would run the session 'at a volume above 92%, where signal distortion can occur'; 82 + 10 = 92, so the step is ten percentage points: 35% against 25% at the default setting. Here phase 1 therefore runs at the session intensity (1.4 µT by default) and phase 2 at 0.71 of it (about 1 µT); at higher settings the vendor's step is relatively smaller (60% against 50% is 0.83). The page names 'the second phase' in its 82% warning although the boost is in the first; this file follows the boost as described. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The amygdala 'burstx' template is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz): 230 points as in Ryczko & Persinger 2002 (who used 4-ms points, once every 3 s), here at the vendor's standard 3-ms points (0.69 s, close to the 'about 0.7 s' burst of Persinger et al. 2009), then the vendor's 4 s silence; this gives about 9 s of field per minute (the vendor states 9.6 s). Coil steps: the step time is unpublished. Murphy calls the rotation the fast motion of the God Helmet, 'several times per second', and says each cycle around the temporal lobes 'takes a fraction of a second', so 62.5 ms per coil (4 cycles per second on each side) is used. Directions follow Murphy's 'Over the left side, the direction is clockwise, and over the right, it's counter clockwise', each side seen from its own side, as his coil-numbered God Helmet animations show (right coils 1-2-3-4 and left coils 5-6-7-8 each step top, back, bottom, front) and as his animation of the Koren helmet's right side shows; so here both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8), starting at the top coil, and the placement order is set so the app's per-side directions mean exactly this. An image caption added to the session list in 2021 says the right side cycles clockwise; the text and the animations are followed. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. Persinger's own account of the lab design (2002, reproduced on Murphy's site) gives the frequency-modulated signal over the right temporal lobe 'for 15 [or 20] minutes', then burst-firing over both sides 'once every three or four seconds for the same length of time'; Murphy's software runs 'each phase 20 minutes' (40-min session) or 'each phase 30 minutes' (60-min session). This is the 40-min version (20 + 20 min, the lab's longer reading); the 60-min version is murphy-gh-chirpr-amybi-60min. Revised after a re-check of Murphy's session pages (2026): rotation 4 cycles per second instead of 2, the phase-1 boost read as ten percentage points (phase 2 at 0.71 of phase 1 instead of 0.91, with the session default raised to 1.4 µT so that phase 2 stays near 1 µT), the rotation direction now backed by the vendor's animations, and the lab's 15-20-min phases noted. Still approximate: both signal templates, the coil sites and the step time.
Aims at: right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, God Helmet session list; Murphy, God Helmet - 2 stage session using chirp and amygdala signals; Murphy, The (Shiva) God Helmet (rotation 'several times per second'; phases of 20 to 30 min); Murphy, God Helmet animation, right side (coils 1-4); Murphy, God Helmet animation, left side (coils 5-8); Murphy, Koren helmet animation; Persinger 2002, Experimental stimulation of the God experience, in Joseph (ed.), NeuroTheology (reproduced by Murphy; FM signal right 15 or 20 min, then burst-firing both sides); Murphy, What to do during God Helmet sessions; Murphy, God Helmet schedule; Lynne McTaggart interviews Todd Murphy (2006); Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 (burst of about 0.7 s every 3 s); St-Pierre & Persinger 2006, Int J Neurosci 116:1079 (re-analysis of 19 experiments); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet classic (Shiva): right chirp, then amygdala both sides, 60 minSingle lab: Published by one lab or group, not independently replicated60 min, 1.4 µT
murphy-gh-chirpr-amybi-60min, layout: custom, Persinger & Koren (Laurentian University) sensed-presence protocol; home version by Todd Murphy (Shiva God Helmet software)
Murphy's Shiva version of the Persinger/Koren lab design: a modulated-40 Hz 'chirp' stepping around the four right temporal coils, then an abrupt switch to amygdala burst-firing over both sides. Murphy reports presence, elation, joy, inner imagery or feelings of love in phase 2 and says the lab design gave visions of God only to a small percentage; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence (the lab used an acoustic chamber that was also a Faraday cage, and gauze plus a blindfold). Relax without meditating or falling asleep. Lab sessions ran mostly between midnight and 4 am during geomagnetic quiet. A helper can press Skip during phase 1 so you stay in the dark.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy). Murphy advises using other sessions first. Murphy's Shiva pages allow 60-min sessions weekly or every two weeks; his Shakti pages say at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, right side, counter-clockwise | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping counter-clockwise around the right side, 62.5 ms per coil |
| 2 | Amygdala burst-firing, both sides | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 62.5 ms per coil, level 0.71 |
Phase 1 (30 min): the chirp on the four right coils only. Murphy expects it to be somewhat unpleasant for many people (fear; he says women seem more prone): if fear comes, press Skip to go to phase 2 at once (his software shows a flashing 'abort' button for this) and do not make it into an endurance contest. Phase 2 (30 min, abrupt switch): amygdala burst-firing on all eight coils, left side clockwise and right side counter-clockwise. If anger or irritability appears during or after phase 2, never reuse this session. Not for people prone to anxiety. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Murphy's software plays phase 1 '10% higher than the volume level you entered (25% by default)' and says never to set the volume above 82%, since a higher setting would run the session 'at a volume above 92%, where signal distortion can occur'; 82 + 10 = 92, so the step is ten percentage points: 35% against 25% at the default setting. Here phase 1 therefore runs at the session intensity (1.4 µT by default) and phase 2 at 0.71 of it (about 1 µT); at higher settings the vendor's step is relatively smaller (60% against 50% is 0.83). The page names 'the second phase' in its 82% warning although the boost is in the first; this file follows the boost as described. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The amygdala 'burstx' template is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz): 230 points as in Ryczko & Persinger 2002 (who used 4-ms points, once every 3 s), here at the vendor's standard 3-ms points (0.69 s, close to the 'about 0.7 s' burst of Persinger et al. 2009), then the vendor's 4 s silence; this gives about 9 s of field per minute (the vendor states 9.6 s). Coil steps: the step time is unpublished. Murphy calls the rotation the fast motion of the God Helmet, 'several times per second', and says each cycle around the temporal lobes 'takes a fraction of a second', so 62.5 ms per coil (4 cycles per second on each side) is used. Directions follow Murphy's 'Over the left side, the direction is clockwise, and over the right, it's counter clockwise', each side seen from its own side, as his coil-numbered God Helmet animations show (right coils 1-2-3-4 and left coils 5-6-7-8 each step top, back, bottom, front) and as his animation of the Koren helmet's right side shows; so here both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8), starting at the top coil, and the placement order is set so the app's per-side directions mean exactly this. An image caption added to the session list in 2021 says the right side cycles clockwise; the text and the animations are followed. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. Persinger's own account of the lab design (2002, reproduced on Murphy's site) gives the frequency-modulated signal over the right temporal lobe 'for 15 [or 20] minutes', then burst-firing over both sides 'once every three or four seconds for the same length of time'; Murphy's software runs 'each phase 20 minutes' (40-min session) or 'each phase 30 minutes' (60-min session). This is the 60-min version (30 + 30 min, longer than the lab's phases); the 40-min version is murphy-gh-chirpr-amybi-40min. Revised after a re-check of Murphy's session pages (2026): rotation 4 cycles per second instead of 2, the phase-1 boost read as ten percentage points (phase 2 at 0.71 of phase 1 instead of 0.91, with the session default raised to 1.4 µT so that phase 2 stays near 1 µT), the rotation direction now backed by the vendor's animations, and the lab's 15-20-min phases noted. Still approximate: both signal templates, the coil sites and the step time.
Aims at: right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, God Helmet session list; Murphy, God Helmet - 2 stage session using chirp and amygdala signals; Murphy, The (Shiva) God Helmet (rotation 'several times per second'; phases of 20 to 30 min); Murphy, God Helmet animation, right side (coils 1-4); Murphy, God Helmet animation, left side (coils 5-8); Murphy, Koren helmet animation; Persinger 2002, Experimental stimulation of the God experience, in Joseph (ed.), NeuroTheology (reproduced by Murphy; FM signal right 15 or 20 min, then burst-firing both sides); Murphy, What to do during God Helmet sessions; Murphy, God Helmet schedule; Lynne McTaggart interviews Todd Murphy (2006); Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 (burst of about 0.7 s every 3 s); St-Pierre & Persinger 2006, Int J Neurosci 116:1079 (re-analysis of 19 experiments); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet double session, part 1 of 2 (chirp right, then amygdala both sides)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.4 µT
murphy-gh-double-session-part-1, layout: custom, Todd Murphy (2018 interview; he cites one unpublished laboratory trial); base session from his Shiva God Helmet software
First run of Murphy's 'double session': the 40-min God Helmet session (chirp over the right temporal lobe, then the amygdala signal over both sides), repeated unchanged 90 minutes later as part 2. Murphy (2018) says a few people 'would do one session and then wait 90 minutes and then do the exact same session again', and that in one unpublished laboratory trial of this design the EEG response to the second session was 'three times more robust than one session would have been alone'.
Setting: Normal God Helmet conditions: darkness and acoustic silence, eyes closed or blindfolded; relax without meditating or falling asleep. The lab ran sessions mostly between midnight and 4 am during geomagnetic quiet. A helper can press Skip if phase 1 brings fear.
Schedule: Start part 2 90 minutes after this part ends ('wait 90 minutes'), with no stimulation in between. Count both parts as one session and leave at least 7 days before the next God Helmet session (Murphy's 2013 advanced procedure: at most once a week, altered-state sessions only).
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Phase 1: chirp, right side, counter-clockwise | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping counter-clockwise around the right side, 62.5 ms per coil |
| 2 | Phase 2: amygdala burst-firing, both sides | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 62.5 ms per coil, level 0.71 |
Murphy's description (2018 interview, at 58:17, auto transcript): a few people did the God Helmet session 'using first the chirp signal over the right, making the right side more active, often with inner imagery followed by a blast of bliss', and 'they would do one session and then wait 90 minutes and then do the exact same session again'; 'in one of the trials of this session design, where two sessions are done back to back, in the laboratory', the EEG response to the second session was 'three times more robust than one session would have been alone'. No paper reporting that result was found. He does not say whether the 40- or the 60-min form was used. The 40-min form is used here as the more cautious choice: 80 min of stimulation in one evening instead of two hours (Murphy's Shiva rules say no session should run longer than 60 minutes; counted as one session, even the 40-min double runs 80 min). For the 60-min form, run murphy-gh-chirpr-amybi-60min twice with the same 90-min break; that choice is ours, not Murphy's. The 90-minute rest cannot sit inside a program (60-min limit), so the protocol is split into two identical parts; each part is the same program as murphy-gh-chirpr-amybi-40min. Murphy adds that the protocol 'has been available to people who use ... Shakti'. That fits his 2013 'advanced procedure' for the Shakti system, which may or may not be the same thing: the application page (archived January 2013) says it 'does not require any additional hardware or software', that 'a few early tests' found it to 'dramatically increase the intensity of altered state experiences', that it had 'only been tried for altered states' (not the feelgood session) and 'shouldn't be used more often than once a week'; its details went only to applicants who agreed on the application form not to disclose them, waived all claims to damages, stated that they had no psychiatric issues or damaged brain, and agreed not to repeat it after negative effects without contacting tech support; the page also rules it out with epilepsy, migraine or psychiatric medication. Murphy's Shakti software demo says the advanced procedure 'appears to make these sessions three times more effective'. That the two are the same rests only on the matching 'three times' claims (an inference). A different two-session use: in the Paranormal State episode 'Lady Vampire' (aired January 2009) an investigator 'did two sessions with a 90-minute interval between them' with the Shakti amygdala signal 'over the front-end of the temporal lobes' (Murphy's page). Phase 1 (20 min): the chirp on the four right coils only. Murphy expects it to be 'somewhat unpleasant for many people' (fear): press Skip to go to phase 2 at once, and don't make it an endurance contest. Phase 2 (20 min, abrupt switch): amygdala burst-firing on all eight coils. If anger or irritability appears during or after phase 2, do not run part 2 and do not reuse this session (Murphy's rule for it). Not for people prone to anxiety, or with epilepsy, migraine, brain injury, a psychiatric diagnosis or medication; no drugs or other mind machines; stop on any distress. Running the session twice in one evening breaks Murphy's God Helmet rule of no more than one session a week (his Shakti rule is one every 72 hours) unless the pair counts as one session. Approximations (as in murphy-gh-chirpr-amybi-40min): the 'modulated 40 Hz chirp' and amygdala 'burstx' templates are proprietary. The chirp is approximated by a decelerating sweep from 40 to 6 Hz in 3-ms points, 2.5 s on and 1.5 s off, after the frequency-modulated lab pattern Murphy relates it to; the 40 Hz modulation itself is not reproduced. The amygdala signal is approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s), then the vendor's 4 s of silence. The coil step time is unpublished (Murphy: the rotation runs 'several times per second' and each cycle 'takes a fraction of a second'), so 62.5 ms per coil (4 cycles per second on each side) is used. 'Clockwise over the left side, counter-clockwise over the right' is read with each side seen from its own side, as Murphy's coil-numbered God Helmet animations show, so both sides step top, back, bottom, front (a 2021 image caption on his session list says the right side cycles clockwise; the text and animations are followed). Murphy's software plays phase 1 '10% higher than the volume level you entered (25% by default)' and says never to set the volume above 82%, the Shiva maximum being 92%; 82 + 10 = 92, so the step is read as ten percentage points (35% against 25% at the default): phase 2 runs at 0.71 of phase 1, and the session default is 1.4 µT so that phase 2 stays near 1 µT. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012). Revised Oct 2026 after a re-check of the sources: Murphy's own words with the interview timestamp, the conditions of the 2013 procedure (altered states only, at most weekly, no extra hardware or software), the Shakti demo's 'three times' remark and the Paranormal State precedent were added, and the reason for the 40-min form and the God Helmet weekly rule were stated more exactly. The program was then synced to the revised murphy-gh-chirpr-amybi-40min (4 cycles per second instead of 2, phase 2 at 0.71 instead of 0.91 of phase 1, default 1.4 µT instead of 1 µT) and is again identical to it.
Aims at: right-temporal-pole, right-superior-temporal-gyrus-posterior, right-amygdala, left-amygdala (field on the brain)
Sources:Murphy & Balbin, God Helmet interview 2018 (58:17, the 90-minute repeat); Wayback copy of the Shakti 'advanced procedure' application (2013); Murphy, Shakti software demo (advanced procedure 'three times more effective', 3:38); Murphy, Paranormal State and Shakti (two sessions 90 minutes apart); List of Paranormal State episodes ('Lady Vampire', aired 26 January 2009); Murphy, Shiva demo: Session lengths (no session longer than 60 min); Murphy, God Helmet 2-stage session using chirp and amygdala signals; Murphy, God Helmet session list; Murphy, The (Shiva) God Helmet (rotation 'several times per second'); Murphy, God Helmet animation, right side (coils 1-4); Murphy, God Helmet animation, left side (coils 5-8); Murphy, What to do during God Helmet sessions; Murphy, God Helmet schedule; Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet double session, part 2 of 2 (same session, 90 min later)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.4 µT
murphy-gh-double-session-part-2, layout: custom, Todd Murphy (2018 interview; he cites one unpublished laboratory trial); base session from his Shiva God Helmet software
Second run of Murphy's 'double session': the identical 40-min God Helmet session (chirp over the right temporal lobe, then the amygdala signal over both sides), started 90 minutes after part 1 ended. Murphy (2018) reports that in one unpublished laboratory trial of this design the EEG response to the second session was 'three times more robust than one session would have been alone'.
Setting: Same room, posture and intensity as part 1: darkness and acoustic silence, eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip if phase 1 brings fear.
Schedule: Only after part 1, with a 90-minute rest ('wait 90 minutes') and no stimulation in between. Count both parts as one session and leave at least 7 days before the next God Helmet session (Murphy's 2013 advanced procedure: at most once a week, altered-state sessions only).
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Phase 1: chirp, right side, counter-clockwise | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping counter-clockwise around the right side, 62.5 ms per coil |
| 2 | Phase 2: amygdala burst-firing, both sides | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 62.5 ms per coil, level 0.71 |
This part is identical to part 1 and to murphy-gh-chirpr-amybi-40min; the 90-minute rest between the two runs cannot sit inside a program (60-min limit). Murphy (2018 interview, at 58:17): 'wait 90 minutes and then do the exact same session again'; he reports that in one laboratory trial of this design the EEG response to the second session was 'three times more robust' (unpublished; no paper found). Do not run part 2 if part 1 brought anger or irritability (Murphy: never reuse this session then), fear that has not settled, or if you feel unwell. Phase 1 (20 min): the chirp on the four right coils only, 'somewhat unpleasant for many people' (Murphy); press Skip to go to phase 2 and don't make it an endurance contest. Phase 2 (20 min, abrupt switch): amygdala burst-firing on all eight coils. Not for people prone to anxiety, or with epilepsy, migraine, brain injury, a psychiatric diagnosis or medication; no drugs or other mind machines; stop on any distress. Running the session twice in one evening breaks Murphy's God Helmet rule of no more than one session a week (his Shakti rule is one every 72 hours) unless the pair counts as one session. His 2013 'advanced procedure' for Shakti, which may or may not be the same thing (an inference from the matching 'three times' claims), had only been tried for altered states, was not to be used more than once a week, needed no extra hardware or software, and was released only to applicants who agreed on the application form not to disclose its details, waived all claims to damages, stated that they had no psychiatric issues, and agreed not to repeat it after negative effects without contacting tech support; his Shakti software demo says it 'appears to make these sessions three times more effective'. A different two-session use: in the Paranormal State episode 'Lady Vampire' (aired January 2009) an investigator 'did two sessions with a 90-minute interval between them' with the Shakti amygdala signal 'over the front-end of the temporal lobes' (Murphy's page). Approximations (as in part 1): the proprietary 'modulated 40 Hz chirp' is approximated by a decelerating 40 to 6 Hz sweep in 3-ms points (2.5 s on, 1.5 s off; the 40 Hz modulation is not reproduced) and the amygdala 'burstx' template by the built-in accelerating burst (230 points of 3 ms, then 4 s of silence); 62.5 ms per coil (4 cycles per second on each side) stands in for the unpublished step time (Murphy: 'several times per second'); 'clockwise over the left, counter-clockwise over the right' is read with each side seen from its own side, as Murphy's God Helmet animations show (top, back, bottom, front on both sides); phase 2 runs at 0.71 of phase 1 because the software's phase-1 boost of '10%' is read as ten percentage points (35% against 25% at the default; 82% maximum setting + 10 = the 92% ceiling), with the default at 1.4 µT so that phase 2 stays near 1 µT. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012). Revised Oct 2026 after a re-check of the sources: Murphy's own words with the interview timestamp, the conditions of the 2013 procedure (altered states only, at most weekly, no extra hardware or software), the Shakti demo's 'three times' remark and the Paranormal State precedent were added, and the God Helmet weekly rule was stated more exactly. The program was then synced to the revised murphy-gh-chirpr-amybi-40min (4 cycles per second instead of 2, phase 2 at 0.71 instead of 0.91 of phase 1, default 1.4 µT instead of 1 µT) and is again identical to it and to part 1.
Aims at: right-temporal-pole, right-superior-temporal-gyrus-posterior, right-amygdala, left-amygdala (field on the brain)
Sources:Murphy & Balbin, God Helmet interview 2018 (58:17, the 90-minute repeat); Wayback copy of the Shakti 'advanced procedure' application (2013); Murphy, Shakti software demo (advanced procedure 'three times more effective', 3:38); Murphy, Paranormal State and Shakti (two sessions 90 minutes apart); List of Paranormal State episodes ('Lady Vampire', aired 26 January 2009); Murphy, Shiva demo: Session lengths (no session longer than 60 min); Murphy, God Helmet 2-stage session using chirp and amygdala signals; Murphy, God Helmet session list; Murphy, The (Shiva) God Helmet (rotation 'several times per second'); Murphy, God Helmet animation, right side (coils 1-4); Murphy, God Helmet animation, left side (coils 5-8); Murphy, What to do during God Helmet sessions; Murphy, God Helmet schedule; Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: hippocampus both sides, then amygdala left (40 min)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-hippbi-amyl-40min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the hippocampal 'LTP' signal over both temporal lobes, then the amygdala burst-firing signal over the left temporal lobe only. The vendor states phase 2 aims at a sense of presence, elation, joy, inner imagery and love; 40-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: at most weekly, never on consecutive days; a series of up to 6 sessions, then a 21-day break; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal LTP, both sides cycling | 20 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Amygdala burst-firing, left side cycling | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
40-minute version (20 + 20 min, switching abruptly); the vendor also offers a 60-minute version (murphy-gh-hippbi-amyl-60min). The vendor page says 'each phase is 40 minutes', evidently a typo for 20. Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The hippocampal 'LTP' file is proprietary; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s), then the vendor's standard 4-s silence; the burst count is a choice, and 0.5-ms points replace the vendor's 3-ms points because 100 Hz pulses need them. The amygdala 'burstx' file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) with 230 points, the point count of the published lab burst-firing pattern (which used 4-ms points; Ryczko & Persinger 2002), on the vendor's standard 3-ms points, so 0.69 s, close to the 'about 0.7 s' bursts Persinger's lab reported at 1 µT (Persinger, Hoang & Baker-Price 2009); then the 4-s silence: about 9 s of field per minute (the vendor states 9.6 s). 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG); the vendor's own figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). Murphy reports that fear or anxiety in phase 1 'can be a sign that the second phase will be especially effective', but anger or 'unreasonable restlessness' in phase 1 means stop; anger or a 'racing mind' in phase 2 means stop and never reuse this session (the vendor blames the left hippocampus 'spilling over' into the left amygdala). Not for people prone to anger. The vendor reports headache or pressure in about 2% with the hippocampal signal; if so, lower the intensity by one third. Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, left-amygdala (field on the brain)
Sources:Murphy, Hippocampus and Amygdala God Helmet Stimulation; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, God Helmet schedule; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Larson & Lynch 1986, Science (theta-burst timing); Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: hippocampus both sides, then amygdala left (60 min)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-hippbi-amyl-60min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the hippocampal 'LTP' signal over both temporal lobes, then the amygdala burst-firing signal over the left temporal lobe only. The vendor states phase 2 aims at a sense of presence, elation, joy, inner imagery and love; 60-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: God Helmet sessions at most weekly, up to 6, then a 21-day break; for 60-minute sessions the Shiva pages say weekly or every two weeks and the Shakti pages at most every 3 weeks (the longer gap is the cautious choice). Never on consecutive days; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal LTP, both sides cycling | 30 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Amygdala burst-firing, left side cycling | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
60-minute version (30 + 30 min, switching abruptly); the vendor also offers a 40-minute version (murphy-gh-hippbi-amyl-40min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The hippocampal 'LTP' file is proprietary; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s), then the vendor's standard 4-s silence; the burst count is a choice, and 0.5-ms points replace the vendor's 3-ms points because 100 Hz pulses need them. The amygdala 'burstx' file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) with 230 points, the point count of the published lab burst-firing pattern (which used 4-ms points; Ryczko & Persinger 2002), on the vendor's standard 3-ms points, so 0.69 s, close to the 'about 0.7 s' bursts Persinger's lab reported at 1 µT (Persinger, Hoang & Baker-Price 2009); then the 4-s silence: about 9 s of field per minute (the vendor states 9.6 s). 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG); the vendor's own figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). Murphy reports that fear or anxiety in phase 1 'can be a sign that the second phase will be especially effective', but anger or 'unreasonable restlessness' in phase 1 means stop; anger or a 'racing mind' in phase 2 means stop and never reuse this session (the vendor blames the left hippocampus 'spilling over' into the left amygdala). Not for people prone to anger. The vendor reports headache or pressure in about 2% with the hippocampal signal; if so, lower the intensity by one third. Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, left-amygdala (field on the brain)
Sources:Murphy, Hippocampus and Amygdala God Helmet Stimulation; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, God Helmet schedule; Murphy, Shiva demo: Session lengths; Murphy, Shakti demo: How long should sessions be; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Larson & Lynch 1986, Science (theta-burst timing); Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: modulated 40 Hz both sides, then amygdala left (40 min)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-mod40bi-amyl-40min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the 'modulated 40 Hz' (binding factor) signal over both temporal lobes, then the amygdala burst-firing signal over the left temporal lobe. The vendor states it works like the chirp version (presence, elation, joy, imagery) but is 'more likely to elicit psychic phenomena' as an undertone; 40-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: at most weekly, never on consecutive days; a series of up to 6 sessions, then a 21-day break; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides cycling | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Amygdala burst-firing, left side cycling | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
40-minute version (20 + 20 min, switching abruptly); the vendor also offers a 60-minute version (murphy-gh-mod40bi-amyl-60min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The 'modulated 40 Hz' file is proprietary; the vendor calls it a signal 'almost in sync with the brain's own binding factor, but not quite' and, on its Shakti pages, a 'constant tone'. It is approximated by a continuous 40 Hz carrier whose phase swings up to 3 rad ahead of and behind a steady 40 Hz every 2 s (38.5-41.5 Hz). The amygdala 'burstx' file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) with 230 points, the point count of the published lab burst-firing pattern (which used 4-ms points; Ryczko & Persinger 2002), on the vendor's standard 3-ms points, so 0.69 s, close to the 'about 0.7 s' bursts Persinger's lab reported at 1 µT (Persinger, Hoang & Baker-Price 2009); then the 4-s silence: about 9 s of field per minute (the vendor states 9.6 s). 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG), and the vendor's '10mG' calibration for the modulated 40 Hz signal; the vendor's other figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). The vendor marks this session experimental: if anger appears during or after it, never reuse it. Not for people prone to anger. Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Murphy, The God Helmet applies one signal after another (modulated 40 Hz both, then amygdala left); Murphy, Modulated 40 Hz signal for the God Helmet; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, God Helmet schedule; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: modulated 40 Hz both sides, then amygdala left (60 min)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-mod40bi-amyl-60min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the 'modulated 40 Hz' (binding factor) signal over both temporal lobes, then the amygdala burst-firing signal over the left temporal lobe. The vendor states it works like the chirp version (presence, elation, joy, imagery) but is 'more likely to elicit psychic phenomena' as an undertone; 60-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: God Helmet sessions at most weekly, up to 6, then a 21-day break; for 60-minute sessions the Shiva pages say weekly or every two weeks and the Shakti pages at most every 3 weeks (the longer gap is the cautious choice). Never on consecutive days; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides cycling | 30 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Amygdala burst-firing, left side cycling | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
60-minute version (30 + 30 min, switching abruptly); the vendor also offers a 40-minute version (murphy-gh-mod40bi-amyl-40min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The 'modulated 40 Hz' file is proprietary; the vendor calls it a signal 'almost in sync with the brain's own binding factor, but not quite' and, on its Shakti pages, a 'constant tone'. It is approximated by a continuous 40 Hz carrier whose phase swings up to 3 rad ahead of and behind a steady 40 Hz every 2 s (38.5-41.5 Hz). The amygdala 'burstx' file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) with 230 points, the point count of the published lab burst-firing pattern (which used 4-ms points; Ryczko & Persinger 2002), on the vendor's standard 3-ms points, so 0.69 s, close to the 'about 0.7 s' bursts Persinger's lab reported at 1 µT (Persinger, Hoang & Baker-Price 2009); then the 4-s silence: about 9 s of field per minute (the vendor states 9.6 s). 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG), and the vendor's '10mG' calibration for the modulated 40 Hz signal; the vendor's other figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). The vendor marks this session experimental: if anger appears during or after it, never reuse it. Not for people prone to anger. Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Murphy, The God Helmet applies one signal after another (modulated 40 Hz both, then amygdala left); Murphy, Modulated 40 Hz signal for the God Helmet; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, God Helmet schedule; Murphy, Shiva demo: Session lengths; Murphy, Shakti demo: How long should sessions be; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Retro Shiva: Persinger Session run clockwise (Murphy's reading)Anecdote: Personal reports only43 min, 1.0 µT
murphy-shiva-retro-clockwise, layout: custom, Todd Murphy (Shiva 'Persinger Session'); 'Retro Shiva' after an unsigned practitioner's testimonial on Murphy's Shiva page (by 2011), placed with the page's link to the DeepFocus Institute, read as clockwise running by Murphy (2013), who credits the Swiss DeepFocus group (Rolf Boesch)
The Shiva 'Persinger Session' (seven applications of a 40 Hz 'chirp' with silences between them, about 43 min) run clockwise instead of counter-clockwise, which is how Murphy reads the 'Retro Shiva' of a practitioner's testimonial. The practitioner, who works mainly with healers and energy workers, tried it for people 'not able to come out of their energy state'; Murphy says the Swiss DeepFocus group found that running Shiva 'backwards' can ease 'the mental fatigue that can come from too much spiritual work'.
Setting: Dark, quiet room, eyes closed, seated or lying relaxed. For the Persinger Session Murphy advises against spiritual practice or psychic exercises during the session ('daydreaming is better than meditation') and suggests geomagnetically quiet days for effects during the session.
Schedule: At most once a week, like the counter-clockwise Persinger Session. Murphy says the Swiss averaged 4 sessions per subject; their German report speaks of about 100 people with five or more sessions.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp 1/7 clockwise, 10-20 ms per coil, then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Chirp 2/7 clockwise, 12-22 ms per coil, then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating clockwise around all coils, 12 → 22 ms per coil (+2 ms steps) |
| 3 | Chirp 3/7 clockwise, 14-24 ms per coil, then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating clockwise around all coils, 14 → 24 ms per coil (+2 ms steps) |
| 4 | Chirp 4/7 clockwise, 16-26 ms per coil, then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating clockwise around all coils, 16 → 26 ms per coil (+2 ms steps) |
| 5 | Chirp 5/7 clockwise, 18-28 ms per coil, then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating clockwise around all coils, 18 → 28 ms per coil (+2 ms steps) |
| 6 | Chirp 6/7 clockwise, 20-30 ms per coil, then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating clockwise around all coils, 20 → 30 ms per coil (+2 ms steps) |
| 7 | Chirp 7/7 clockwise, 20-160 ms per coil (+20 ms, Octopus ramp) | 5 | Sweep 40 → 40 Hz over 300 s | Rotating clockwise around all coils, 20 → 160 ms per coil (+20 ms steps) |
The Persinger Session (the timing of murphy-shiva-persinger-session) run clockwise. Where the idea comes from: an unsigned testimonial on Murphy's Shiva page, archived in 2011, sits in one block that ends with the page's link to 'Research at the DeepFocus Institute', so it is attributed to the DeepFocus practitioner (it promises 'a article about this topic'); it says 'I tried a new application with Shiva: The "Retro Shiva" in which I turn the cap and apply the 40hz Chirp Signal (Persinger session)'; later versions of the page insert '(around)' after 'turn the cap', and the testimonial never mentions clockwise rotation. Murphy's 2013 blog reads it as running Shiva 'backwards', 'using clockwise rotation around the head instead of the usual counterclockwise configuration', and credits the Swiss group. The clockwise reading is Murphy's, not the user's words, and it is geometrically open: turning a ring cap 180 degrees about the vertical axis keeps the counter-clockwise stepping and only moves the first coil to the back of the head (that reading is simply murphy-shiva-persinger-session started at O2); only a mirror-image fitting (the cap flipped over) or a reversed channel order steps clockwise. This file follows Murphy's clockwise reading. Coils sit on Murphy's Shiva ring, one coil per site instead of Shiva's coil pairs, and step clockwise seen from above, starting at Fp2, the mirror image of Shiva's usual first coil over the left frontal area (a project choice): Fp2, FT8, TP8, O2, O1, TP7, FT7, Fp1 (front to back on the right, back to front on the left). Murphy gives only 'seven unique applications of the chirp signal with silent sections in between ... about 43 minutes'; no source gives the length of each application or silence, so the split into 7 x 5 min with 80-s silences is a project choice. The chirp file is proprietary. Murphy says it 'does not change in tone, but rather has longer and longer gaps between sections of the signal as they travel around your head', so a steady 40 Hz carrier is used and the coil-to-coil timing supplies the gaps; the 40 Hz modulation of the original is not reproduced. Each block has its own dwell ramp (a project assignment): blocks 1-6 step +2 ms per coil, from Murphy's lecture example of 10 to 20 ms up to 20 to 30 ms (six values, so these ramps restart every six coils instead of lining up with the eight positions); block 7 uses the lab Octopus ramp, +20 ms per coil from 20 to 160 ms, then reset (Richards 2002). Murphy's other statements of the Shiva speed ('around 9 times per second'; in 2007 'around the same speed' as the 25-ms binding factor) do not match the lecture example, and the real Shiva timing tables are unpublished. The lab Octopus used about 1-10 µT; this file defaults to 1 µT, and the vendor advises starting at 50% volume and raising it over sessions. Persinger's lab reported more left-hemisphere power with clockwise and more right-hemisphere power with counter-clockwise rotation (Booth, Koren & Persinger 2008, not independently replicated); Murphy's suggestion that running Shiva 'backwards' may enhance 'left-hemispheric spiritual practices (like those that rely on prayer and work towards joy and light)' goes beyond that result. The reported benefits are testimonials: the practitioner says the clients felt clearer and more structured, and one Kriya-yoga user found the light of his practice 'stronger' with clockwise sessions (Murphy: 'only one case'). Murphy's blog calls the Swiss work 'an independent replication' led by 'Dr. Rolf Bosch'; the German report behind it ('Elektronische Erleuchtung?', Rolf Boesch, Institut für mediale Entwicklung, archived July 2011) is a two-page testimonial of 400 test sessions in Germany and Switzerland, mostly with the Persinger Session, that asserts EEG findings without data, methods or controls and mentions neither clockwise nor 'retro' use. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Murphy calls counter-clockwise 'usually the more pleasant direction': if the clockwise run feels unpleasant, stop. Not for people with epilepsy; stop at once if distressed. Revised Oct 2026 after a re-check of the sources: the testimonial's original wording ('turn the cap', with '(around)' added later), its unsigned author (attributed by the page layout to the DeepFocus practitioner) and the 180-degree-turn alternative were added, and the clockwise reading is now credited to Murphy rather than to the Swiss report; the phase names were shortened; the timing and rotation are unchanged.
Aims at: vmpfc, left-temporal-pole, right-temporal-pole, left-tpj, right-tpj, primary-visual-cortex (field on the brain)
Sources:Shiva main page (Retro Shiva testimonial, current wording); Wayback copy of the Shiva main page, 2011 (testimonial, original wording); Murphy, Shiva neural stimulation notes (2013 blog: 'backwards', clockwise); Boesch, Elektronische Erleuchtung? (DeepFocus report, German original, Wayback 2011); Shiva & 'Electronic Enlightenment', a Swiss report (English); Murphy, Shiva demo: Sessions used in lab experiments (Persinger Session); Murphy, Shiva demo: Session lengths; Murphy, Shiva demo: Magnetic coil locations; Murphy, Shiva demo: Staying safe with Shiva; Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Understanding Shiva neural stimulation ('around 9 times per second'); Wayback copy of the Shiva main page, 2007 ('around the same speed'); Murphy, Psychic Skills & Miracles lecture; Shiva demo: Volume; Richards, Koren & Persinger 2002, Percept Mot Skills 95:671; Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti 60-min bilateral session: amygdala signal (fast alternation)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-60min-bilateral-amygdala-fast, layout: custom, Todd Murphy (8 Coil Shakti)
Murphy's single 60-minute session 'to try to create an intense experience in ONE session': the amygdala burst-firing signal, his best-tested choice, over both temporal lobes on the 8 Coil Shakti crosses, with the two coil pairs taking turns every half-second (the vendor's fast alternation).
Setting: Blindfold, earplugs or a sound-blocking headset (the vendor: 'substituting white noise won't work'), no interruptions and no plans afterwards. Murphy: 'For the first twenty minutes, not much happens.'
Schedule: A one-off for a single intense experience, not a series (the vendor: repeating it 'might eventually elicit an unpleasant experience'); at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala bursts, both sides, pairs take turns every 0.5 s | 60 | Point table of 1730, 3 ms per point, 3810 ms pause + Point table of 1667, 3 ms per point, 3999 ms pause | All coils together, weighted + All coils together, weighted |
Four coils in a cross over each temporal lobe, as in the 8 Coil Shakti chart: top C5/C6, bottom T9/T10, front FT7/FT8, back TP7/TP8. One stereo channel drives the top and bottom coils of both crosses, the other the front and back coils; the vendor says single long sessions 'should be bilateral'. The vendor's optional fast mode switches channels 'twice each second' and, it says, 'emerged as the most effective' in the original developers' lab tests; here (two tracks, the signal gated in point tables) the top and bottom coils and the front and back coils take turns every 0.5 s. So that the half-second clock and the signal repeat together, each burst comes every 4.5 s (latency 3.8 s instead of about 4 s), and the bursts alternately start on the top/bottom and on the front/back pair. murphy-shakti-60min-bilateral-amygdala-slow has the standard mode. Coil polarity follows the vendor's chart, one + and one − coil in each pair: on the left cross the top (C5) and front (FT7) coils are − and the bottom (T9) and back (TP7) coils +; on the right cross the top (C6) and front (FT8) coils are + and the bottom (T10) and back (TP8) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. The amygdala ('burstx') file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points at the vendor's standard 3-ms points (0.69 s). An independent randomized, sham-controlled study of the 8 Coil Shakti amygdala signal over both temporal lobes (30 min) found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Persinger's lab reported more aggression and less trust after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, Shakti demo: Two ways to use Shakti; Murphy, Shakti demo: 60 minute sessions; Murphy, Shakti demo: Both temporal lobes; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: 8 coil placement; Murphy, Shakti demo: Using the 8 Coil Shakti over the temporal lobes; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (about 9.6 s of field per minute); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Gendle & McGrath 2012, Percept Mot Skills 114:217; Granqvist et al. 2005, Neurosci Lett 379:1; Gillis & Persinger 1993, Percept Mot Skills 76:168; Murphy, Shakti demo: Overcoming dud sessions (60-min sessions every 21 days)
Shakti 60-min bilateral session: amygdala signal (slow alternation)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-60min-bilateral-amygdala-slow, layout: custom, Todd Murphy (8 Coil Shakti)
Murphy's single 60-minute session 'to try to create an intense experience in ONE session': the amygdala burst-firing signal, his best-tested choice, over both temporal lobes on the 8 Coil Shakti crosses, switching between the two coil pairs after each burst.
Setting: Blindfold, earplugs or a sound-blocking headset (the vendor: 'substituting white noise won't work'), no interruptions and no plans afterwards. Murphy: 'For the first twenty minutes, not much happens.'
Schedule: A one-off for a single intense experience, not a series (the vendor: repeating it 'might eventually elicit an unpleasant experience'); at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala bursts, both sides, pairs switch after each burst | 60 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.69 s off, 3 ms points + Point table of 1793, 3 ms per point, 4001 ms pause | All coils together, weighted + All coils together, weighted |
Four coils in a cross over each temporal lobe, as in the 8 Coil Shakti chart: top C5/C6, bottom T9/T10, front FT7/FT8, back TP7/TP8. One stereo channel drives the top and bottom coils of both crosses, the other the front and back coils; the vendor says single long sessions 'should be bilateral'. In its standard ('slow') mode the Shakti switches channels 'after one instance of the signal', so here (two tracks) one burst plays on the top and bottom coils and the next on the front and back coils; murphy-shakti-60min-bilateral-amygdala-fast has the twice-a-second option. Coil polarity follows the vendor's chart, one + and one − coil in each pair: on the left cross the top (C5) and front (FT7) coils are − and the bottom (T9) and back (TP7) coils +; on the right cross the top (C6) and front (FT8) coils are + and the bottom (T10) and back (TP8) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. The amygdala ('burstx') file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points at the vendor's standard 3-ms points (0.69 s), followed by the vendor's standard latency of about 4 s. An independent randomized, sham-controlled study of the 8 Coil Shakti amygdala signal over both temporal lobes (30 min) found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Persinger's lab reported more aggression and less trust after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, Shakti demo: Two ways to use Shakti; Murphy, Shakti demo: 60 minute sessions; Murphy, Shakti demo: Both temporal lobes; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: 8 coil placement; Murphy, Shakti demo: Using the 8 Coil Shakti over the temporal lobes; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (about 9.6 s of field per minute); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Gendle & McGrath 2012, Percept Mot Skills 114:217; Granqvist et al. 2005, Neurosci Lett 379:1; Gillis & Persinger 1993, Percept Mot Skills 76:168; Murphy, Shakti demo: Overcoming dud sessions (60-min sessions every 21 days)
Shakti 60-min bilateral session: hippocampal signal (fast alternation)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-60min-bilateral-hippocampus-fast, layout: custom, Todd Murphy (8 Coil Shakti)
Murphy's single 60-minute session 'to try to create an intense experience in ONE session': the hippocampal 'LTP' signal over both temporal lobes on the 8 Coil Shakti crosses, with the two coil pairs taking turns every half-second (the vendor's fast alternation).
Setting: Blindfold, earplugs or a sound-blocking headset (the vendor: 'substituting white noise won't work'), no interruptions and no plans afterwards. Murphy: 'For the first twenty minutes, not much happens.'
Schedule: A one-off for a single intense experience, not a series (the vendor: repeating it 'might eventually elicit an unpleasant experience'); at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal bursts, both sides, pairs take turns every 0.5 s | 60 | Point table of 1697, 3 ms per point, 3909 ms pause + Point table of 1635, 3 ms per point, 4095 ms pause | All coils together, weighted + All coils together, weighted |
Four coils in a cross over each temporal lobe, as in the 8 Coil Shakti chart: top C5/C6, bottom T9/T10, front FT7/FT8, back TP7/TP8. One stereo channel drives the top and bottom coils of both crosses, the other the front and back coils; the vendor says single long sessions 'should be bilateral'. The vendor's optional fast mode switches channels 'twice each second' and, it says, 'emerged as the most effective' in the original developers' lab tests; here (two tracks, the signal gated in point tables) the top and bottom coils and the front and back coils take turns every 0.5 s. So that the half-second clock and the signal repeat together, each train comes every 4.5 s (latency 3.76 s instead of about 4 s), and the trains alternately start on the top/bottom and on the front/back pair. murphy-shakti-60min-bilateral-hippocampus-slow has the standard mode. A biphasic pulse is never split between the pairs. Coil polarity follows the vendor's chart, one + and one − coil in each pair: on the left cross the top (C5) and front (FT7) coils are − and the bottom (T9) and back (TP7) coils +; on the right cross the top (C6) and front (FT8) coils are + and the bottom (T10) and back (TP8) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. The hippocampal 'LTP' file is proprietary; it is approximated by a point table in the vendor's standard scheme (3-ms points): four theta bursts, each of four biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal). Anxiety during a hippocampal session is, for Murphy, a sign that it has run too long; stop then. The vendor reports headache or pressure in about 2% with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Two ways to use Shakti; Murphy, Shakti demo: 60 minute sessions; Murphy, Shakti demo: Both temporal lobes; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: 8 coil placement; Murphy, Shakti demo: Using the 8 Coil Shakti over the temporal lobes; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (about 9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, Shakti demo: Overcoming dud sessions (60-min sessions every 21 days)
Shakti 60-min bilateral session: hippocampal signal (slow alternation)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-60min-bilateral-hippocampus-slow, layout: custom, Todd Murphy (8 Coil Shakti)
Murphy's single 60-minute session 'to try to create an intense experience in ONE session': the hippocampal 'LTP' signal over both temporal lobes on the 8 Coil Shakti crosses, switching between the two coil pairs after each train of bursts.
Setting: Blindfold, earplugs or a sound-blocking headset (the vendor: 'substituting white noise won't work'), no interruptions and no plans afterwards. Murphy: 'For the first twenty minutes, not much happens.'
Schedule: A one-off for a single intense experience, not a series (the vendor: repeating it 'might eventually elicit an unpleasant experience'); at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal bursts, both sides, pairs switch after each train | 60 | Point table of 248, 3 ms per point, 8744 ms pause + Point table of 1829, 3 ms per point, 4001 ms pause | All coils together, weighted + All coils together, weighted |
Four coils in a cross over each temporal lobe, as in the 8 Coil Shakti chart: top C5/C6, bottom T9/T10, front FT7/FT8, back TP7/TP8. One stereo channel drives the top and bottom coils of both crosses, the other the front and back coils; the vendor says single long sessions 'should be bilateral'. In its standard ('slow') mode the Shakti switches channels 'after one instance of the signal', so here (two tracks) one train of bursts plays on the top and bottom coils and the next on the front and back coils; murphy-shakti-60min-bilateral-hippocampus-fast has the twice-a-second option. Coil polarity follows the vendor's chart, one + and one − coil in each pair: on the left cross the top (C5) and front (FT7) coils are − and the bottom (T9) and back (TP7) coils +; on the right cross the top (C6) and front (FT8) coils are + and the bottom (T10) and back (TP8) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. The hippocampal 'LTP' file is proprietary; it is approximated by a point table in the vendor's standard scheme (3-ms points, about 4 s of latency): four theta bursts, each of four biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal). Anxiety during a hippocampal session is, for Murphy, a sign that it has run too long; stop then. The vendor reports headache or pressure in about 2% with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Two ways to use Shakti; Murphy, Shakti demo: 60 minute sessions; Murphy, Shakti demo: Both temporal lobes; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: 8 coil placement; Murphy, Shakti demo: Using the 8 Coil Shakti over the temporal lobes; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (about 9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, Shakti demo: Overcoming dud sessions (60-min sessions every 21 days)
Shakti 60-min bilateral session: modulated 40 Hz (fast alternation)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-60min-bilateral-mod40-fast, layout: custom, Todd Murphy (8 Coil Shakti)
Murphy's single 60-minute session 'to try to create an intense experience in ONE session': the modulated 40 Hz signal over both temporal lobes on the 8 Coil Shakti crosses, with the two coil pairs taking turns every half-second (the vendor's fast alternation).
Setting: Blindfold, earplugs or a sound-blocking headset (the vendor: 'substituting white noise won't work'), no interruptions and no plans afterwards. Murphy: 'For the first twenty minutes, not much happens.'
Schedule: A one-off for a single intense experience, not a series (the vendor: repeating it 'might eventually elicit an unpleasant experience'); at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides, pairs take turns every 0.5 s | 60 | Point table of 1500, 1 ms per point, 500 ms pause + Point table of 2000, 1 ms per point | All coils together, weighted + All coils together, weighted |
Four coils in a cross over each temporal lobe, as in the 8 Coil Shakti chart: top C5/C6, bottom T9/T10, front FT7/FT8, back TP7/TP8. One stereo channel drives the top and bottom coils of both crosses, the other the front and back coils; the vendor says single long sessions 'should be bilateral'. The vendor's optional fast mode switches channels 'twice each second' and, it says, 'emerged as the most effective' in the original developers' lab tests; here (two tracks) the top and bottom coils and the front and back coils take turns every 0.5 s. The standard ('slow') mode switches after each instance of the signal; a constant tone has no instances, so only the fast mode is built. Coil polarity follows the vendor's chart, one + and one − coil in each pair: on the left cross the top (C5) and front (FT7) coils are − and the bottom (T9) and back (TP7) coils +; on the right cross the top (C6) and front (FT8) coils are + and the bottom (T10) and back (TP8) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. The 'modulated 40 Hz' file is proprietary; the vendor describes a constant tone, calibrated at 10 mG (1 µT, the default here). It is approximated by a phase-modulated sine, a 40 Hz carrier whose phase swings up to 3 rad either way every 2 s (about 38.5-41.5 Hz), stored as 1-ms point tables so that it can be switched between the pairs. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-temporal-pole, right-temporal-pole (field on the brain)
Sources:Murphy, Shakti demo: Two ways to use Shakti; Murphy, Shakti demo: 60 minute sessions; Murphy, Shakti demo: Both temporal lobes; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: 8 coil placement; Murphy, Shakti demo: Using the 8 Coil Shakti over the temporal lobes; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal (constant tone, 10 mG); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, Shakti demo: Overcoming dud sessions (60-min sessions every 21 days)
Shiva Special Architecture (left amygdala + right hippocampus, 60 min)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shiva-special-architecture, layout: custom, Todd Murphy, Shiva software (new in Shiva; Murphy: not tested in laboratory experiments)
Shiva's 'Special Architecture' session: the amygdala signal on the left half of the ring and the hippocampal signal on the right half at the same time, both stepping back-to-front. Murphy states it may 'facilitate experiences commonly called religious or mystic' when used for 60 minutes in sensory deprivation, and that it has not been tested in laboratory experiments.
Setting: 60 min in darkness and silence (sensory deprivation), eyes closed, relaxed without meditating or falling asleep.
Schedule: Shiva's rule for 60-min sessions: once a week or once every two weeks, with no other sessions in between; never longer than 60 min.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Left amygdala + right hippocampus, both back-to-front | 60 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 3946 ms pause | Stepping clockwise around the left side, 10 → 20 ms per coil (+2 ms steps) + Stepping counter-clockwise around the right side, 10 → 20 ms per coil (+2 ms steps) |
The four left coils (Fp1, FT7, TP7, O1) carry the amygdala signal stepping O1 → TP7 → FT7 → Fp1 (clockwise seen from above) and the four right coils (O2, TP8, FT8, Fp2) the hippocampal signal stepping O2 → TP8 → FT8 → Fp2 (counter-clockwise), 10, 12 … 20 ms per coil (Murphy's lecture example), so both run back-to-front. Murphy's page: 'the hippocampal signal, applied over the right runs counterclockwise, but the amygdala signal, applied over the left hemisphere, is applied in the opposite direction', so that 'both run back to front'. Both sides start at the back coils (O1, O2) and step forward in mirror image (the placement order is the counter-clockwise ring started at O1 only to set those start coils; how Shiva aligns the two sides is unpublished). Murphy says this is the only Shiva session that works this way. He pairs the hippocampus ('with its cognitive functions, and positive effects from the right side') with the amygdala ('an emotional structure with positive effects from the left, and negative ones from the right'), each chosen 'for its positive effects over that side', while each signal 'alters the binding factor' (vendor claim, extended from small Persinger-lab studies). One coil per site instead of Shiva's coil pairs. Both signal files are proprietary: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 → 30 Hz), 230 points × 3 ms (0.69 s, the published burst-firing length at the vendor's standard 3-ms points); the hippocampal 'LTP' file by a train of 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), at 3-ms points; these are the same stand-ins as in the Shiva amygdala and hippocampus simple sessions. The two start together every 4.69 s, each followed by about 4 s of silence. The 10-20 ms ramp is Murphy's illustrative lecture example (six values over four coils per side here, so the ramp does not line up with one lap of a side): his other statements of the Shiva speed ('around 9 times per second', about 14 ms per coil on the full 8-coil ring by our arithmetic; in 2007 'around the same speed' as the 25-ms binding factor) do not agree with it, and the real Shiva timing tables are unpublished. Shiva lists 20, 30 and 60-min versions; this file runs the 60 min Murphy names for in-session effects; for shorter sessions before practice see murphy-shiva-special-architecture-30. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Left-handed or ambidextrous users should start with short sessions and stop on fear, irritability, sadness or anxiety; not for people with epilepsy; stop at once if distressed. Murphy asks users to report unpleasant sessions. He reports headaches in about 2% of users of an earlier version of the technology, mostly with hippocampal signals, and advises lowering the intensity by a third. Re-checked Oct 2026 against the vendor page: the directions, the back-to-front stepping, the 20/30/60-min options and the 'not tested in laboratory experiments' statement are confirmed; the page's direction quote and the note on the conflicting speed statements were added, the hippocampus/amygdala rationale is now quoted in the page's own words, the schedule follows the session-length page, and the program is unchanged.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shiva demo: Simultaneous amygdala & hippocampus signals; Murphy, Shiva demo: Session lengths and schedules; Murphy, Shiva testimonials; Murphy, Shiva / Octopus and the 40 Hz Binding Factor; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Understanding Shiva neural stimulation ('around 9 times per second'); Wayback copy of the Shiva main page, 2007 ('around the same speed'); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Sensed presence 18
7 Hz sine at 1-20 ms point durations, right hemisphere (Booth 2003)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-7hz-point-duration-2003, layout: custom, Booth, Koren & Persinger (Laurentian University), 2003 point-duration study, n = 6
Booth, Koren & Persinger's (2003) test of point ('pixel') duration alone: a 7 Hz sine over the right hemisphere, played with points of 1, 3, 5, 7, 10 and 20 ms for 5 min each. The lab reported the most left-sided sensed presences and occipital EEG spikes at 1 and 10 ms, in six subjects.
Setting: Seated in a quiet, dark room with the eyes covered; in the original, EEG was recorded over the occipital regions and presences were scored by side.
Schedule: One session per person in the original. For a self-test, use a different Latin-square order each time and compare with sham sessions (the app's Blind option).
Coils: CH5 T8, CH6 TP8, CH7 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 7 Hz sine, 1 ms points | 5 | 7 Hz sine, 1 ms points | Right side only |
| 2 | 7 Hz sine, 3 ms points | 5 | 7 Hz sine, 3 ms points | Right side only |
| 3 | 7 Hz sine, 20 ms points | 5 | 7 Hz sine, 20 ms points | Right side only |
| 4 | 7 Hz sine, 5 ms points | 5 | 7 Hz sine, 5 ms points | Right side only |
| 5 | 7 Hz sine, 10 ms points | 5 | 7 Hz sine, 10 ms points | Right side only |
| 6 | 7 Hz sine, 7 ms points | 5 | 7 Hz sine, 7 ms points | Right side only |
The abstract gives all the parameters: digital-to-analogue 7 Hz sine waves at 1, 3, 5, 7, 10 or 20 ms per point, 5 min each, 1 uT, over the right hemisphere, in a sequential counterbalanced order for six subjects (30 min in all). The six orders are not published; this file uses one row of a balanced Latin square, 1, 3, 20, 5, 10, 7 ms. For repeat sessions, reorder the phases to another row: 3-5-1-7-20-10, 5-7-3-10-1-20, 7-10-5-20-3-1, 10-20-7-1-5-3 or 20-1-10-3-7-5. The sine stays at 7 Hz and each value is held for the point duration, so at 20 ms a cycle is a staircase of about 7 steps; the lab file's exact point values are unpublished. Three right-side coils at T8, TP8 and P8 approximate 'over the right hemisphere'; the left side stays silent. Phase changes are abrupt. Note the time and side of anything you feel. Six subjects, six conditions and two separated optima is a shape chance produces easily; there is no independent replication, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on fear or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-tpj, right-angular-gyrus (field on the brain)
Sources:Booth, Koren & Persinger 2003, Increased proportions of sensed presences and occipital spikes with 1- and 10-msec. point duration of continuous 7-Hz transcerebral magnetic fields, Percept Mot Skills 97:951-952; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
8 Coil Shakti 'as seen on TV': chirp both sides, then amygdala leftClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-tv-chirpbi-amyl, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
Todd Murphy's starred 'as seen on TV' two-phase session for the 8 Coil Shakti: the modulated 40 Hz chirp over both temporal lobes for 20 min, then amygdala burst-firing over the left temporal lobe for 20 min (the 40-min run most users prefer, Murphy says). Murphy calls it the design that 'comes closest to the sessions used in the God Helmet experiments' (on two stereo channels) and links its after-effects to the left amygdala.
Setting: Darkness and acoustic silence ('not just quiet'), at night; eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark. The vendor: 'You don't have to use sensory deprivation if you're looking for after-effects.'
Schedule: Vendor: while trying sessions out, at most every 72 h; once you settle on a session, once a week; never on consecutive days. For sessions of an hour or more (the 60-min run) the demo video and the safety pages say once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions from that rule.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FTT7h, CH6 TTP9h, CH7 FTT8h, CH8 TTP10h
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both sides (right channel, 2 coils each) | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | All coils together, weighted |
| 2 | Amygdala burst-firing, left side (left channel, 4 coils) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together |
Coils as in the photos on the vendor's output pages for the left-ending sessions: six on the left and two on the right ('The left side has four coils from the left channel, and two coils from the right channel. The right side has two coils from the right stereo channel.'). The four left-channel coils form a cross over the left temporal lobe (FT7 front, C5 top, TP7 back, T9 bottom; CH1-4); the two right-channel coils on the left sit inside that cross, above-front and below-back of its centre (FTT7h and TTP9h; CH5-6), and the two on the right form the same diagonal pair over the right temporal lobe (FTT8h and TTP10h; CH7-8). The 10-5 sites are read from the photos and are an inference. Phase 1 (20 min) drives the four right-channel coils together (the right channel over both sides); phase 2 (20 min, abrupt switch) drives the four left-channel coils (the left channel over the left side only). There is no rotation, as on the two-channel Shakti. Polarity: Murphy's software demo video says of this session that 'all of the coils on the left side of the head are positive' (the package includes four extra positive coils for it), so all six left coils run as is; on the right the upper-front coil (FTT8h) runs as is and the lower-back coil (TTP10h) reversed (weight -1), as in the page's photo of the right side. The page's photo of the left side shows a mix instead (left channel: top and front -, back and bottom +; right channel: upper-front +, lower-back -); murphy-shakti8-twophase-family-hippbi-amyl and -mod40bi-amyl follow those photos. Durations: the output pages and Murphy's demo video offer 40- and 60-min runs, and the video says 'most users seem to prefer the 40-minute session, 20 minutes of each of the signals seems to be enough' (in agreement, Murphy says, with some of the laboratory work); this file is that 40-min run. The 60-min run is presumably 30 + 30 min (not stated). The rotating Shiva God Helmet versions of this design are murphy-gh-chirpbi-amyl-40min and -60min. The 'modulated 40 Hz chirp' is proprietary (Murphy relates it to the frequency-modulated Thomas pattern and describes it as the modulated 40 Hz signal with gaps that get longer, amplitude and gaps varied by a Fibonacci constant); it is approximated by a sweep slowing from 40 to 6 Hz (the end frequency is a choice), 837 points at 3 ms (2.5 s) once every 4 s, after the published FM pattern (837 points at 1 ms every 4 s; Tiller & Persinger 2002 and the Shakti use 3-ms points). The 40 Hz phase modulation and the Fibonacci amplitude changes are not reproduced. The amygdala 'burstx' signal is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points at the standard 3-ms points (0.69 s, after the published 230-point burst-firing pattern), then the standard 4-s silence. Vendor cautions: the chirp can be 'very unpleasant over the right side'; if phase 1 gets too uncomfortable, press Skip to go to phase 2, though finishing the session is advised. First test the amygdala signal on each side with 10-min test sessions. For the God Helmet version of this design Murphy advises: if anger appears during or after the session, don't use it again; not for people prone to anger. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's two-phase pages (2026): 20 + 20 min instead of 30 + 30, eight separate coils as on the output pages instead of six with two shared between the phases, and polarity from Murphy's demo video and the page's photo of the right side instead of the general coil chart. Still approximate: the coil sites and both signal templates.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Murphy, Shakti demo: output 2-phase chirp both, then amygdala left (setup photos of both sides); Murphy, Shakti demo: Two-phase sessions (as seen on TV); Murphy, Shakti Software Demo (video; coil polarity for this session, 40-min run of 20 min per signal); Murphy, Shakti demo: Modulated 40 Hz chirp signal; Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3-ms points); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Murphy, The God Helmet: chirp first and amygdala second; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
Cook & Persinger 1997: 3-min pattern screen with sham blocks (36 min)Single lab: Published by one lab or group, not independently replicated36 min, 1.0 µT
persinger-cook-1997-pattern-screen, layout: custom, Cook & Persinger 1997 (Laurentian University)
Successive 3-min blocks of different weak (1 uT) complex fields alternating with 3-min sham blocks through both temporal lobes, with the moment of any experience marked: Cook & Persinger 1997 reported that 9 of 15 volunteers signalled a sensed presence by button press this way. The paper lists no patterns, so six of the lab's later-published ones stand in.
Setting: Blindfolded, reclining in a quiet, dark room; a helper runs the program and records the clock time of each reported experience, without knowing or revealing which block is active.
Schedule: One 36-min screening session; at most once a week.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Sham block 1 | 3 | No output | All coils together |
| 2 | A: burst-firing (230 x 3 ms, every 4 s) | 3 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
| 3 | Sham block 2 | 3 | No output | All coils together |
| 4 | B: Thomas table, 3-ms points | 3 | Point table of 849, 3 ms per point, 3 ms pause | All coils together |
| 5 | Sham block 3 | 3 | No output | All coils together |
| 6 | C: 'LTP' primed burst, 1-ms points | 3 | Point table of 1000, 1 ms per point, 1 ms pause | All coils together |
| 7 | Sham block 4 | 3 | No output | All coils together |
| 8 | D: 7 Hz sine, 1-ms points | 3 | 7 Hz sine, 1 ms points | All coils together |
| 9 | Sham block 5 | 3 | No output | All coils together |
| 10 | E: reversed Thomas table, 3-ms points | 3 | Point table of 849, 3 ms per point, 3 ms pause | All coils together |
| 11 | Sham block 6 | 3 | No output | All coils together |
| 12 | F: 7 Hz sine, 10-ms points | 3 | 7 Hz sine, 10 ms points | All coils together |
Cook & Persinger exposed people to 'successive 3-min. durations of bursts of different types' of 1-uT fields 'or sham-fields' and logged a button press at each experience; trying to focus on the presence moved it or changed its location. The patterns, their number and their order were not published. Here six documented Laurentian patterns alternate with sham blocks, starting with a sham: burst-firing (built-in accelerating burst, 230 points at 3 ms once every 4 s; point values unpublished), the exact Thomas table at 3 ms, the 'LTP' primed burst (5 trains in 1 s, repeated continuously; timing after Corradini 2014 and Delparte & Persinger 2007, values reconstructed), a 7 Hz sine on 1-ms points, the reversed Thomas table, and a 7 Hz sine on 10-ms points (the two point durations Booth 2003 found most effective). The set, the order, the alternation with sham and the use of both sides (T7/TP7, T8/TP8 for 'transcerebral') are inferences; in Roll et al. 2002, with an exceptional subject not shown to be Cook's, the fields went over the right temporoparietal lobes. Have a helper start the program and keep the phase display out of sight, and note the clock time of each experience to match with the phase list afterwards. Very small n; in Cook & Persinger 2001 presences came only in people with above-average temporal-lobe-sign scores, and French 2009 found such reports tracked those scores and not the field, so expectancy alone can produce the same marks. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: left-tpj, right-tpj, left-amygdala, right-amygdala (field on the brain)
Sources:Cook & Persinger 1997, Percept Mot Skills 85:683; Cook & Persinger 2001, Percept Mot Skills 92:447; Roll, Persinger, Webster, Tiller & Cook 2002, Int J Neurosci 112:197; Tiller & Persinger 2002, Percept Mot Skills 94:26; Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (849 points at 3 ms, 2.55-s cycle); Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Corradini 2014, MA thesis, Laurentian University (LTP primed-burst file); Delparte & Persinger 2007, Int J Neurosci 117:295 ('1 s pulse of 5 trains'); Booth, Koren & Persinger 2003, Percept Mot Skills 97:951 (7 Hz, 1- and 10-ms points); French et al. 2009, Cortex 45:619; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Cook & Persinger 2001: frequency-modulated field, both hemispheres (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-cook-2001-fm-bilateral, layout: custom, Cook & Persinger 2001 (Laurentian University)
The bilateral arm of Cook & Persinger 2001: a 1-uT frequency-modulated field (here the 849-point 'Thomas' table at 3-ms points) across both hemispheres for 20 min in a darkened, quiet room. The lab reported a sensed presence in 60% of above-average temporal-lobe-sign scorers with this arm (75% with right-sided fields) and in none of the below-average scorers.
Setting: A darkened, quiet room, eyes covered, reclining; note the time and side of anything felt.
Schedule: One 20-min exposure; at most once a week. Compare blind with persinger-cook-2001-fm-right and a sham (the app's Blind option).
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | FM (Thomas table, 3-ms points), both hemispheres | 20 | Point table of 849, 3 ms per point, 3 ms pause | All coils together |
Cook & Persinger applied a 1-uT frequency-modulated field 'through a helmet, either along the right hemisphere or across both hemispheres' for 20 min, 16 people in all; this file is the across-both arm and persinger-cook-2001-fm-right the other. The abstract names only a 'frequency-modulated' field; the Thomas table of US 6,234,953 (849 points, which the lab later described replaying at 3 ms per point; Buckner 2015; Murugan 2013) is an assumption, with a 3-ms pause after each pass (the rat optimum of Persinger & Belanger-Chellew 1999) for Buckner's 2.55-s cycle. Within each pass 18 pulses slow from about 12 to 5 per second (the lab's '25 to 6 Hz' labels do not follow from the table). T7/TP7 and T8/TP8, all four playing together, are an inference from 'across both hemispheres'. The effect appeared only in the half of the sample with above-average temporal-lobe-sign scores, the trait Granqvist 2005 and French 2009 found predicted reports regardless of the field; n = 16 across both arms, one lab. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: left-tpj, right-tpj, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Cook & Persinger 2001, Percept Mot Skills 92:447; Tiller & Persinger 2002, Percept Mot Skills 94:26; Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (849 points at 3 ms, 2.55-s cycle); Murugan 2013, thesis, Laurentian University, pp. 44-45 (849-point Thomas pulse, 3-ms points); Persinger & Belanger-Chellew 1999, Percept Mot Skills 89:486 (3-ms pixel and interstimulus optimum in rats); French et al. 2009, Cortex 45:619; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Cook & Persinger 2001: frequency-modulated field, right hemisphere (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-cook-2001-fm-right, layout: custom, Cook & Persinger 2001 (Laurentian University)
A frequency-modulated field (here the 849-point 'Thomas' table at 3-ms points) along the right hemisphere at 1 uT for 20 min in a darkened, quiet room. Cook & Persinger 2001 (16 people) reported a sensed presence (a 'sentient being') in 75% of above-average temporal-lobe-sign scorers with right-sided fields (60% with fields across both hemispheres) and in none of the below-average scorers.
Setting: A darkened, quiet room, eyes covered, reclining; note the time and side of anything felt.
Schedule: One 20-min exposure; at most once a week. Compare with a blinded sham (the app's Blind option).
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | FM (Thomas table, 3-ms points), right hemisphere | 20 | Point table of 849, 3 ms per point, 3 ms pause | Right side only |
Cook & Persinger applied a 1-uT frequency-modulated field 'through a helmet, either along the right hemisphere or across both hemispheres' for 20 min; this file is the right-sided arm and persinger-cook-2001-fm-bilateral the other. The abstract names only a 'frequency-modulated' field; the Thomas table at 3 ms (the lab's frequency-modulated pattern over the right hemisphere in Tiller & Persinger 2002) is an assumption. The table is Table 1 of US 6,234,953 (Thomas, Prato, Kavaliers & Persinger), 849 points, which the lab replayed at 3 ms per point (Buckner 2015; Murugan 2013). A 3-ms pause after each pass (the 3-ms pixel plus 3-ms interstimulus optimum Persinger & Belanger-Chellew 1999 found in rats) gives Buckner's 2.55-s cycle. Within it 18 pulses slow from about 12 to 5 per second (the lab's '25 to 6 Hz' labels do not follow from the table). Sites T8 and TP8 are an inference; the left channels stay silent. The effect appeared only in the half of the sample preselected by high temporal-lobe-sign scores, the trait Granqvist 2005 and French 2009 found predicted reports regardless of the field; n = 16, one lab. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: right-tpj, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Cook & Persinger 2001, Percept Mot Skills 92:447; Cook & Persinger 1997, Percept Mot Skills 85:683; Tiller & Persinger 2002, Percept Mot Skills 94:26; Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (849 points at 3 ms, 2.55-s cycle); Murugan 2013, thesis, Laurentian University, pp. 44-45 (248-point burst-x, 849-point Thomas pulse, 3-ms points); Persinger & Belanger-Chellew 1999, Percept Mot Skills 89:486 (3-ms pixel and interstimulus optimum in rats); French et al. 2009, Cortex 45:619; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet (Shiva): chirp both sides, then amygdala left, 40 minClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-chirpbi-amyl-40min, layout: custom, Todd Murphy (Shiva God Helmet software); signals licensed from Persinger & Koren
Murphy's Shiva God Helmet variant: the modulated-40 Hz chirp steps around both temporal lobes, then amygdala burst-firing steps around the left side only, which Murphy links to 'positive emotional functions'. Murphy reports presence, elation, joy, imagery and feelings of love; the vendor calls the combination experimental, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy).
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both sides | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Amygdala burst-firing, left side, clockwise | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
Phase 1 (20 min): the chirp on all eight coils (Murphy: it 'activates the temporal lobes overall'), left side clockwise and right side counter-clockwise. Phase 2 (20 min, abrupt switch): amygdala burst-firing on the four left coils only, clockwise. Murphy: if you feel anger during or after the session, don't use it again; not for people prone to anger. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Field about 1 µT, as in the lab God Helmet. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The amygdala 'burstx' template is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz): 230 points as in Ryczko & Persinger 2002 (who used 4-ms points, once every 3 s), here at the vendor's standard 3-ms points (0.69 s, close to the 'about 0.7 s' burst of Persinger et al. 2009), then the vendor's 4 s silence; this gives about 9 s of field per minute (the vendor states 9.6 s). Coil steps: the exact step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. Directions follow Murphy's 'clockwise over the left side, counter-clockwise over the right', read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8); this reading is an inference (an image caption on Murphy's session list says the right side cycles clockwise, contradicting his text; the text is followed), and the placement order is set so the app's per-side directions mean exactly this. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. This is the 40-min version (20 + 20 min); the 60-min version is murphy-gh-chirpbi-amyl-60min.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Murphy, The God Helmet - Chirp first & Amygdala second; Murphy, God Helmet session list; Murphy, God Helmet schedule; Murphy, God Helmet safety; Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 (burst of about 0.7 s every 3 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet (Shiva): chirp both sides, then amygdala left, 60 minClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-chirpbi-amyl-60min, layout: custom, Todd Murphy (Shiva God Helmet software); signals licensed from Persinger & Koren
Murphy's Shiva God Helmet variant: the modulated-40 Hz chirp steps around both temporal lobes, then amygdala burst-firing steps around the left side only, which Murphy links to 'positive emotional functions'. Murphy reports presence, elation, joy, imagery and feelings of love; the vendor calls the combination experimental, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy). Murphy's Shiva pages allow 60-min sessions weekly or every two weeks; his Shakti pages say at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both sides | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Amygdala burst-firing, left side, clockwise | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
Phase 1 (30 min): the chirp on all eight coils (Murphy: it 'activates the temporal lobes overall'), left side clockwise and right side counter-clockwise. Phase 2 (30 min, abrupt switch): amygdala burst-firing on the four left coils only, clockwise. Murphy: if you feel anger during or after the session, don't use it again; not for people prone to anger. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Field about 1 µT, as in the lab God Helmet. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The amygdala 'burstx' template is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz): 230 points as in Ryczko & Persinger 2002 (who used 4-ms points, once every 3 s), here at the vendor's standard 3-ms points (0.69 s, close to the 'about 0.7 s' burst of Persinger et al. 2009), then the vendor's 4 s silence; this gives about 9 s of field per minute (the vendor states 9.6 s). Coil steps: the exact step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. Directions follow Murphy's 'clockwise over the left side, counter-clockwise over the right', read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8); this reading is an inference (an image caption on Murphy's session list says the right side cycles clockwise, contradicting his text; the text is followed), and the placement order is set so the app's per-side directions mean exactly this. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. This is the 60-min version (30 + 30 min); the 40-min version is murphy-gh-chirpbi-amyl-40min.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Murphy, The God Helmet - Chirp first & Amygdala second; Murphy, God Helmet session list; Murphy, God Helmet schedule; Murphy, God Helmet safety; Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 (burst of about 0.7 s every 3 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Harribance: Koren helmet, 4 coil pairs x 0.5 s, five conditions (Persinger 2010)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-harribance-koren-2s, layout: custom, Persinger & Koren lab (Laurentian University), Koren Helmet session with the psychic Sean Harribance, reported in Persinger 2010
The Koren-helmet session Persinger's lab ran with the psychic Sean Harribance: no field, 3.3 Hz and 1.6 Hz sine waves, burst-firing and an LTP (primed-burst) pattern, 2-3 min each, stepped around four left-right coil pairs every 0.5 s with the right side about 10% stronger. Persinger reported 22 presence or vision button presses during the LTP pattern against 5-12 for the others, with a 6:1 left-side bias (one subject).
Setting: Seated and blindfolded in a quiet, dark room, holding a button or tally counter in each hand: press the left or right one when you sense a presence or see a vision on that side, both when it is in front of or behind you. Have someone else note which condition was running, or use the app's Blind option.
Schedule: One session in the original (one subject).
Coils: CH1 T7, CH2 C5, CH3 CP5, CH4 TP7, CH5 T8, CH6 C6, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Pass 1: No field | 3 | No output | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 2 | Pass 1: 3.3 Hz sine, 4 pairs x 0.5 s | 3 | 3.3 Hz sine, 1 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 3 | Pass 1: Burst-firing every 4 s, 4 pairs x 0.5 s | 3 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 4 | Pass 1: 1.6 Hz sine, 4 pairs x 0.5 s | 3 | 1.6 Hz sine, 1 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 5 | Pass 1: LTP primed burst (170 ms), 4 pairs x 0.5 s | 3 | Point table of 200, 1 ms per point | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 6 | Pass 2: 1.6 Hz sine, 4 pairs x 0.5 s | 3 | 1.6 Hz sine, 1 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 7 | Pass 2: LTP primed burst (170 ms), 4 pairs x 0.5 s | 3 | Point table of 200, 1 ms per point | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 8 | Pass 2: Burst-firing every 4 s, 4 pairs x 0.5 s | 3 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 9 | Pass 2: 3.3 Hz sine, 4 pairs x 0.5 s | 3 | 3.3 Hz sine, 1 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
| 10 | Pass 2: No field | 3 | No output | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil, weighted |
Persinger 2010 describes the Koren Helmet as four pairs of solenoids "arranged in an elliptical pattern at the level of temporoparietal region", fed by a commutator that sends the pattern to each of the four pairs in turn for 0.5 s (2 s per full rotation); Persinger & Murphy 2016 add that one solenoid on the left and one on the right are on at any moment. The fields were "weak (1 uT)". Here each side carries four coils on a small ellipse over the temporoparietal region (T7, C5, CP5, TP7 and T8, C6, CP6, TP8), stepped in mirror image; the exact positions and stepping order are not published. The right side was set about 10% stronger (about 100 nT per 10 cm), so the left coils run at 0.91. In a 45-min setting Harribance received no field, 3.3 Hz, 1.6 Hz, burst-firing and LTP in counterbalanced order for 2-3 min each; how often each came and in which order is not given, so this runs two passes of 3 min each (30 min), the second in roughly reverse order. The sines' point duration is not given (1 ms here). Burst-firing is the lab's analgesic pattern presented once every 4 s (Martin et al. 2004); its point values are unpublished, so the built-in accelerating burst of 230 points at 3 ms (0.69 s) stands in. LTP is described as "a single pulse followed about 170 msec later by 4 pulses in rapid succession with a functional frequency of between 100 and 200 Hz"; it is built as 1-ms positive pulses at 0, 170, 175, 180 and 185 ms, repeating every 200 ms. The repetition rate is not given; 5 per second follows the lab's "1 s pulse of 5 trains" LTP field (Delparte & Persinger 2007). The 200-Hz spacing (the top of the stated range, which keeps the next primer 15 ms clear of the burst), the polarity, the 1-ms points and the repetition rate are assumptions; the project's primed generator instead uses the 150-ms primer interval of a later Shiva LTP file (Corradini 2014) with 100-Hz pulses. The left:right ratio of presses was 1.5-2.1:1 for the other conditions and 6:1 for LTP; Roll et al. 2002 likewise reported left-sided presences with LTP-patterned fields over his right temporoparietal region. The "Harribance configuration" of Persinger & Saroka 2012 is his own digitised EEG, not part of this program, and cannot be rebuilt without the original data. One subject, unblinded, button counts only, reported years later in a NeuroQuantology paper. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-tpj, left-tpj, right-superior-temporal-gyrus-posterior, left-superior-temporal-gyrus-posterior, right-hippocampus-body, left-hippocampus-body (field on the brain)
Sources:Persinger 2010, The Harribance effect as pervasive out-of-body experiences, NeuroQuantology 8(4):444-465, pp. 448-449 and 454; Persinger & Murphy 2016, Neuroscience & Medicine 7:27-44 (Koren Helmet: four left-right solenoid pairs, 0.5 s each, 2-s cycle); Roll, Persinger, Webster, Tiller & Cook 2002, Int J Neurosci 112:197-224; Persinger & Saroka 2012, Protracted parahippocampal activity associated with Sean Harribance, Int J Yoga 5:140-145; Martin & Persinger 2004, Neurosci Lett 366:226-229 (burst-firing once every 4 s); Persinger, Hoang & Baker-Price 2009 (burst-firing about 0.7 s once every 3 s); Delparte & Persinger 2007, Int J Neurosci 117:295-299 (LTP field as "1 s pulse of 5 trains"); Corradini 2014, MA thesis, Laurentian University (primed-burst LTP file); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Meli 2009: right-hemisphere burst-firing in dim red lightSingle lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-meli-2009-red-light, layout: custom, Meli & Persinger 2009 (Behavioral Neuroscience Laboratory, Laurentian University)
Thirty minutes of the lab's burst-firing pattern over the right temporal lobe while you sit with your eyes open in dim red light. Persinger's lab reported that the field combined with red light, rather than green or white light, markedly increased dizziness, a sensed presence, "ego-alien" thoughts and feelings of detachment from the body (Meli & Persinger 2009).
Setting: Seated with the eyes open in a quiet room lit only by dim red light (the study's comparison conditions were dim green and dim white light).
Schedule: One 30-min session per condition. For a self-test, compare red with green or white light and field with sham (the app's Blind option) in blinded, counterbalanced sessions on different days, with the rating scale chosen in advance.
Coils: CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Right temporal burst-firing, eyes open, red light | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Right side only |
The abstract says the right hemisphere was stimulated (the title says "over the temporal lobes") but gives no coil positions or intensity: T8 and TP8 (the other six channels stay silent) and 1 uT, the lab's usual human intensity, are inferences. The burst-firing point values were never published; the built-in accelerating burst with the published timing (230 points of 3 ms = 0.69 s, once every 4 s) stands in for them (the lab's theses give 230, 248 or 289 points and 3 or 4 s between bursts). Light colour and open eyes are part of this protocol, not comfort settings: field subjects reported more visual sensations on the left in red light and on the right in green light. The lab also logged geomagnetic activity: Booth, Koren & Persinger 2005 linked presences to rising activity, while other studies linked it to lower pleasantness, so if you track it, fix the analysis in advance. Karbowski et al. 2015 reported similar sensations from blue LEDs on the right back of the head flashed in one of the lab's field patterns, which if anything points away from the magnetic field as the cause; this helmet has no light channel. presence-right runs the same burst for 20 + 10 min on four right coils (FT8, T8, CP6, TP8). Single-lab finding, never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, headache or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-tpj (field on the brain)
Sources:Meli & Persinger 2009, Red light facilitates the sensed presence elicited by application of weak, burst-firing magnetic fields over the temporal lobes, Int J Neurosci 119:68-75; Booth, Koren & Persinger 2005, Int J Neurosci 115:1053-1079 (sensed presence and geomagnetic activity); Karbowski, Saroka, Murugan & Persinger 2015, Epilepsy Behav 51:127-132 (blue-light version); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374-382 (burst-firing once every 3 s for about 0.7 s); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms points); Collins 2014, MA thesis, Laurentian University (3 ms points, 4 s between bursts); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Paranormal Shakti on-site: amygdala signal, 8-coil cross ('Lady Vampire')Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-paranormal-shakti-onsite-amygdala, layout: custom, Todd Murphy (Paranormal Shakti software, retired)
The on-site amygdala session of Murphy's retired Paranormal Shakti (about 2012-2015), which the vendor sold to paranormal investigators to raise their 'sensitivity' at a site: 30 min of the amygdala signal alternating between the two stereo channels of a 4-coil cross on each temporal lobe. The vendor links it to the 'Lady Vampire' episode of the TV series Paranormal State.
Setting: On site during an investigation (vendor).
Schedule: Vendor: after 6 temporal sessions, do 3 frontal ones (murphy-paranormal-shakti-frontal), but not in the 3 days before an investigation, because it says the frontal session lowers sensitivity. The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala signal, vertical and horizontal pairs in turn | 30 | Point table of 1793, 3 ms per point, 4000 ms pause + Point table of 1793, 3 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
Coils form a cross on each temporal lobe: FT7 (front), C5 (top), TP7 (back) and T9 (bottom) on the left, FT8, C6, TP8 and T10 on the right; the sites are an inference from the vendor's description. Following 'begin with the left channel vertical and the right channel horizontal', track 1 (the left stereo channel) drives the top and bottom coils (C5, T9, C6, T10) and track 2 (the right channel) the front and back coils (FT7, TP7, FT8, TP8). The signal alternates between the two groups slowly, one whole signal per switch with about 4 s of silence in between; the Paranormal Shakti pages give no alternation speed, and the 8 Coil Shakti's 'fast' mode (a switch every half-second), which its pages say 'emerged as the most effective' in the original developers' lab tests, is not used. Polarity follows the 8 Coil Shakti coil chart (the Paranormal Shakti pages do not repeat it): each pair is one + and one - coil, so C5 (top) and FT7 (front) on the left and T10 (bottom) and TP8 (back) on the right get the reversed signal (weight -1), while T9, TP7, C6 and FT8 get it as is. The amygdala ('burstx') file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s, after the published 230-point burst-firing pattern). For the TV episode the vendor says 'the coils were placed about two inches forward of their usual locations' (move the whole cross about 5 cm forward). The vendor also describes the cross 'raised up' above the temporo-parietal region. Experiences during or after such a session are not evidence about the site. Persinger's lab reported that burst-firing fields over the right temporoparietal region raised hypnotic suggestibility (Healey 1996) and that three weekly bilateral sessions increased aggression (Gillis & Persinger 1993). An independent sham-controlled test of the 8 Coil Shakti amygdala signal found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). The product is retired; this file is of historical interest. Not for people with epilepsy; stop at once on fear or distress.
Aims at: left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, Paranormal Shakti: on-site sessions (Wayback, 2013); Murphy, Paranormal Shakti: the procedure (Wayback, 2013); Murphy, Paranormal Shakti: frontal lobe session (Wayback, 2013); Murphy, Comments on the Lady Vampire episode of Paranormal State; Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Gillis & Persinger 1993, Percept Mot Skills 76:168; Murphy, Shakti demo: Safety - how often; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Granqvist et al. 2005, Neurosci Lett 379:1
Persinger lab: left temporoparietal burst-firing (20 min, comparison arm)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-healey-burst-left, layout: custom, Laurentian University: Richards, Koren & Persinger 1992; Healey, Persinger & Koren 1996; Persinger & Healey 2002
Burst-firing over the left temporoparietal region only, 1 uT for 20 min: the comparison arm of Persinger's lateralisation studies, which by the lab's reports raised neither hypnotic suggestibility (Healey 1996) nor apprehension (Richards 1992) and, with an unnamed 'complex, pulsed' pattern, gave fewer sensed presences than right-sided or bilateral fields (Persinger & Healey 2002).
Setting: Partial sensory deprivation: blindfold or opaque goggles, reclining in a very quiet, darkened room; the same before-and-after measures as the right arm.
Schedule: One 20-min exposure per arm. At most once a week; run right, left, bilateral and sham sessions in blinded, counterbalanced order.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing, left temporoparietal | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Left side only |
Healey, Persinger & Koren 1996 gave 20 min of 1-uT burst-firing over the right hemisphere, the left, both or a sham; by the lab's reports the left arm raised neither suggestibility nor, in Richards 1992, apprehension in women, and in Persinger & Healey 2002 it gave fewer presences, fears and odd smells than the right or bilateral arms. Persinger & Healey 2002 (48 people) ran the same four arms at 100 nT-1 uT with fields 'primarily over' one side; they name no pattern ('complex, pulsed'), so burst-firing there is an assumption, and any field they had on the other side is off here. The presence-left program plays the same burst timing on four left-side coils and adds an optional 10 min; this file keeps the 20-min, two-coil form. The lab's burst-firing point values were never published; the built-in accelerating burst (6 to 30 Hz) stands in, with the file's published length, 230 points of 3 ms (0.69 s; Carniello 2020; other theses give 248 or 289), once every 4 s (the lab's rat analgesia work, Martin & Persinger 2004, and Collins 2014's Shiva study; Persinger, Hoang & Baker-Price 2009 give 'once every 3 s for about 0.7 s'). Two coils, T7 and TP7, are an inference from 'left temporoparietal'; the right channels stay silent. Same coils and pattern as the right and bilateral programs, so it is their active control. Tiller & Persinger 1994 (15 min of a 1-uT 'pulsed' field) reported higher suggestibility only when the right side came first (persinger-tiller-1994-right-then-left), so log the order in any comparison; and a field that raises suggestibility confounds every unblinded session, so compare blind (right, left, persinger-burst-temporal-bilateral, sham). None of these lateral effects has been replicated outside the lab. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012), and in Granqvist's study suggestibility traits, not the field, predicted the reports. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: left-tpj, left-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Richards, Koren & Persinger 1992, Percept Mot Skills 75:667; Persinger & Healey 2002, J Nerv Ment Dis 190:533; Tiller & Persinger 1994, Int J Neurosci 79:157; Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University, p. 31 (289 points, 3 ms, 4000 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Persinger lab: right temporoparietal burst-firing (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-healey-burst-right, layout: custom, Laurentian University: Richards, Koren & Persinger 1992; Healey, Persinger & Koren 1996; Persinger & Healey 2002
Burst-firing over the right temporoparietal region only, 1 uT for 20 min. With right-sided fields Persinger's lab reported a marked rise in hypnotic suggestibility (Healey 1996), apprehension in women (Richards 1992) and, with an unnamed 'complex, pulsed' pattern, more sensed presences, fears and odd smells than with left-sided or sham fields (Persinger & Healey 2002).
Setting: Partial sensory deprivation: blindfold or opaque goggles, reclining in a very quiet, darkened room. For the suggestibility test, take a standard hypnotic-susceptibility scale before and after (the lab used Spiegel's Hypnotic Induction Profile), scored by someone who does not know the condition.
Schedule: One 20-min exposure per arm. At most once a week; run right, left, bilateral and sham sessions in blinded, counterbalanced order.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing, right temporoparietal | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Right side only |
Healey, Persinger & Koren 1996 gave 20 min of 1-uT burst-firing over the right hemisphere, the left, both or a sham, with Spiegel's Hypnotic Induction Profile before and after, and reported a marked rise in suggestibility only in the right group (eta = 0.58); Richards 1992 reported apprehension in women with right- but not left-sided bursts. Persinger & Healey 2002 (48 people) ran the same four arms at 100 nT-1 uT with fields 'primarily over' one side; they name no pattern ('complex, pulsed'), so burst-firing there is an assumption, and any field they had on the other side is off here. The presence-right program plays the same burst timing on four right-side coils and adds an optional 10 min; this file keeps the 20-min, two-coil form. The lab's burst-firing point values were never published; the built-in accelerating burst (6 to 30 Hz) stands in, with the file's published length, 230 points of 3 ms (0.69 s; Carniello 2020; other theses give 248 or 289), once every 4 s (the lab's rat analgesia work, Martin & Persinger 2004, and Collins 2014's Shiva study; Persinger, Hoang & Baker-Price 2009 give 'once every 3 s for about 0.7 s'). Two coils, T8 and TP8, are an inference from 'right temporoparietal'; the left channels stay silent. Tiller & Persinger 1994 (15 min of a 1-uT 'pulsed' field) reported higher suggestibility only when the right side came first (persinger-tiller-1994-right-then-left), so log the order in any comparison; and a field that raises suggestibility confounds every unblinded session, so compare blind (right, left, persinger-burst-temporal-bilateral, sham). The suggestibility effect has not been replicated outside the lab (the lab's re-analysis of 19 of its own experiments, St-Pierre & Persinger 2006, is not independent evidence). Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012), and in Granqvist's study suggestibility traits, not the field, predicted the reports. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: right-tpj, right-superior-temporal-gyrus-posterior, right-amygdala (field on the brain)
Sources:Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Richards, Koren & Persinger 1992, Percept Mot Skills 75:667; Persinger & Healey 2002, J Nerv Ment Dis 190:533; Tiller & Persinger 1994, Int J Neurosci 79:157; St-Pierre & Persinger 2006, Int J Neurosci 116:1079; Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University, p. 31 (289 points, 3 ms, 4000 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Sensed presence (left temporoparietal)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
presence-left, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), Persinger & Healey 2002 (Laurentian University), left-hemisphere arm; left-TPJ interest after Arzy et al. 2006
Burst-firing over the left temporal and temporoparietal region (FT7, T7, CP5, TP7) for 20 min: the left-hemisphere arm of Persinger & Healey 2002, which by their report gave fewer "presences" than right or bilateral fields. Arzy et al. 2006 evoked a "shadow person" by electrical stimulation of the LEFT temporoparietal junction; compare this preset with presence-right in blinded trials.
Setting: Seated or reclined in a quiet, darkened room with the eyes covered (Persinger & Healey used opaque goggles).
Schedule: At most weekly; run it against presence-right and sham in blinded, counterbalanced order, with the outcome decided in advance.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Left temporoparietal burst-firing (20 min) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Left side only |
| 2 | Left temporoparietal, continued to 30 min | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Left side only |
Persinger & Healey ran a double-blind study with 48 subjects at 0.1-1 uT for 20 min, with opaque goggles in a very quiet room, and reported more presences, fears and odd smells with fields primarily over the right or equally across both hemispheres than with fields "primarily over the left temporoparietal region" or sham, so by Persinger's account this left-sided version should do less. Phase 1 is the 20-min exposure; phase 2 continues to 30 min so that it matches presence-right (Meli & Persinger 2009 used 30 min over the right side). Persinger & Healey name no waveform ("complex, pulsed"), so the lab's burst-firing pattern stands in, an assumption: the built-in accelerating burst (6 to 30 Hz) with the published Burst-X timing, 230 points of 3 ms (0.69 s; Carniello 2020; 248 and 289 points in other theses) once every 4 s (Martin & Persinger 2004; Persinger, Hoang & Baker-Price 2009 give "once every 3 s for about 0.7 s"); the point values were never published. Changed after the primary-source check: it was 230 points of 4 ms once every 3 s, the rat timing of Ryczko & Persinger 2002. All four left-side coils play together and the right side stays silent; how much field that arm put on the right is not published. Arzy's patient had epilepsy and was stimulated directly on the cortex through implanted electrodes, with currents far stronger than this helmet; Blanke 2014 produced a felt presence in healthy people with a robot creating sensorimotor conflict, without any field. Weak-field stimulation of the left TPJ is untested outside Persinger's lab. Murphy says the presence rarely appears at home without true silence. In the only large independent double-blind test (Granqvist 2005, 89 people) suggestibility, not the field, predicted sensed presence; Gendle & McGrath 2012 also found no field effect. Stop on fear or distress; not for people with epilepsy.
Aims at: left-tpj, left-supramarginal-gyrus, left-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger & Healey 2002, J Nerv Ment Dis 190:533; Meli & Persinger 2009, Int J Neurosci 119:68; Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points; Thomas file with 3-ms points and intervals); Martin & Persinger 2004, Neurosci Lett 366:226-229 (burst-firing once every 4 s); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374-382 ("once every 3 s for about 0.7 s"); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (rat timing: 230 points of 4 ms once every 3 s); Arzy et al. 2006, Nature 443:287; Blanke et al. 2014, Curr Biol 24:2681; Murphy-Balbin interview; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Sensed presence (right temporoparietal)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
presence-right, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), Persinger & Healey 2002 (Laurentian University), right-hemisphere arm; 30-min length after Meli & Persinger 2009
Burst-firing over the right temporal and temporoparietal region (FT8, T8, CP6, TP8) for 20 min, the arm in which Persinger & Healey 2002 reported more "presences" than with left-sided or sham fields, plus an optional 10 min to the 30-min exposure of Meli & Persinger 2009.
Setting: Seated or reclined in a quiet, darkened room with the eyes covered (Persinger & Healey used opaque goggles; Meli & Persinger a dim red light).
Schedule: At most weekly; run it against presence-left and sham in blinded, counterbalanced order, with the outcome decided in advance.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Right temporoparietal burst-firing (20 min) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Right side only |
| 2 | Right temporoparietal, continued to 30 min | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Right side only |
Persinger & Healey ran a double-blind study with 48 subjects at 0.1-1 uT for 20 min, with opaque goggles in a very quiet room, and reported more presences, fears and odd smells with fields "primarily over the right temporoparietal region" or equally across both hemispheres than with left or sham; Meli & Persinger 2009 applied 30 min of burst-firing over the right temporal lobe. Phase 1 is the 20-min exposure (stop after it to copy Persinger & Healey); phase 2 continues to 30 min. Persinger & Healey name no waveform ("complex, pulsed"), so the lab's burst-firing pattern stands in, an assumption: the built-in accelerating burst (6 to 30 Hz) with the published Burst-X timing, 230 points of 3 ms (0.69 s; Carniello 2020; 248 and 289 points in other theses) once every 4 s (Martin & Persinger 2004; Persinger, Hoang & Baker-Price 2009 give "once every 3 s for about 0.7 s"); the point values were never published. Changed after the primary-source check: it was 230 points of 4 ms once every 3 s, the rat timing of Ryczko & Persinger 2002. All four right-side coils play together and the left side stays silent; how much field that arm put on the left is not published. Persinger's lab also reported that 20 min of right temporoparietal burst-firing raised hypnotic suggestibility (Healey, Persinger & Koren 1996), and right-sided fields frightened some lab subjects: stop on fear or distress, and skip it if you are prone to anxiety or have epilepsy. Murphy admits that home God Helmets rarely produce the sensed presence and blames the lack of true acoustic silence. Mainstream work links the felt presence to the temporoparietal junction, but through electrodes and sensorimotor conflict, not weak fields (Arzy 2006; Blanke 2014). In the only large independent double-blind test (Granqvist 2005, 89 people) suggestibility, not the field, predicted sensed presence; Gendle & McGrath 2012 also found no field effect.
Aims at: right-tpj, right-angular-gyrus, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger & Healey 2002, J Nerv Ment Dis 190:533; Meli & Persinger 2009, Int J Neurosci 119:68; Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points; Thomas file with 3-ms points and intervals); Martin & Persinger 2004, Neurosci Lett 366:226-229 (burst-firing once every 4 s); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374-382 ("once every 3 s for about 0.7 s"); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (rat timing: 230 points of 4 ms once every 3 s); Murphy-Balbin interview; Murphy, God Helmet main page; Arzy et al. 2006, Nature 443:287; Blanke et al. 2014, Curr Biol 24:2681; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Sensed-presence protocol: Thomas both sides, then Burst-X (Saroka 2015)Single lab: Published by one lab or group, not independently replicated60 min, 1.0 µT
persinger-saroka-2015-sensed-presence, layout: custom, Persinger laboratory, Laurentian University; the two-phase sensed-presence protocol as stated by Saroka (2015)
The Persinger lab's two-phase sensed-presence protocol as Saroka (2015) states it: 30 min of the frequency-modulated 'Thomas' pattern across both temporoparietal regions, then 30 min of the burst-firing (Burst-X) pattern. Saroka & Persinger (2013) reported that people who sensed a presence showed a rise in coherence between the two temporal lobes about 10-15 min after the initial frequency-modulated application, with more right-frontal theta.
Setting: Seated in a dark, quiet room with the eyes closed or covered by opaque goggles (the lab used an acoustic chamber that was also a Faraday cage, and sometimes recorded 19-channel EEG). The lab told people they might or might not receive a field; the app's Blind option does the same.
Schedule: One 60-min session. For a self-test, compare it with a blinded sham session on another day and write down what you experienced before unblinding; at most weekly.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas pattern (exact table, 3 ms), both sides | 30 | Point table of 849, 3 ms per point, 3 ms pause | All coils together |
| 2 | Burst-X (230 x 3 ms, every 4 s), both sides | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
Saroka's thesis (p. 29) gives the protocol in one sentence: 30 min of a frequency-modulated pattern ('also called the Thomas pattern') applied bilaterally over the temporo-parietal region, then 30 min of BurstX. It names no sites, intensity or intervals, so these follow the lab's other papers. Phase 1 plays the exact Thomas table (US 6,234,953 Table 1: 849 points at 3 ms, 2.55 s per cycle; Buckner 2015) with a 3-ms pause between repeats (Murugan 2013; Carniello 2020). The Burst-X point values were never published; the built-in accelerating burst stands in, with the published timing of 230 points at 3 ms (0.69 s; Carniello 2020) once every 4 s (Martin 2004); Murugan (248 points, every 3 s) and Collins 2014 (289 points) give other versions. Saroka does not say where phase 2 was applied; it stays on the same coils, both sides together (an assumption). Two static coils per side, T7/TP7 and T8/TP8, stand in for 'temporo-parietal' (like the lab's four-solenoid 'Koren boxes', Tsang 2004; the lab never published coil positions); 1 uT is the lab's usual human intensity (1-5 uT inside its solenoids, Lehman 2016). How it differs: persinger-synthetic-ghost-2000 and persinger-granqvist-2005-replication play the Thomas phase on the right only, as the lab's 2000 haunt case did, and god-helmet-classic is Murphy's Shiva version (a right-side chirp, then a burst stepping around four coils per side). The coherence and theta markers (Saroka & Persinger 2013, as Saroka summarizes them) come from one lab and were never replicated; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). The 2000 case reported 'rushes of fear' during the frequency-modulated pattern, and Murphy expects his first phase to be unpleasant for some people: press Skip to go to phase 2, and stop at once on fear or distress. Not for people with epilepsy or a seizure history, implanted devices, pregnancy, or anxiety or trauma symptoms; have someone nearby.
Aims at: right-tpj, left-tpj, right-superior-temporal-gyrus-posterior, left-superior-temporal-gyrus-posterior, right-amygdala, left-amygdala (field on the brain)
Sources:Saroka 2015, doctoral thesis, Laurentian University, p. 29 (sensed-presence protocol: 30 min bilateral temporo-parietal frequency-modulated Thomas pattern, then 30 min BurstX); Saroka & Persinger 2013, Epilepsy Behav 28:395-407 (temporal coherence and right-frontal theta in people who sensed a presence, as cited by Saroka 2015); Persinger, Tiller & Koren 2000, Percept Mot Skills 90:659-674 (frequency-modulated pattern over the right hemisphere, then a second pattern bilaterally); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4):e0124136, Methods (849 points at 3 ms, 2.55 s per cycle); Murugan 2013, thesis, Laurentian University, pp. 44-45, 69-70 (Thomas pulse 3 ms; burst-firing 248 points, 3 s); Carniello 2020, thesis, Laurentian University, p. 89 (burst-firing 230 points, 3 ms); Martin, Koren & Persinger 2004, Pharmacol Biochem Behav 78:217-227 (burst-firing once every about 4 s); Collins 2014, MA thesis, Laurentian University, p. 31 (289 points, 3 ms, 4000 ms); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374-382 (burst-firing about 0.7 s every 3 s); Tsang, Koren & Persinger 2004, Int J Neurosci 114:1013 ('the set of 4 solenoids (Koren boxes)' through the temporal lobes); Lehman 2016, thesis, Laurentian University, p. 57 (1-5 uT inside each solenoid); Murphy, God Helmet session list (vendor two-phase version); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Synthetic ghost: Thomas pattern right, then burst both sides (Persinger 2000)Anecdote: Personal reports only60 min, 1.0 µT
persinger-synthetic-ghost-2000, layout: custom, Persinger, Tiller & Koren (Laurentian University), 2000 case study of one man who had experienced a haunt
Persinger's lab tried to re-create one man's earlier 'haunt': a frequency-modulated (Thomas) pattern over the right hemisphere, then a second pattern through both hemispheres. The lab reported rushes of fear and an apparition during the right-sided pattern and pleasant experiences during the bilateral one, in one unblinded subject.
Setting: Seated in a quiet, dark room with the eyes covered (the lab used blindfolds or opaque goggles in an acoustic chamber); the original subject had EEG recorded throughout.
Schedule: One session in the original. At most weekly; for a self-test, use the app's Blind option and write down what you felt before unblinding.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas pattern (patent table, 3 ms), right hemisphere | 30 | Point table of 849, 3 ms per point, 3 ms pause | Right side only |
| 2 | Second pattern, both sides (burst-firing stand-in) | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
Persinger, Tiller & Koren (2000) exposed one 45-year-old man to 1 uT complex transcerebral fields: a frequency-modulated pattern over the right hemisphere, then a second pattern applied bilaterally. The lab reported that within 10 min of the right-sided pattern he felt 'rushes of fear' that ended in an apparition he judged very similar to his natural one, with 1-2 s paroxysmal 15 Hz complex spikes in the EEG, and that the bilateral pattern brought pleasant experiences. The paper gives no exposure durations ('within 10 min' is an onset latency); 30 + 30 min follows the lab's own two-phase sensed-presence protocol (30 min of the frequency-modulated pattern, then 30 min of BurstX; Saroka 2015) and its stated 20-40 min per pattern. The frequency-modulated pattern is taken to be the Thomas pattern (Saroka equates the two) and plays the exact patent table, 849 points at 3 ms (Buckner 2015), with a 3-ms pause between repeats: the point and interstimulus durations at which this pattern provoked the most seizures in the lab's epileptic rats (Persinger & Belanger-Chellew 1999). The second pattern is not named; the lab's burst-firing pattern stands in for it (an inference from Saroka's protocol). Its point values are unpublished, so an accelerating burst of 230 points at 3 ms (690 ms) once every 4 s (Martin & Persinger 2004; Persinger, Hoang & Baker-Price 2009 give about 0.7 s every 3 s) approximates it. Two static coils per side, T8/TP8 and T7/TP7, approximate 'over the right hemisphere' and 'bilaterally'. Unlike this file, persinger-saroka-2015-sensed-presence plays the Thomas phase on both sides, as Saroka describes, and god-helmet-classic is Murphy's Shiva version (a chirp approximation and a burst stepping around four coils per side). French et al. (2009) based the waveform of their room-scale Haunt study on this paper's; with 79 people the reports were unrelated to condition and best explained by suggestibility. This is n = 1, unblinded, in a man chosen because he had had the experience and who knew the purpose: a case report, not evidence of an effect. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Phase 1 is the part the lab reported as frightening: press Skip to go to phase 2, and stop at once on fear or distress. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; not for anyone with anxiety or trauma symptoms; have someone nearby.
Aims at: right-superior-temporal-gyrus-posterior, right-tpj, left-superior-temporal-gyrus-posterior, left-tpj (field on the brain)
Sources:Persinger, Tiller & Koren 2000, Experimental simulation of a haunt experience and elicitation of paroxysmal electroencephalographic activity by transcerebral complex magnetic fields: induction of a synthetic 'ghost'?, Percept Mot Skills 90:659-674; Saroka 2015, PhD thesis, Laurentian University, p. 29 (sensed-presence protocol: 30 min of the frequency-modulated Thomas pattern over both temporoparietal regions, then 30 min of BurstX); US 6,234,953 B1 (Thomas, Prato, Kavaliers & Persinger), Table 1, Thomas pulse; Buckner et al. 2015, PLoS ONE 10:e0124136 (Thomas pattern: 849 points at 3 ms); Persinger & Belanger-Chellew 1999, Percept Mot Skills 89:486 (most seizures in epileptic rats with the Thomas pattern at 3-ms pixel and interstimulus durations); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 (burst-firing about 0.7 s every 3 s); Martin & Persinger 2004, Neurosci Lett 366:226-229 (burst-firing once every 4 s); Persinger to Larhammar, 22 Nov 2004 (20-40 min per pattern); French, Haque, Bunton-Stasyshyn & Davis 2009, The Haunt project, Cortex 45:619; French et al., The Haunt project, accepted manuscript with the full method; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Tiller & Persinger 2002: 'Thomas' FM pattern, 3-ms points, right (5 min)Single lab: Published by one lab or group, not independently replicated5 min, 1.0 µT
persinger-tiller-2002-thomas-right, layout: custom, Tiller & Persinger 2002 (Laurentian University); 'Thomas' pattern after Alex W. Thomas (US 6,234,953)
The 849-point 'Thomas' frequency-modulated table of US 6,234,953, played at 3 ms per point as the lab later described (a 2.55-s decelerating burst, repeated), over the right parietotemporal region at 1 uT for 5 min. Tiller & Persinger 2002 (12 people) reported that 40% of all left-sided presences came during this one 5-min configuration and that the time-reversed pattern was less effective.
Setting: Blindfolded or with opaque goggles in a quiet, dark room; press a button, speak, or tell a helper the moment anything is felt and on which side (left, right, front or back).
Schedule: One 5-min block in the original, one of eight 5-min configurations given to each subject in an order they did not know. At most once a week.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas table, 3-ms points, right parietotemporal | 5 | Point table of 849, 3 ms per point, 3 ms pause | Right side only |
Tiller & Persinger applied eight 1-uT configurations for 5 min each 'primarily over the right parietotemporal region', in an order the subjects did not know, and logged button presses as left, right or front-back presences. Only this pattern and its time-reversed copy (persinger-tiller-2002-thomas-reversed) are identified; the other six ('more or less complex') were never published, so this file holds the effective block alone. The table is Table 1 of US 6,234,953 (Thomas, Prato, Kavaliers & Persinger), 849 points, which the lab replayed at 3 ms per point (Buckner 2015; Murugan 2013); that Tiller used this very file is the lab's later description, not stated in the 2002 abstract. A 3-ms pause after each pass (the 3-ms pixel plus 3-ms interstimulus optimum Persinger & Belanger-Chellew 1999 found in rats) gives Buckner's 2.55-s cycle; the lab's rat analgesia version was 837 values of 1 ms once every 4 s (Dixon & Persinger 2001). Within it 18 pulses slow from about 12 to 5 per second (the lab's '25 to 6 Hz' labels do not follow from the table). Sites T8 and TP8 are an inference; the left channels stay silent. A 5-s fade is added at start and end. The lab otherwise held that subjective effects need 20-40 min per pattern (see persinger-cook-2001-fm-right); this study used 5 min. For a blinded test, have someone else pick this file, the reversed file or a sham, and note the time and side of anything you feel. n = 12, within-subject, one lab; the side of a presence is a subjective report and has never been tested independently. Granqvist et al. ran 15 min of the Thomas pattern over the right hemisphere, then 15 min of bilateral burst-firing, double-blind with 89 people, and found no field effect; Persinger blamed uncalibrated Windows timing and the short exposure. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: right-tpj, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Tiller & Persinger 2002, Percept Mot Skills 94:26; Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (849 points at 3 ms, 2.55-s cycle); Murugan 2013, thesis, Laurentian University, pp. 44-45 (248-point burst-x, 849-point Thomas pulse, 3-ms points); Persinger & Belanger-Chellew 1999, Percept Mot Skills 89:486 (3-ms pixel and interstimulus optimum in rats); Dixon & Persinger 2001, Int J Neurosci 108:87 (837 values at 1 ms, once every 4 s); Granqvist et al. 2005, Neurosci Lett 379:1; Persinger & Koren 2005, A response to Granqvist et al., Neurosci Lett 380:346; Gendle & McGrath 2012, Percept Mot Skills 114:217
Tiller & Persinger 2002: time-reversed Thomas pattern, right (5 min)Single lab: Published by one lab or group, not independently replicated5 min, 1.0 µT
persinger-tiller-2002-thomas-reversed, layout: custom, Tiller & Persinger 2002 (Laurentian University), comparison configuration
The 849-point 'Thomas' table played backwards (pulses speeding up instead of slowing down), at 3 ms per point over the right parietotemporal region, 1 uT for 5 min: the comparison configuration that Tiller & Persinger 2002 reported as less effective than the forward pattern for left-sided presences.
Setting: Blindfolded or with opaque goggles in a quiet, dark room; report the moment and side of anything felt.
Schedule: One 5-min block, at most once a week.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Reversed Thomas table, 3-ms points, right | 5 | Point table of 849, 3 ms per point, 3 ms pause | Right side only |
Same table, timing, coils and intensity as persinger-tiller-2002-thomas-right, with the point order reversed; Buckner 2015 describes the lab's reverse Thomas file the same way ('proceeds from 6 Hz to 25 Hz'). Tiller & Persinger reported it less effective than the forward pattern for left-sided presences; with the same points and energy in the opposite time order, it is the forward file's active control. The forward table is Table 1 of US 6,234,953 (Thomas, Prato, Kavaliers & Persinger), 849 points, which the lab replayed at 3 ms per point (Buckner 2015; Murugan 2013); with a 3-ms pause after each pass (the rat optimum of Persinger & Belanger-Chellew 1999) one pass lasts 2.55 s, in which 18 pulses speed up from about 5 to 12 per second (the lab's '6 to 25 Hz' labels do not follow from the table). Reversing the point order also mirrors each pulse in time, as a reversed point file does. Sites T8 and TP8 are an inference; the left channels stay silent. A 5-s fade is added at start and end. For a blinded test, have someone else pick this file, the forward file or a sham. n = 12, one lab, no independent replication of the forward-versus-reversed difference. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: right-tpj, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Tiller & Persinger 2002, Percept Mot Skills 94:26; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (849 points at 3 ms, 2.55-s cycle); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1; Murugan 2013, thesis, Laurentian University, pp. 44-45 (248-point burst-x, 849-point Thomas pulse, 3-ms points); Persinger & Belanger-Chellew 1999, Percept Mot Skills 89:486 (3-ms pixel and interstimulus optimum in rats); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Out-of-body 6
64-coil Shiva OBE lab case (8-coil version, 5 min)Single lab: Published by one lab or group, not independently replicated5 min, 1.0 µT
murphy-shiva64-obe-lab, layout: custom, Saroka, Mulligan, Murphy & Persinger 2010 (Persinger's lab), 64-coil Shiva headset
Five minutes of the amygdala burst-firing signal circled over the whole head, after a single-case report from Persinger's lab in which a man reported an out-of-body experience shortly after 5 min in a 64-coil Shiva headset (Saroka, Mulligan, Murphy & Persinger 2010). This 8-coil version keeps the signal type, the duration and a rotation over both upper and lower head, not the 64-coil pattern.
Setting: The original was a laboratory session with EEG recording. Lie down in a dark, quiet room with eyes closed and someone present who can stop the session.
Schedule: One 5-min session; no repeat schedule was published. Keep at least a week between sessions, as Murphy advises for Shiva.
Coils: CH1 Fz, CH2 F7, CH3 C3, CH4 P7, CH5 Pz, CH6 P8, CH7 C4, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala burst-firing, whole-head rotation | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 2.31 s off, 3 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Persinger's lab reported one 27-year-old man who wore a headset of 64 coils that 'circled the same flickering magnetic fields around the entire head, and not just a circle around its edge' for 5 min with the amygdala burst-firing pattern. Shortly afterwards he described lightness, then 'floating'. The EEG showed excess theta and beta over the left temporal and right frontal regions with cross-hemispheric coherence. These details come from a press release and Murphy's blog; the paper (NeuroQuantology 8(4):466-477) was not available to the research. Left out: 64 coils cannot be copied with 8, and the 64-coil sequence, step times and field strength are unpublished. Here the 8 coils form two interleaved rings, a lower one (F7, P7, P8, F8) and an upper one around the vertex (Fz, C3, Pz, C4). The field steps counter-clockwise seen from above while alternating between them (Fz, F7, C3, P7, Pz, P8, C4, F8), so each turn covers both levels (an inference). The step time is Murphy's Shiva lecture example, 10 to 20 ms per coil in 2-ms steps. The amygdala signal is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s) once every 3 s. This combines burst-firing timings Persinger's lab published around then: 230 points every 3 s (with 4-ms points, Ryczko & Persinger 2002) and about 0.7 s every 3 s at 1 µT (Persinger, Hoang & Baker-Price 2009). The subject had anxiety, nausea and a headache afterwards: lie down, have someone present, and stop at once on anxiety, nausea or headache. This is a single uncontrolled case. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or prone to anxiety.
Aims at: left-amygdala, right-amygdala (field on the brain)
Sources:Saroka, Mulligan, Murphy & Persinger 2010, NeuroQuantology 8(4):466-477 (ResearchGate listing); PRLog press release (2012); Murphy blog: OBE in less than six minutes; Murphy, Psychic Skills & Miracles lecture; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2013 Shiva amygdaloid: CCW 100->240 ms, 4-s gaps (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-collins-2013-shiva-amygdaloid, layout: custom, Persinger lab, Laurentian University (Collins & Persinger 2013; Collins 2013 MA thesis), on Todd Murphy's 64-coil Shiva hat
The 20-min field condition of Collins & Persinger 2013: Shiva's "amygdaloid signal, normal speed" (289 points of 3 ms, then 4 s of silence) stepped counter-clockwise around the head, 100 ms on the left frontal position and 20 ms longer on each next one. Persinger's lab reported more out-of-body, "somewhere else" and presence experiences than in a sham group (5 vs 4 people) and no rise in temporal delta power.
Setting: Seated in a comfortable chair in a quiet, dark room (originally a shielded acoustic chamber), eyes closed for the whole 20 min. The lab took 30-s EEG samples before the field and at 5, 10, 15 and 20 min, and gave a 20-item exit questionnaire afterwards.
Schedule: One 20-min session in the original. For a self-test, use the app's Blind option so the helmet picks field or sham, and fill in the questionnaire before the result is revealed.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdaloid burst 289 x 3 ms, 4 s gap, CCW 100->240 ms | 20 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
Thesis method: a construction-worker hat from Todd Murphy with 8 columns of 8 solenoids at equal angles over the EEG cap, driven by Shiva Neural Stimulation Software 5E through four USB audio devices, each feeding two successive columns; 289 points of -5 to +5 V at 3 ms with 4000 ms between cycles; 100 ms on the left frontal column and "an additional 20 ms" on each next column counter-clockwise from the top (100 ... 240 ms, a 1.36-s turn); about 1 uT (10 mG) in the head. Here one coil stands for each column, on Murphy's Shiva ring starting at Fp1 (an inference; the column positions are not given). The amygdaloid file was never published; the built-in accelerating burst (6-30 Hz) on 289 points of 3 ms stands in, and the rotation runs continuously (how Shiva aligned burst and columns is not described). murphy-shiva-amygdala-simple-normal is Murphy's own version (230 points, 10-20 ms per coil); murphy-shiva64-obe-lab is the 5-min single case of Saroka et al. 2010. Results: 9 university volunteers aged 20-25 (5 field, 4 sham), told they might or might not get a field; field subjects endorsed 35 % vs 9 % of 20 exit-questionnaire items (t(7) = 3.11), with effect-size r of .58-.76 for presence, dizziness, terror or fear, leaving the body and being somewhere else; the sham group's temporal delta power rose over the 20 min while the field group's did not. Tiny sample, subjective endpoints, experimenter blinding not reported, never replicated; subjects sat in a dark chamber knowing a field might come, the setting in which Granqvist et al. tied such reports to suggestibility. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, headache, nausea or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-temporal-pole, right-temporal-pole (field on the brain)
Sources:Collins & Persinger 2013, Changing velocity circumcerebral magnetic fields produce altered state experiences and lowered delta-theta power over the temporal lobes, Review of Psychology Frontier 2(2):26-29; Collins 2013, Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 2; Saroka, Mulligan, Murphy & Persinger 2010, NeuroQuantology 8(4):466-477; Murphy, Shiva coil locations; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Out-of-body (right hemisphere, two coils)Anecdote: Personal reports only30 min, 1.0 µT
obe, layout: custom, Todd Murphy (8 Coil Shakti OBE recipe, modulated 40 Hz 'obe45' signal); target site after Blanke et al. 2002
Murphy's OBE recipe in its two-coil form: the 'modulated 40 Hz' (obe45) signal for 30 min through one coil in front of and below the right ear and one over the right angular gyrus, then sleep about an hour later. Murphy reports that most OBEs came while users fell asleep after a session; Blanke et al. 2002 evoked an OBE by electrical stimulation at the right angular gyrus.
Setting: Lie down in a dark, quiet room at night (Murphy: midnight to 4 am is best for experiences). Plan to go to sleep about 1 h (the obe45 page says about 90 min) after the session, with your OBE exercises.
Schedule: At most weekly (or every 72 h), never on consecutive days; six sessions, then a 21-day break.
Coils: CH5 FT10, CH6 P6
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, right ear and angular gyrus | 30 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Right side only |
Murphy's OBE page suggests 30-min sessions over the right hemisphere (temporal lobes, parietal lobes or the area behind them) with the hippocampal, the modulated 40 Hz or the chirp signal; his modulated 40 Hz (obe45) page adds the two-coil option used here, "one coil in front of and below the right ear, and one coil over the angular gyrus on the right side". FT10 and P6 are an inference from that wording; the other six channels stay silent. The obe45 file is proprietary; the vendor says it "has a constant tone" and that "the correct calibration will be 10mG for either channel, when measured from one coil" (10 mG = 1 uT, the default here). It is approximated by a 40 Hz carrier whose phase swings up to 3 rad ahead of and behind a steady 40 Hz every 2 s (pm pattern, 1-ms points). Blanke's effect came from milliamp currents on the cortex of one patient; weak-field effects at the angular gyrus are untested. Murphy says "there is no such thing as a pushbutton technology for OBEs" and expects them more often in 'right-hemispheric' people. Stop using the signal if you have trouble finding words; right-hemisphere-only sessions can bring fear or unease, so stop at once on distress. Not for people with epilepsy or a seizure history. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Aims at: right-angular-gyrus, right-tpj (field on the brain)
Sources:Murphy, Out of body experiences and the 8 Coil Shakti; Murphy, Shakti demo: Modulated 40 Hz (obe45); Murphy, Shakti demo: right angular gyrus; McTaggart interview with Murphy (2006); Blanke et al. 2002, Nature 419:269; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti OBE: chirp, right hemisphereAnecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-obe-chirp, layout: custom, Todd Murphy, 8 Coil Shakti OBE recipe
Murphy's OBE recipe for the 8 Coil Shakti with the chirp signal: 30 min over the right hemisphere, in front of and below the right ear and over the right angular gyrus, then sleep about an hour later. Murphy reports that most OBEs came during that later sleep.
Setting: Lie down in a dark, quiet room. Murphy reports that most OBEs came when users fell asleep about 1 h (or 90 min) after a session, so plan to go to sleep then and use your OBE exercises; he expects it to work more often in 'right-hemispheric' people.
Schedule: Vendor rules: at most once a week or every 72 h, never on consecutive days; a series of up to 6 sessions, then a 21-day break.
Coils: CH1 FT10, CH2 T10, CH3 TP8, CH4 CP6, CH5 P6, CH6 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, right hemisphere | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Right side only |
Murphy's placement: 'sessions over the right hemisphere (temporal lobes, parietal lobes or the area behind the parietal lobes)', or two coils, 'one coil in front of and below the right ear, and one coil over the angular gyrus on the right side'. Here six coils cover those two spots, FT10 and T10 in front of and below the right ear, TP8, CP6, P6 and P8 around the right angular gyrus (the site names are an inference); all six play together and channels 7-8 stay silent. 30 min, one phase. The Shakti 'modulated 40 Hz chirp' file is proprietary. Murphy relates it to a frequency-modulated pulse 'named for its designer' (taken here to be the Thomas pattern), so it is approximated by a sweep falling from 40 to 6 Hz on 3-ms points, 2.5 s on and 1.5 s off (837 points of 3 ms once every 4 s, after the published FM pattern); neither the 40 Hz modulation nor the build the vendor describes (frequency-modulated gaps, with amplitudes and gap lengths varied in Fibonacci steps) is reproduced. The vendor warns that the chirp can be 'very unpleasant over the right side'; stop if fear comes and do not make it an endurance test. The right angular gyrus is where Blanke et al. 2002 evoked an OBE with implanted electrodes at far higher currents; weak-field effects there are untested. Vendor cautions: word-finding trouble means stop using the signal, and 'There is no such thing as a pushbutton technology for OBEs.' Right-hemisphere-only sessions can bring fear or unease. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: right-angular-gyrus, right-tpj (field on the brain)
Sources:Murphy, Out of Body Experiences and the 8 Coil Shakti; Murphy, Shakti demo: Right angular gyrus; Murphy, Shakti demo: Modulated 40 Hz chirp signal; Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern, once every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3-ms points); Blanke et al. 2002, Nature 419:269; Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti OBE: hippocampal signal, right hemisphereAnecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-obe-hippocampus, layout: custom, Todd Murphy, 8 Coil Shakti OBE recipe
Murphy's OBE recipe for the 8 Coil Shakti with the hippocampal signal: 30 min over the right hemisphere, in front of and below the right ear and over the right angular gyrus, then sleep about an hour later. Murphy reports that most OBEs came during that later sleep.
Setting: Lie down in a dark, quiet room. Murphy reports that most OBEs came when users fell asleep about 1 h (or 90 min) after a session, so plan to go to sleep then and use your OBE exercises; he expects it to work more often in 'right-hemispheric' people.
Schedule: Vendor rules: at most once a week or every 72 h, never on consecutive days; a series of up to 6 sessions, then a 21-day break.
Coils: CH1 FT10, CH2 T10, CH3 TP8, CH4 CP6, CH5 P6, CH6 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal LTP, right hemisphere | 30 | Point table of 248, 3 ms per point, 4000 ms pause | Right side only |
Murphy's placement: 'sessions over the right hemisphere (temporal lobes, parietal lobes or the area behind the parietal lobes)', or two coils, 'one coil in front of and below the right ear, and one coil over the angular gyrus on the right side'. Here six coils cover those two spots, FT10 and T10 in front of and below the right ear, TP8, CP6, P6 and P8 around the right angular gyrus (the site names are an inference); all six play together and channels 7-8 stay silent. 30 min, one phase. Murphy names 'the hippocampal signals' without saying which version; the standard one is used. His preference for the hippocampal signal on the right goes back to one small Persinger-lab study (Persinger, Richards & Koren 1994: right-sided LTP-pattern fields were rated more pleasant). The hippocampal 'LTP' file is proprietary. It is approximated on the vendor's standard 3-ms points: 4 bursts of 4 biphasic pulses 9 ms apart, one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), then the standard 4 s of silence (about 9.4 s of field per minute; the vendor gives 9.6 s). The vendor reports headache or pressure in about 2% of users with hippocampal signals; if so, lower the intensity by one third. The right angular gyrus is where Blanke et al. 2002 evoked an OBE with implanted electrodes at far higher currents; weak-field effects there are untested. Vendor cautions: word-finding trouble means stop using the signal, and 'There is no such thing as a pushbutton technology for OBEs.' Right-hemisphere-only sessions can bring fear or unease. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: right-angular-gyrus, right-tpj, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Out of Body Experiences and the 8 Coil Shakti; Murphy, Shakti demo: Right angular gyrus; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Blanke et al. 2002, Nature 419:269; Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti OBE: modulated 40 Hz (obe45), right hemisphereAnecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-obe-mod40, layout: custom, Todd Murphy, 8 Coil Shakti OBE recipe
Murphy's OBE recipe for the 8 Coil Shakti with the 'modulated 40 Hz' (obe45) signal: 30 min over the right hemisphere, in front of and below the right ear and over the right angular gyrus, then sleep about an hour later. Murphy reports that most OBEs came during that later sleep.
Setting: Lie down in a dark, quiet room. Murphy reports that most OBEs came when users fell asleep about 1 h (or 90 min) after a session, so plan to go to sleep then and use your OBE exercises; he expects it to work more often in 'right-hemispheric' people.
Schedule: Vendor rules: at most once a week or every 72 h, never on consecutive days; a series of up to 6 sessions, then a 21-day break.
Coils: CH1 FT10, CH2 T10, CH3 TP8, CH4 CP6, CH5 P6, CH6 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, right hemisphere | 30 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Right side only |
Murphy's placement: 'sessions over the right hemisphere (temporal lobes, parietal lobes or the area behind the parietal lobes)', or two coils, 'one coil in front of and below the right ear, and one coil over the angular gyrus on the right side'. Here six coils cover those two spots, FT10 and T10 in front of and below the right ear, TP8, CP6, P6 and P8 around the right angular gyrus (the site names are an inference); all six play together and channels 7-8 stay silent. 30 min, one phase. The obe45 file is proprietary; the vendor says it 'has a constant tone' and that 'the correct calibration will be 10mG for either channel, when measured from one coil' (10 mG = 1 µT, the default here). It is approximated by a continuous 40 Hz carrier whose phase swings up to 3 rad ahead of and behind a steady 40 Hz every 2 s (about 38.5 to 41.5 Hz), in 1-ms points. The right angular gyrus is where Blanke et al. 2002 evoked an OBE with implanted electrodes at far higher currents; weak-field effects there are untested. Vendor cautions: word-finding trouble means stop using the signal, and 'There is no such thing as a pushbutton technology for OBEs.' Right-hemisphere-only sessions can bring fear or unease. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: right-angular-gyrus, right-tpj (field on the brain)
Sources:Murphy, Out of Body Experiences and the 8 Coil Shakti; Murphy, Shakti demo: Right angular gyrus; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Blanke et al. 2002, Nature 419:269; Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Remote viewing & telepathy 20
Halo pairs 300 km apart: 20->8 ms field, then no field (Burke 2013)Claim: Claimed by the author, lab or vendor; no controlled independent test12 min, 1.0 µT
persinger-burke-2013-halo-field-first, layout: custom, Persinger lab, Laurentian University (Burke, Gauthier, Rouleau & Persinger 2013), Arduino-driven toroid ('halo')
Burke, Gauthier, Rouleau & Persinger 2013: in two pairs 300 km apart, each person wearing a ring coil ('halo') above the ears, the stimulus partner received six 30-s sound and light trains first with a shared rotating field, then without it (230 points, delays shortening from 20 to 8 ms in 2-ms steps). Persinger's lab reported sLORETA changes in the distant response partners only with the field and only for the sounds.
Setting: Stimulus partner: seated, helmet on, receiving the six 30-s trains (sound at 6, 8 and 15 Hz, light at 7, 10 and 40 Hz), one per minute from the start of each phase, in a different order in the two phases. Response partner: elsewhere, second helmet running this program, EEG recorded throughout by someone who does not know which train is playing or which phase has the field.
Schedule: One session per pair; run half of the pairs with persinger-burke-2013-halo.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Field: 230 pts x 3 ms, delay 20->8 ms per coil, CCW | 6 | Accelerating burst 6 → 30 Hz, 0.69 s on, 0 s off, 3 ms points | Rotating counter-clockwise around all coils, 20 → 8 ms per coil (-2 ms steps) |
| 2 | No field: six stimulus trains to the partner | 6 | No output | All coils together |
Verified from the paper: 4 people (stimulus partners in Timmins, response partners in Sudbury, Ontario); 3 audio (6, 8, 15 Hz) and 3 light (7, 10, 40 Hz) trains from an iPhone 4, 30 s on and 30 s off, the no-field sequence using the same six in another order; the response partners' 19-channel QEEG recorded throughout by investigators not told which stimulus was playing; each halo 225 turns of 16-gauge wire on a 25.4-cm ring "just above the dorsal ear", driven by an Arduino Uno with "230 amplitude-modulated points (333 Hz, 1.45 Hz cycle)", about 1 uT, "phase modulated in 2 ms increments (20 ms delay to 8 ms delay) such that an increase in angular velocity occurred"; field and no-field order counterbalanced across the two pairs (persinger-burke-2013-halo runs the other order). This helmet has no toroid: its eight coils point into the head, while a toroid's field runs around the ring, so the field geometry is not reproduced. How the Arduino combined the 230 points with the delays is not described; here the seven delays (20, 18 ... 8 ms) become the time on each coil of a counter-clockwise ring rotation, as in the lab's 8-solenoid rings, whose "angular velocity" language the paper keeps; with seven delays on eight coils, the 20-ms step falls one coil earlier on each pass (Fp1, then Fp2, then FT8 ...). The 230 point values were never published; the built-in accelerating burst stands in, 230 points of 3 ms repeated back to back (690 ms, 1.45 Hz). Ring sites Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2. Both partners' helmets run this program; the lab kept time by cell phone and synchronised stopwatches. Light flashes can trigger seizures in susceptible people. n = 4; many sLORETA voxel and band comparisons reported at p < 0.001 with no correction described; later papers give the distance as 400 km; published in JCER; never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Do not use results for decisions about real people. Nobody with epilepsy, a seizure history or photosensitivity should take part in either role.
Aims at: left-dlpfc, left-superior-temporal-gyrus-posterior, lateral-orbitofrontal-cortex (field on the brain)
Sources:Burke, Gauthier, Rouleau & Persinger 2013, Experimental demonstration of potential entanglement of brain activity over 300 km ..., J Conscious Explor Res 4(1):35-44; Rouleau & Persinger 2015, J Electromagn Anal Appl 7(2) (later description of the toroid protocol, 400 km); Scott et al. 2015, J Conscious Explor Res 6(9):658-684 (toroid build: 225 turns on a 25.4-cm ring); Dotta & Persinger 2012, "Doubling" of local photon emissions when two simultaneous, spatially-separated, chemiluminescent reactions share the same magnetic field configurations, J Biophys Chem 3:72-80 (859- and 230-point patterns at 1 ms; primer/effector order); Juden-Kelly, Dotta, Vares & Persinger 2015, JCER 6(9):728-737 (Burst-X: 230 points); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file); Persinger & Lavallee 2010, Theoretical and experimental evidence of macroscopic entanglement between human brain activity and photon emissions, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Halo pairs 300 km apart: no field, then 20->8 ms field (Burke 2013)Claim: Claimed by the author, lab or vendor; no controlled independent test12 min, 1.0 µT
persinger-burke-2013-halo, layout: custom, Persinger lab, Laurentian University (Burke, Gauthier, Rouleau & Persinger 2013), Arduino-driven toroid ('halo')
Burke, Gauthier, Rouleau & Persinger 2013: in two pairs 300 km apart, each person wearing a ring coil ('halo') above the ears, the stimulus partner received six 30-s sound and light trains first without the field, then with a shared rotating field (230 points, delays shortening from 20 to 8 ms in 2-ms steps). Persinger's lab reported sLORETA changes in the distant response partners only with the field and only for the sounds.
Setting: Stimulus partner: seated, helmet on, receiving the six 30-s trains (sound at 6, 8 and 15 Hz, light at 7, 10 and 40 Hz), one per minute from the start of each phase, in a different order in the two phases. Response partner: elsewhere, second helmet running this program, EEG recorded throughout by someone who does not know which train is playing or which phase has the field.
Schedule: One session per pair; run half of the pairs with persinger-burke-2013-halo-field-first.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | No field: six stimulus trains to the partner | 6 | No output | All coils together |
| 2 | Field: 230 pts x 3 ms, delay 20->8 ms per coil, CCW | 6 | Accelerating burst 6 → 30 Hz, 0.69 s on, 0 s off, 3 ms points | Rotating counter-clockwise around all coils, 20 → 8 ms per coil (-2 ms steps) |
Verified from the paper: 4 people (stimulus partners in Timmins, response partners in Sudbury, Ontario); 3 audio (6, 8, 15 Hz) and 3 light (7, 10, 40 Hz) trains from an iPhone 4, 30 s on and 30 s off, the no-field sequence using the same six in another order; the response partners' 19-channel QEEG recorded throughout by investigators not told which stimulus was playing; each halo 225 turns of 16-gauge wire on a 25.4-cm ring "just above the dorsal ear", driven by an Arduino Uno with "230 amplitude-modulated points (333 Hz, 1.45 Hz cycle)", about 1 uT, "phase modulated in 2 ms increments (20 ms delay to 8 ms delay) such that an increase in angular velocity occurred"; field and no-field order counterbalanced across the two pairs (persinger-burke-2013-halo-field-first runs the other order). This helmet has no toroid: its eight coils point into the head, while a toroid's field runs around the ring, so the field geometry is not reproduced. How the Arduino combined the 230 points with the delays is not described; here the seven delays (20, 18 ... 8 ms) become the time on each coil of a counter-clockwise ring rotation, as in the lab's 8-solenoid rings, whose "angular velocity" language the paper keeps; with seven delays on eight coils, the 20-ms step falls one coil earlier on each pass (Fp1, then Fp2, then FT8 ...). The 230 point values were never published; the built-in accelerating burst stands in, 230 points of 3 ms repeated back to back (690 ms, 1.45 Hz). Ring sites Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2. Both partners' helmets run this program; the lab kept time by cell phone and synchronised stopwatches. Light flashes can trigger seizures in susceptible people. n = 4; many sLORETA voxel and band comparisons reported at p < 0.001 with no correction described; later papers give the distance as 400 km; published in JCER; never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Do not use results for decisions about real people. Nobody with epilepsy, a seizure history or photosensitivity should take part in either role.
Aims at: left-dlpfc, left-superior-temporal-gyrus-posterior, lateral-orbitofrontal-cortex (field on the brain)
Sources:Burke, Gauthier, Rouleau & Persinger 2013, Experimental demonstration of potential entanglement of brain activity over 300 km ..., J Conscious Explor Res 4(1):35-44; Rouleau & Persinger 2015, J Electromagn Anal Appl 7(2) (later description of the toroid protocol, 400 km); Scott et al. 2015, J Conscious Explor Res 6(9):658-684 (toroid build: 225 turns on a 25.4-cm ring); Dotta & Persinger 2012, "Doubling" of local photon emissions when two simultaneous, spatially-separated, chemiluminescent reactions share the same magnetic field configurations, J Biophys Chem 3:72-80 (859- and 230-point patterns at 1 ms; primer/effector order); Juden-Kelly, Dotta, Vares & Persinger 2015, JCER 6(9):728-737 (Burst-X: 230 points); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file); Persinger & Lavallee 2010, Theoretical and experimental evidence of macroscopic entanglement between human brain activity and photon emissions, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Harribance: equal bilateral LTP, 20-s rotation, alternating with no fieldSingle lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-harribance-ltp-20s, layout: custom, Persinger & Koren lab (Laurentian University), later Koren Helmet trials with the psychic Sean Harribance, reported in Persinger 2010
A later Harribance series from Persinger's lab: the same LTP pattern at equal strength on both sides over the parietotemporal regions, stepping around the four coil pairs once every 20 s instead of every 2 s, here alternated with no-field blocks. Persinger reported that it cut Harribance's alpha rhythm to 25-30% of baseline and the rated accuracy of his readings by about 20% (one subject).
Setting: Seated, eyes closed or blindfolded, in a quiet, dark room. In each block, describe a hidden photograph that someone else picked at random, and have a third person rate the descriptions against the photographs without knowing which blocks had the field (use the app's Blind option).
Schedule: Several trials with one subject in the original; their number and spacing are not given.
Coils: CH1 T7, CH2 C5, CH3 CP5, CH4 TP7, CH5 T8, CH6 C6, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | No field 1 (baseline) | 5 | No output | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 5000 ms per coil |
| 2 | LTP 1: equal both sides, 4 pairs x 5 s (20-s turn) | 5 | Point table of 200, 1 ms per point | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 5000 ms per coil |
| 3 | No field 2 (baseline) | 5 | No output | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 5000 ms per coil |
| 4 | LTP 2: equal both sides, 4 pairs x 5 s (20-s turn) | 5 | Point table of 200, 1 ms per point | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 5000 ms per coil |
| 5 | No field 3 (baseline) | 5 | No output | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 5000 ms per coil |
| 6 | LTP 3: equal both sides, 4 pairs x 5 s (20-s turn) | 5 | Point table of 200, 1 ms per point | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 5000 ms per coil |
Persinger 2010 (p. 454) reports that in several later trials the same LTP pattern, applied at equal strength over both parietotemporal regions with one complete rotation taking 20 s instead of 2 s, lowered his alpha rhythm to 25-30% of baseline and his accuracy, as rated by others, by about 20%. The number and length of trials are not given, so this program alternates three 5-min no-field and LTP blocks (an assumption) so field and no-field periods can be compared. Persinger 2010 describes the Koren Helmet as four pairs of solenoids "arranged in an elliptical pattern at the level of temporoparietal region", fed by a commutator that sends the pattern to each of the four pairs in turn (0.5 s each in the first series); Persinger & Murphy 2016 add that one solenoid on the left and one on the right are on at any moment. The fields were "weak (1 uT)". Here each side carries four coils on a small ellipse over the temporoparietal region (T7, C5, CP5, TP7 and T8, C6, CP6, TP8), stepped in mirror image; the exact positions and stepping order are not published. Equal strength on both sides, 5 s per pair. LTP is described as "a single pulse followed about 170 msec later by 4 pulses in rapid succession with a functional frequency of between 100 and 200 Hz"; it is built as 1-ms positive pulses at 0, 170, 175, 180 and 185 ms, repeating every 200 ms. The repetition rate is not given; 5 per second follows the lab's "1 s pulse of 5 trains" LTP field (Delparte & Persinger 2007). The 200-Hz spacing (the top of the stated range, which keeps the next primer 15 ms clear of the burst), the polarity, the 1-ms points and the repetition rate are assumptions; the project's primed generator instead uses the 150-ms primer interval of a later Shiva LTP file (Corradini 2014) with 100-Hz pulses. The "Harribance configuration" of Persinger & Saroka 2012 is his own digitised EEG and is not part of this program. One subject, unblinded, a reported reduction rather than a gain; it is most useful as a comparison condition for persinger-harribance-koren-2s. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-tpj, left-tpj, right-hippocampus-body, left-hippocampus-body (field on the brain)
Sources:Persinger 2010, The Harribance effect as pervasive out-of-body experiences, NeuroQuantology 8(4):444-465, pp. 448-449 and 454; Persinger & Murphy 2016, Neuroscience & Medicine 7:27-44 (Koren Helmet: four left-right solenoid pairs, 0.5 s each, 2-s cycle); Persinger & Saroka 2012, Protracted parahippocampal activity associated with Sean Harribance, Int J Yoga 5:140-145; Delparte & Persinger 2007, Int J Neurosci 117:295-299 (LTP field as "1 s pulse of 5 trains"); Corradini 2014, MA thesis, Laurentian University (primed-burst LTP file); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Lehman 2016 gamer pairs: Thomas 20+2, then Burst-X 20-2 (22 min)Claim: Claimed by the author, lab or vendor; no controlled independent test22 min, 1.5 µT
persinger-lehman-2016-gamer-pairs, layout: custom, Persinger lab, Laurentian University (Lehman 2016, MSc thesis, ch. 4), 8-solenoid circumcerebral ring
Lehman's 22-min gamer-pair session: 4 min without field, 6 min of the Thomas pulse rotated counter-clockwise on an accelerating schedule (20, 18 ... 6 ms per coil), 8 min of the Burst-X pattern on a decelerating schedule (20, 22 ... 34 ms), then 4 min without field, in step with 2-min video-game runs. Persinger's lab used it to look for "excess correlation" between the scores of two players 10 m apart sharing the same field.
Setting: Two players, each wearing a helmet running this program, started together (the original drove both rings from one Intel 286 computer). Each sits with a laptop on the lap, facing north or south, one in a shielded acoustic chamber (Faraday cage) and one in a darkened room 10 m away, playing Super Hexagon on "hard". An assistant calls a new run every 2 min (every 30 s for novices); the player calls out the run time after each death and forces a death at 2 min.
Schedule: One 22-min session per trial (pairs ran 1-4 trials). Lehman's control pairs played the same session with no field; for a self-test use the app's Blind option and fix the comparison in advance.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Runs 1-2: baseline, no field | 4 | No output | All coils together |
| 2 | Runs 3-5: Thomas 1 ms, CCW 20->6 ms/coil (20+2) | 6 | Point table of 849, 1 ms per point | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 3 | Runs 6-9: Burst-X 1 ms, CCW 20->34 ms/coil (20-2) | 8 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 4 | Runs 10-11: baseline, no field | 4 | No output | All coils together |
Thesis structure: 11 two-minute runs of the game Super Hexagon (2 baseline, 3 "accelerating", 4 "decelerating", 2 baseline). The methods name only accelerating and decelerating runs; Lehman's run labels (T1 first, B4 last), his discussion (the Thomas "primer" inside an accelerating angular velocity, then the "effector" inside a decelerating one) and the identical scheme of Juden-Kelly et al. 2015 put the Thomas pulse in the accelerating rotation "20+2" (20, 18 ... 6 ms per solenoid) and Burst-X in the decelerating "20-2" (20, 22 ... 34 ms; 216 ms, 4.6 turns/s). Coil 1 sits over the left prefrontal region, counter-clockwise seen from above: Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 (an inference; the thesis names no electrode sites). Points last 1 ms, the timebase of the lab system and the value in Juden-Kelly 2015 and Dotta & Persinger 2012, whose method Lehman cites; the patterns repeat back to back (no interval is given). Thomas: the exact 849-point patent table (Juden-Kelly gives 839 points). Burst-X: 230 points (Juden-Kelly) whose values were never published, approximated by the built-in accelerating burst, the 6-30 Hz stand-in for the 3-ms version replayed at 1 ms (18-90 Hz). The field was 1-5 uT inside each solenoid, 1-2 uT on average; 1.5 uT here. Lehman (7 men) found no field vs no-field difference in raw or z-scored run times for all players combined; experienced players in the field group scored higher during Burst-X (F(3,32) = 4.58, p = .01) but also lower in the pre-field baseline, before any field was on, and his abstract says the pairs' correlation "was diminished" when the fields were on. Thesis data, tiny sample, never replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Sources:Lehman 2016, Interaction between virtual (computer gaming) environments, brain activity, and the Schumann resonance as the next evolutionary step in adaptation: Teilhard de Chardin's noosphere, MSc thesis (Biology), Laurentian University, ch. 4; Juden-Kelly, Dotta, Vares & Persinger 2015, J Conscious Explor Res 6(9):728-737 (Thomas primer at 20+2, Burst-X effector at 20-2, 1-ms points); Dotta & Persinger 2012, J Biophys Chem 3:72-80; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse values); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Paired siblings 2003: stimulus person, six counter-clockwise patternsSingle lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-siblings-2003-stimulus, layout: custom, Persinger, Koren & Tsang 2003 (Laurentian University), circumcerebral "Octopus" ring; pattern table from the follow-up with strangers (Persinger, Tsang, Booth & Koren 2008)
The helmet program for the stimulus person in Persinger's paired-sibling study: six circumcerebral patterns of 5 min each, rotated counter-clockwise, while this person imagines being with the partner, who sits unexposed with EEG in another room. Persinger's lab reported more 5-6 Hz EEG power in the partner during one of the patterns (four sibling pairs).
Setting: Stimulus person: seated, eyes closed or blindfolded, in a closed, quiet room (the lab used a Faraday cage), imagining being in the other room with the partner and touching him or her. Partner: blindfolded in another room 5 or 10 m away, with 8-channel EEG over the frontal, temporal, parietal and occipital lobes (for example F7, F8, T7, T8, P3, P4, O1, O2); a 20-s baseline, then a 20-s sample during each pattern, scored by someone who does not know which pattern ran.
Schedule: Siblings: two sessions a week apart. Strangers (2008): first meet for 1 h twice a week for 4 weeks.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | BF1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (20+2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | BF2 burst 1 ms pts, 2 ms gap, 100->240 ms/coil (100+20) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | BF3 burst 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 4 | FM1 Thomas 1 ms pts, 1 ms gap, 20->6 ms/coil (20-2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 5 | FM2 Thomas 2 ms pts, 1 ms gap, 100->240 ms/coil (100+20) | 5 | Point table of 849, 2 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | FM3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
Only the stimulus person wears the helmet; the partner (response person) wears EEG electrodes, blindfolded, 5 or 10 m away in another room. The 2003 abstract names the effective pattern "100 msec. with changes in rate of 20 msec." and Persinger & Lavallee 2010 call it "20+2"; both match rows of the lab's six-pattern battery. The table used here is Table 1 of Persinger, Tsang, Booth & Koren 2008, whose stranger pairs went through the sibling study's procedures (Persinger & Lavallee 2010). The project could not open that paper, so the table comes secondhand and is unverified; the verified Table 1 of the Swann paper (persinger-swann-2002-table1) differs in BF2's 1-ms gap, FM2's 1-ms points and FM1's sign (+2 there, while this table reportedly prints -2). This program plays the table in its order, 5 min each (in 2008 half the stimulus persons got the reverse order): BF1 1 ms / 1 ms / 20 ms / +2, BF2 1 / 2 / 100 / +20, BF3 3 / 3000 / 200 / -2, FM1 1 / 1 / 20 / -2, FM2 2 / 1 / 100 / +20, FM3 3 / 3000 / 200 / -2 (point duration / gap between pattern repeats / time on coil 1 / change per coil). FM1 is played as printed. The signs are read literally, + longer and - shorter at each next coil: BF1 runs 20 to 34 ms, the +20 rows 100 to 240 ms, the 200-ms rows 200 to 186 ms and FM1 20 to 6 ms, which is what the same paper's results ("20 msec (+2 msec)") mean in the lab's later notation. Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms for BF1, 20 to 34 ms for FM1 and 200 to 214 ms for the 200-ms rows; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, Cook 1999's full turns of about 200 to 2000 ms fit it better (216 ms per turn at 20 to 34 ms, 104 ms at 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Ring: eight coils 45 degrees apart on the 10% line, coil 1 over the left frontal region, coil 2 at the left fronto-temporal junction and coil 8 over the right prefrontal region, counter-clockwise seen from above (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2, an inference since the lab names no electrode sites. The Thomas (frequency-modulated) pulse plays from its exact 849-point table; the burst-firing point values were never published, so the built-in accelerating burst stands in (230 points, 6 -> 30 Hz at 3 ms per point and three times faster at 1 ms). Intensity "1 microTesla range" (2003). As reported: in the siblings, 5.0-6.0 Hz power rose over the partner's frontal and occipital lobes during one pattern (the 2010 retelling says right parietal, with left-sided sensed presences); in four pairs of strangers who had first met for 1 h twice a week for 4 weeks, theta rose mainly over the partners' temporal lobes, slightly more on the right, with the 20+2 field, and the partners reported sensed presences, anger and sexual arousal (2008, as retold by Persinger & Lavallee 2010). Four pairs per study, no sham condition described, no documented blinding of the field schedule, and the papers disagree on which pattern and which lobes: treat it as an unreplicated psi claim. It plays the same six fields as persinger-six-config-battery-2008 (one person, 5 uT) and differs from telepathy-sender (a reconstruction after Murphy's Shiva sessions). Both partners must know about and agree to the experiment; stop if either becomes distressed. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: lateral-orbitofrontal-cortex, left-temporal-pole, right-temporal-pole, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, primary-visual-cortex (field on the brain)
Sources:Persinger, Koren & Tsang 2003, Enhanced power within a specific band of theta activity in one person while another receives circumcerebral pulsed magnetic fields, Percept Mot Skills 97:877-894; Persinger, Tsang, Booth & Koren 2008, Enhanced power within a predicted narrow band of theta activity during stimulation of another by circumcerebral weak magnetic fields after weekly spatial proximity, NeuroQuantology 6(1):7-21 (Table 1, six patterns; not re-checked); Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927-949 (verified Table 1 of the same battery); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (the "20+2" notation; coil 1 left frontal, coil 8 right prefrontal; sibling study retold); Richards, Koren & Persinger 2002, Percept Mot Skills 95:671-686; Lehman 2016, MSc thesis, Laurentian University, pp. 56-57 ("20-2" = 20, 22 ... 34 ms; counter-clockwise standard); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Dotta & Persinger 2012, J Biophys Chem 3:72-80 (230-point increasing-frequency pattern at 1 ms); Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Paranormal Shakti on-site: hippocampal signal, 8-coil crossClaim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-paranormal-shakti-onsite-hippocampus, layout: custom, Todd Murphy (Paranormal Shakti software, retired)
The on-site hippocampus session of Murphy's retired Paranormal Shakti (about 2012-2015), which the vendor offered to investigators for 'intuitive perceptions' at a site: 30 min of the hippocampal signal alternating between the two stereo channels of a 4-coil cross on each temporal lobe.
Setting: On site during an investigation, at a time of geomagnetic quiet (vendor).
Schedule: Vendor: after 6 temporal sessions, do 3 frontal ones (murphy-paranormal-shakti-frontal), but not in the 3 days before an investigation, because it says the frontal session lowers sensitivity. The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal signal, vertical and horizontal pairs in turn | 30 | Point table of 248, 3 ms per point, 8744 ms pause + Point table of 1829, 3 ms per point, 4001 ms pause | All coils together, weighted + All coils together, weighted |
Coils form a cross on each temporal lobe: FT7 (front), C5 (top), TP7 (back) and T9 (bottom) on the left, FT8, C6, TP8 and T10 on the right; the sites are an inference from the vendor's description. Following 'begin with the left channel vertical and the right channel horizontal', track 1 (the left stereo channel) drives the top and bottom coils (C5, T9, C6, T10) and track 2 (the right channel) the front and back coils (FT7, TP7, FT8, TP8). The signal alternates between the two groups slowly, one whole signal per switch with about 4 s of silence in between; the Paranormal Shakti pages give no alternation speed, and the 8 Coil Shakti's 'fast' mode (a switch every half-second), which its pages say 'emerged as the most effective' in the original developers' lab tests, is not used. Polarity follows the 8 Coil Shakti coil chart (the Paranormal Shakti pages do not repeat it): each pair is one + and one - coil, so C5 (top) and FT7 (front) on the left and T10 (bottom) and TP8 (back) on the right get the reversed signal (weight -1), while T9, TP7, C6 and FT8 get it as is. The hippocampal ('LTP') file is proprietary; it is approximated by the point table of the project's other 8 Coil Shakti hippocampal sessions: four theta bursts, each of 4 biphasic pulses 9 ms apart (about 110 Hz, the nearest the Shakti's 3-ms points allow to the 100 Hz of Larson & Lynch's theta bursts), one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), 0.74 s per train. The vendor also describes the cross 'raised up' above the temporo-parietal region. The vendor reports headache or pressure in about 2% of users of an earlier version of its signals, mostly with hippocampal signals, and advises lowering the intensity by one-third if it happens. Experiences during or after such a session are not evidence about the site. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). The product is retired; this file is of historical interest. Not for people with epilepsy; stop at once on fear or distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Paranormal Shakti: on-site sessions (Wayback, 2013); Murphy, Paranormal Shakti: hippocampus session (Wayback, 2013); Murphy, Paranormal Shakti: the procedure (Wayback, 2013); Murphy, Paranormal Shakti: frontal lobe session (Wayback, 2013); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety - how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Persinger-Swann 1998: six circumcerebral configurations (CCW)Single lab: Published by one lab or group, not independently replicated30 min, 2.0 µT
military-p06-persinger-swann-1998, layout: custom, Persinger, Roll, Tiller, Koren & Cook (Laurentian University), using the lab's standard circumcerebral protocol (Cook et al. 1999); given once to the former SRI remote viewer Ingo Swann during his 11-14 August 1998 lab visit
The 30-min exposure that Persinger's lab gave Ingo Swann before his remote-viewing trials: six 5-min counter-clockwise rotations around the head, three with a burst-firing pattern and three with the frequency-modulated 'Thomas' pattern, using the point durations, gaps and per-coil step times of the paper's Table 1. Persinger et al. (2002) report that the fields altered Swann's experiences; this is one subject in one lab.
Setting: Blindfolded, in a comfortable chair in a quiet, dark room (Swann sat in an acoustic chamber and his reports were recorded by lapel microphone). Remote-viewing trials followed on later days: 4-6 hidden targets per session, about 2-3 min of drawing each, with EEG at F7, F8, T7, T8, O1 and O2.
Schedule: One exposure in the original, with remote-viewing trials on the following days. For a self-test, randomise active and sham sessions blind and have the trials judged blind.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | B1 Burst-firing: 1 ms points, 1 ms gap, 20-34 ms per coil | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | B2 Burst-firing: 3 ms points, 1 ms gap, 100-240 ms per coil | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 0 s off, 3 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | B3 Burst-firing: 1 ms points, 3 s gap, 200-186 ms per coil | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 3 s off, 1 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 4 | T1 Thomas: 1 ms points, 1 ms gap, 20-34 ms per coil | 5 | Decelerating 75 → 18 Hz, 0.84 s, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 5 | T2 Thomas: 3 ms points, 1 ms gap, 100-240 ms per coil | 5 | Decelerating 25 → 6 Hz, 2.51 s, 3 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | T3 Thomas: 1 ms points, 3 s gap, 200-186 ms per coil | 5 | Decelerating 75 → 18 Hz, 0.84 s, 1 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
Persinger et al. (2002) placed eight equally spaced solenoids in the horizontal plane 'between the midforehead and above the ears'; the ring Fpz, F7, T7, P7, Oz, P8, T8, F8 approximates it (the lab plane may sit slightly higher above the ears). The field steps counter-clockwise seen from above, one coil at a time with abrupt switching, in six configurations of 5 min (B1-B3 burst-firing, T1-T3 Thomas). Table 1 is mapped as follows: pixel duration = time per point; interstimulus time = silence after each pattern; commutator rate = dwell on the first coil; change in rate = added at each following coil of a rotation, which then starts again. Tsang et al. (2004) describe the same lab's change as applied to each of the other 7 solenoids but, like Persinger & Lavallee (2010), use '+' to mean shorter, which would give 20 to 6 ms and 200 to 214 ms here. The signs are read literally instead (+ longer, - shorter), giving 20 to 34 ms, 100 to 240 ms and 200 down to 186 ms per coil, because 100 ms minus 7 x 20 ms would be negative, Cook et al. (1999), the standard protocol the paper cites, report full turns of about 200 to 2000 ms (216 ms per turn here, 104 ms for 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published, so this mapping is an interpretation. Configuration 6's pixel duration is missing in the scan and is taken as 1 ms. The burst-firing and Thomas point files are not published, so built-ins stand in for them, keeping the published point counts: an accelerating burst of 230 points (Ryczko & Persinger 2002) sweeping 6 to 30 Hz at 3 ms per point (690 ms), and the built-in decelerating Thomas sweep, 25 to 6 Hz over 837 points (Dixon & Persinger 2001) at 3 ms per point (2511 ms). At 1 ms per point the same points play three times faster (230 ms at 18 to 90 Hz; 837 ms at 75 to 18 Hz), as a shorter pixel duration does with a fixed point file. The Lawson Cnp table (cnp generator; US 6,234,953, Persinger co-inventor) is another candidate for the Thomas pattern, but the research did not confirm it was the file used. The paper gives 2-5 uT, so the default is the low end, 2 uT; do not go above 5 uT. Persinger's lab reported that Swann felt 'floating in and out of his body' during configuration 4, and pressure in his ear with a marked suppression of his usual remote-viewing imagery during configuration 5. They also reported that his accuracy in trials on later days correlated with occipital 7 Hz spike-and-slow-wave activity. These are one subject, an unblinded exposure and post-hoc correlations, with no independent replication. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). The remote-viewing trials are left out of this file; run them blind with the app's photo-target trial guide, with a blinded sham session for comparison. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on headache, nausea or dissociation. Do not use results for decisions about real people, places or money.
Aims at: primary-visual-cortex, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger, Roll, Tiller, Koren & Cook 2002, Remote viewing with the artist Ingo Swann, Percept Mot Skills 94:927-949 (full text scan) [2]; Cook, Koren & Persinger 1999, Neurosci Lett 268:61; Tsang, Koren & Persinger 2004, Int J Neurosci 114:1183; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Dixon & Persinger 2001, Int J Neurosci 108:87; Tiller & Persinger 2002, Percept Mot Skills 94:26; CIA, SRI Studies in Remote Viewing: A Program Review; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 ("20+2" notation); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Remote viewing (Octopus ring, CCW chirp 10->20 ms)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
remote-viewing, layout: Circumcerebral ring ("Octopus"), Todd Murphy (his description of the psi signal and timing of Persinger's circumcerebral 'Octopus' and his Shiva replica); ring placement after the Persinger-lab Octopus
Murphy's psi configuration for the circumcerebral Shiva/Octopus: the chirp signal, which he chose for psi, rotating counter-clockwise around an eight-coil ring with the time over each coil growing 10, 12 ... 20 ms and then starting again (about 8 turns a second), for 30 min. It is not the session Persinger's lab gave Ingo Swann; follow it with a blinded trial in the Trials tab.
Setting: Blindfolded, seated or reclined in a quiet room; Murphy says daydreaming is better than meditating during Shiva sessions. For perception during the session he advises geomagnetic quiet (K 0-2); for skill training, run it at K 4 and practise a few days later. Swann's later trials used 4-6 hidden targets per session with about 2-3 min of drawing each.
Schedule: At most weekly (Murphy's rule for Shiva sessions); six sessions, then a 21-day break.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | CCW chirp, 10->20 ms per coil | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Murphy's lecture gives the steps as 10, 12, 14, 16, 18 and 20 ms "with the length of time over each area increasing", and the Shiva pages say the speed changes by a few milliseconds from one coil pair to the next, "usually around 9 times per second"; here the dwell grows by 2 ms at every coil (one turn about 0.11-0.12 s). No Shiva dwell table is published, so the exact steps are an inference. The ring Fpz, F7, T7, P7, Oz, P8, T8, F8 approximates the lab Octopus, eight solenoids in the plane between the mid-forehead and above the ears, stepping counter-clockwise seen from above (front to back on the left, back to front on the right). Murphy's Shiva instead starts over the left frontal area and avoids coils over the nose, the inion and directly above the ears (about Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; the site names are an inference); to copy it, use a custom placement with those sites in that order. The Shiva "modulated 40 Hz chirp" is proprietary, and Murphy describes it two ways: his lab-sessions page says it "does not change in tone, but rather has longer and longer gaps between sections of the signal as they travel around your head", while his chirp page shows a classical chirp whose frequency gets lower. It is approximated by a sweep falling from 40 to 6 Hz on 3-ms points, 2.5 s on and 1.5 s off. Murphy advises using the chirp on its own only after other Shiva sessions. 30 min is one of the Shiva session lengths (20, 30 or 60 min). Corrected: Persinger's lab gave Swann (Persinger et al. 2002, Table 1, read from a scan) one 30-min session of six 5-min configurations, three burst-firing and three frequency-modulated (Thomas), rotated counter-clockwise at 2-5 uT, with 20, 100 and 200 ms on the first coil and changes of +2, +20 and -2 ms per coil (signs as printed; their direction is ambiguous), 1- or 3-ms points and 1-ms or 3-s gaps between repeats; the remote-viewing trials came on later days. persinger-swann-2002-table1 runs that table. Murphy writes that Swann's clear remote viewing came during the final phase. Swann's accuracy correlated with occipital 7-Hz spike-and-slow-wave activity (rho = .50; one subject, no sham), and the paper does not test whether the fields changed accuracy; Murphy places psi in right-hemisphere hippocampal theta. The Octopus psi results have no independent replication, and independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Don't use results for decisions about real people, places or money. Not for people with epilepsy; stop on distress.
Aims at: primary-visual-cortex, right-hippocampus-body (field on the brain)
Sources:Murphy, Psychic Skills lecture [2] [3]; Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Shiva Neural System for psychic skills (basic explanation); Murphy, Shiva coil locations; Murphy, Staying safe with Shiva; Murphy, Shiva chirp signal (a classical chirp whose frequency falls); Murphy, Shiva: sessions used in lab experiments (Published Studies session; the chirp "does not change in tone"); Murphy, Shiva and the Earth's magnetic field; Persinger, Roll, Tiller, Koren & Cook 2002, Remote viewing with the artist Ingo Swann, Percept Mot Skills 94:927-949 (Table 1: six circumcerebral configurations) (full-text scan) [2]; AIR 1995, An evaluation of remote viewing (Utts appendix: SRI/SAIC blind rank-order judging); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Scott 2015 trans-Atlantic pairs: toroid primer/effector (42 min)Claim: Claimed by the author, lab or vendor; no controlled independent test42 min, 0.1 µT
persinger-scott-2015-transatlantic, layout: custom, Persinger lab, Laurentian University (Scott, Rouleau, Lehman, Tessaro, Juden-Kelly, Saroka & Persinger 2015), Arduino-driven toroid
The 42-min send/receive paradigm of Scott et al. 2015: from minute 11, a 6-min primer of seven 3-ms pulses whose gaps lengthen from 20 to 32 ms, then a 14-min effector whose gaps shorten from 20 to 6 ms, stepped counter-clockwise around the head. Persinger's lab reported excess correlation of right-hemisphere theta-gamma power between five pairs of people more than 6000 km apart during the effector.
Setting: Both partners wear a helmet running this program, started within 1 s of each other (the original pairs began at agreed UTC times, 16:00-19:00 UTC in June 2015). Each sits still in a comfortable chair, eyes closed except for the eyes-open baselines. Cues come from a separate player, not the helmet: at each 1-min rest one partner hears a 220 Hz tone pulsed at 6.5 Hz and the other a single tone then silence (swapped every trial); then 2 min "send" and 2 min "receive" (imagine sending or receiving white light), Group A sending first while Group B receives. Both filled in the Profile of Mood States before and after.
Schedule: One session per pair in the original. For a self-test, decide the EEG comparison in advance and also run a blinded sham session (the app's Blind option) on another day.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Baseline: eyes open (no field) | 3 | No output | All coils together |
| 2 | Baseline: eyes closed (no field) | 3 | No output | All coils together |
| 3 | Trial 1, no field: rest 1, S-R 2, R-S 2 min | 5 | No output | All coils together |
| 4 | Primer, min 11-17 (trial 2): 7 pulses, gaps 20->32 ms, CCW | 6 | Point table of 203, 1 ms per point | Rotating counter-clockwise around all coils, 23 → 35 ms per coil (+2 ms steps) |
| 5 | Effector, min 17-31 (trials 3-5): 8 pulses, gaps 20->6 ms | 14 | Point table of 128, 1 ms per point | Rotating counter-clockwise around all coils, 23 → 9 ms per coil (-2 ms steps) |
| 6 | Trial 6, no field: rest 1, S-R 2, R-S 2 min | 5 | No output | All coils together |
| 7 | Post baseline: eyes closed (no field) | 3 | No output | All coils together |
| 8 | Post baseline: eyes open (no field) | 3 | No output | All coils together |
Timeline (22 segments): 3 min eyes open, 3 min eyes closed, six trials of 1 min rest, 2 min send/receive and 2 min receive/send, then 3 min eyes closed and 3 min eyes open. The field runs from minute 11 to 31 (trial 2 under the primer, trials 3-5 under the effector) and starts and stops abruptly. The original was one toroid per head (a 25.4-cm ring wound with 225 turns of 16-gauge wire, held by an elastic cap) pulsed by an Arduino Uno, so every pulse reached the whole ring at once, and a toroid's field runs around the ring while these coils point into the head: the field geometry is not reproduced. Here each 3-ms pulse steps to the next of eight coils on the 10 % ring (Fpz, F7, T7, P7, Oz, P8, T8, F8), counter-clockwise seen from above, an inference from the lab's "rotating field" wording; a toroid has no first coil, and to pulse all coils at once change "rotate" to "bilateral". Primer: the paper's 7 pulses with gaps of 20, 22 ... 32 ms (203 ms), so the gap ramp restarts every 7 coils. Effector: the paper says only that the same pulses follow gaps starting at 20 ms and falling by 2 ms per pulse; the 128-ms cycle Rouleau & Persinger 2015 measured on the same toroid system fits 8 pulses down to 6 ms (one per coil, used here), while 7 pulses down to 8 ms (119 ms) is the other reading. Pulses are unipolar 5-V steps, as from the Arduino. The field averaged 30 nT (0.3 mG), the intensity the lab found most effective in its pH studies; 0.1 uT at 20 mm is the app's lowest setting. Five pairs, a very large set of EEG comparisons (19 x 19 channels, 8 bands, 22 segments), no pre-registration, published in JCER; no independent replication of any excess-correlation result exists. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-temporal-pole (field on the brain)
Sources:Scott, Rouleau, Lehman, Tessaro, Juden-Kelly, Saroka & Persinger 2015, Experimental production of excess correlation across the Atlantic Ocean of right hemispheric theta-gamma power between subject pairs sharing circumcerebral rotating magnetic fields (Part I), J Conscious Explor Res 6(9):658-684; Rouleau, Koren & Persinger 2015, J Conscious Explor Res 6(9):708-715 (effect 20-30 s after effector onset); Rouleau & Persinger 2015, J Electromagn Anal Appl 7(2) (toroid; 203- and 128-ms cycles); Rouleau, Carniello & Persinger 2014, J Biophys Chem 5:44-53; Karbowski 2017, PhD thesis, Laurentian University, ch. 10 (pulse notation "p, 20 ms ... p, 6 ms"); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti psychic design (untested): modulated 40 Hz frontal, then occipitalUnverified: A construct nobody has tested yet40 min, 1.0 µT
murphy-shakti-psi-rv-untested, layout: custom, Todd Murphy (Shakti software; extrapolation from Persinger-lab papers)
Murphy's proposed Shakti design for telepathy: the modulated 40 Hz signal over both frontal lobes for 20 min, then over both occipital lobes for 20 min. He bases it on reported 15-25 ms front-to-back phase shifts in brain waves and writes that 'none of the procedures described on this page have been tested yet'.
Setting: Practise telepathy or remote-viewing exercises (Murphy). For a fair test, judge results blind, e.g. with the app's Photo-target trial guide.
Schedule: The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 F3, CH3 PO3, CH4 O1, CH5 O2, CH6 PO4, CH7 F4, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, frontal lobes | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | All coils together |
| 2 | Modulated 40 Hz, occipital lobes | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | All coils together |
Phase 1 drives four frontal coils (Fp1, F3, Fp2, F4) and phase 2 four occipital coils above the bony ridge at the back of the head (O1, PO3, O2, PO4); all coils of a group carry the same signal, and the switch is abrupt. The exact sites are an inference from 'applied first over the frontal lobes, followed by the occipital lobes'. The Shakti's modulated 40 Hz file is proprietary; it is approximated by the built-in phase-modulated sine (a 40 Hz carrier drifting between about 38.5 and 41.5 Hz every 2 s, 1-ms points). The vendor calibrates its modulated 40 Hz signal at 10 mG (1 µT), the default here. Murphy's design moves the signal from front to back once, between phases; a front-to-back sweep in 15-25 ms steps would be a project construct and is not used. He also names the right occipito-temporo-parietal region and the right frontal, right occipital and right temporal lobes as candidate sites. The occipital-only remote-viewing design is murphy-shakti-psi-rv-untested-occipital. Persinger's lab reported that Ingo Swann's remote-viewing accuracy tracked occipital 7 Hz activity (Persinger et al. 2002, one subject) and telepathy-like EEG changes in paired subjects (Persinger et al. 2003, 2010); none has been independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). The vendor notes that occipital stimulation could in principle blur vision: stop if your sight changes. Do not use results for decisions about real people, places or money. Not for people with epilepsy; stop on distress.
Aims at: left-dlpfc, right-dlpfc, vmpfc, primary-visual-cortex (field on the brain)
Sources:Murphy, Shakti demo: Psychic skills; Murphy, Shakti demo: Remote viewing; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal (10 mG calibration); Persinger et al. 2002, Percept Mot Skills 94:927 (remote viewing with Ingo Swann); Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877; Persinger et al. 2010, Neurosci Lett 486:231; Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti remote-viewing design (untested): modulated 40 Hz occipitalUnverified: A construct nobody has tested yet20 min, 1.0 µT
murphy-shakti-psi-rv-untested-occipital, layout: custom, Todd Murphy (Shakti software; extrapolation from Persinger-lab papers)
Murphy's proposed Shakti design for remote viewing: the modulated 40 Hz signal over both occipital lobes, just above the bony ridge at the back of the head, for 20 min. He links it to the occipital 7 Hz activity Persinger's lab reported in the remote viewer Ingo Swann, and writes that the procedures on his page have not been tested.
Setting: Practise remote-viewing exercises (Murphy). For a fair test, judge results blind, e.g. with the app's Photo-target trial guide.
Schedule: The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 O1, CH2 PO3, CH5 O2, CH6 PO4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, occipital lobes | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | All coils together |
Four coils over the occipital lobes, above the bony ridge (O1, PO3, O2, PO4), all with the same signal; the sites are an inference from 'application of the modulated 40hz signal over the occipital lobes'. The other four channels stay unused. The Shakti's modulated 40 Hz file is proprietary; it is approximated by the built-in phase-modulated sine (a 40 Hz carrier drifting between about 38.5 and 41.5 Hz every 2 s, 1-ms points). The vendor calibrates its modulated 40 Hz signal at 10 mG (1 µT), the default here. Murphy also names the right occipito-temporo-parietal region and the right frontal, right occipital and right temporal lobes as candidate sites. The two-phase psychic design (frontal, then occipital) is murphy-shakti-psi-rv-untested. Persinger's lab reported that Swann's accuracy tracked occipital 7 Hz activity during a 30-min circumcerebral exposure (Persinger et al. 2002, one subject, one lab); it has not been independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). The vendor notes that occipital stimulation could in principle blur vision: stop if your sight changes. Do not use results for decisions about real people, places or money. Not for people with epilepsy; stop on distress.
Aims at: primary-visual-cortex (field on the brain)
Sources:Murphy, Shakti demo: Remote viewing; Murphy, Shakti demo: Psychic skills; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal (10 mG calibration); Persinger et al. 2002, Percept Mot Skills 94:927 (remote viewing with Ingo Swann); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shiva 'Persinger Session' (7 chirp applications, counter-clockwise ring)Claim: Claimed by the author, lab or vendor; no controlled independent test43 min, 1.0 µT
murphy-shiva-persinger-session, layout: custom, Todd Murphy (Shiva software, launcher persinger_batch); Murphy attributes the session to M.A. Persinger, but no Persinger paper describing it has been found
Murphy's Shiva session that he says Persinger 'developed for training in psi skills' and that 'enhances whatever spiritual technique a person works with': seven chirp applications with silences in between, stepping counter-clockwise around an 8-position ring, about 43 minutes.
Setting: Dark, quiet room. Murphy: 'Don't do spiritual practices or psychic exercises during Shiva Sessions ... Daydreaming is better than meditation.' For perception during the session he advises geomagnetic quiet (K 0-2).
Schedule: Weekly at most. For skill training Murphy advises running it when the K-index is 4 ('unsettled') and starting mental or psychic exercises two days later, for three days (elsewhere: practise 3-5 days after).
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp 1 of 7 (10 to 20 ms per coil), then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Chirp 2 of 7 (12 to 22 ms per coil), then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating counter-clockwise around all coils, 12 → 22 ms per coil (+2 ms steps) |
| 3 | Chirp 3 of 7 (14 to 24 ms per coil), then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating counter-clockwise around all coils, 14 → 24 ms per coil (+2 ms steps) |
| 4 | Chirp 4 of 7 (16 to 26 ms per coil), then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating counter-clockwise around all coils, 16 → 26 ms per coil (+2 ms steps) |
| 5 | Chirp 5 of 7 (18 to 28 ms per coil), then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating counter-clockwise around all coils, 18 → 28 ms per coil (+2 ms steps) |
| 6 | Chirp 6 of 7 (20 to 30 ms per coil), then 80 s silence | 6.33 | Sweep 40 → 40 Hz over 300 s, 80 s pause | Rotating counter-clockwise around all coils, 20 → 30 ms per coil (+2 ms steps) |
| 7 | Chirp 7 of 7 (20 to 160 ms per coil, +20 ms, Octopus ramp) | 5 | Sweep 40 → 40 Hz over 300 s | Rotating counter-clockwise around all coils, 20 → 160 ms per coil (+20 ms steps) |
One coil per Shiva position (Shiva uses a like-polarity pair at each): the first over the left frontal area (Fp1), then FT7, TP7, O1, O2, TP8, FT8, Fp2, stepping counter-clockwise seen from above, so front to back on the left and back to front on the right; no coils above the nose, directly above the ears or above the bony ridge at the back of the head. Murphy gives only the structure ('seven unique applications of the chirp signal with silent sections in between. The signals follow the standard counterclockwise rotation. The session is about 43 minutes long'); the 2011 version of the page (launcher persinger_batch.bat) has the same sentences without the 43-min figure, and his session-length page gives 40 to 45 min for this and the Published Studies session. No source gives the length of an application, a silence or a coil step, and no Persinger paper with a seven-application chirp batch is known, so the split into 7 x 5 min with 80-s silences is a project choice. The chirp template is proprietary. Murphy says it 'does not change in tone, but rather has longer and longer gaps between sections of the signal as they travel around your head', so a steady 40 Hz carrier is used and the coil-to-coil timing supplies the gaps; any modulation inside the original is not reproduced. The project's 'modulated 40 Hz' signal (pm) has no built-in silence, and seven blocks plus six separate silent phases would exceed the 12-phase limit, so it is not used here (the clockwise copy, murphy-shiva-retro-clockwise, uses the same timing). Each block has its own rising dwell ramp, so all seven differ (a project assignment). Blocks 1-6 step +2 ms per coil starting at 10, 12 ... 20 ms; block 1 is Murphy's lecture example, 10 to 20 ms. Block 7 uses the lab Octopus ramp of +20 ms per position, reset after the longest (20 to 160 ms; the 20-ms changes follow Richards 2002, the 20-ms start is a project choice). Murphy's speed statements disagree and Shiva's step tables are unpublished: in 2007 'around the same speed' as the 25-ms binding factor (about 5 turns a second), in the lecture an illustrative 10, 12 ... 20 ms per coil, and since 2008 'around 9 times per second', with the signal divided 'into eight segments, which change in length by a few milliseconds each time'. Blocks 1-6 here turn about 8.3 down to 5 times a second and block 7 about 1.4 times; their six-value lecture ramps restart every six coils instead of lining up with Shiva's eight segments (kept to match the project's other Shiva sessions). The lab Octopus used about 1-10 uT. The vendor says to start at 50% volume and raise it each session (up to 92%), so start low here and increase gradually. The psi and spiritual claims rest on Persinger-lab studies and testimonials, such as the Swiss DeepFocus report, a two-page testimonial by a Shiva coaching business: it reports about 400 test sessions in Germany and Switzerland, about 100 people with five or more sessions, in most cases with the Persinger Session, and asserts EEG findings without data, methods or controls (Murphy's blog calls it an independent replication; it is not one). Independent double-blind tests of Persinger-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Weekly at most; do not run it back to back with another session (a testimonial that did so says it 'wasn't advised'). Stop on distress; not for people with epilepsy. Changed in this revision: origin, page history, the speed statements and the DeepFocus description in these notes; the phases are unchanged.
Aims at: vmpfc, left-temporal-pole, right-temporal-pole, left-tpj, right-tpj, primary-visual-cortex (field on the brain)
Sources:Shiva demo: Sessions used in lab experiments (Persinger Session); Same page, Wayback 2011 (persinger_batch.bat, no 43-min figure); Shiva demo: Session lengths (40 to 45 min, weekly); Shiva demo: Coil locations; Shiva demo: Staying safe with Shiva (first coil left frontal, counter-clockwise); Shiva and the Earth's magnetic field; Shiva demo: Volume; Shiva / Octopus and the 40 Hz binding factor; Same page, Wayback 2008 ('eight segments, which change in length by a few milliseconds'); Shiva index, Wayback 2007 ('around the same speed'); Understanding Shiva Neural Stimulation ('around 9 times per second'); Murphy, Psychic Skills & Miracles lecture; Shiva main page (testimonials); Richards, Koren & Persinger 2002, Percept Mot Skills 95:671; Shiva & 'Electronic Enlightenment', a Swiss report; Boesch, Elektronische Erleuchtung? (German original, Wayback 2011); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva Published Studies (3 amygdala + 3 chirp configurations, Swann 2002 timing)Claim: Claimed by the author, lab or vendor; no controlled independent test43 min, 1.0 µT
murphy-shiva-published-studies, layout: custom, Todd Murphy (Shiva software, 'Published Experiment Session'), modelled on the Laurentian standard circumcerebral protocol (Cook, Koren & Persinger 1999; Persinger, Roll, Tiller, Koren & Cook 2002, the Ingo Swann study)
Todd Murphy's Shiva session after the six configurations of the Persinger lab's psi studies: three with the amygdala signal, then three with his modulated 40 Hz chirp, counter-clockwise around the head with quiet intervals in between, 40-45 min. The per-coil timings, point durations and gaps follow the lab's 'standard protocol' as printed in the Ingo Swann paper (Persinger et al. 2002, Table 1), the set that matches Murphy's description. Murphy calls it a good session to begin with for creating altered states.
Setting: Dark, acoustically silent room, eyes covered, seated and relaxed without meditating or falling asleep. For effects during the session Murphy recommends the highest Shiva setting (92%) in sensory deprivation, 'especially silence'; the lab subjects sat blindfolded in an acoustic chamber.
Schedule: At most once a week; never on consecutive days, and not back to back with the Persinger Session.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 1 Amygdala (B1): 1-ms points, 1-ms gaps, 20 to 34 ms per coil | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | Quiet interval | 2.5 | No output | All coils together |
| 3 | 2 Amygdala (B2): 1-ms points, 1-ms gaps, 100 to 240 ms per coil | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 4 | Quiet interval | 2.5 | No output | All coils together |
| 5 | 3 Amygdala (B3): 3-ms points, 3-s gaps, 200 to 186 ms per coil | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 6 | Quiet interval | 2.5 | No output | All coils together |
| 7 | 4 Chirp, steady 40 Hz (T1): 1-ms points, 20 to 34 ms per coil | 5 | Sweep 40 → 40 Hz over 0.85 s, 0 s pause | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 8 | Quiet interval | 2.5 | No output | All coils together |
| 9 | 5 Chirp (T2): 1-ms points, 100 to 240 ms per coil | 5 | Sweep 40 → 40 Hz over 0.85 s, 0 s pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 10 | Quiet interval | 2.5 | No output | All coils together |
| 11 | 6 Chirp (T3): 3-ms points, 3-s gaps, 200 to 186 ms per coil | 5 | Sweep 40 → 40 Hz over 2.55 s, 3 s pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
Murphy: 'The set of configurations used in the lab studies on psychic phenomena have six phases. The first three use the amygdala signal, and the second three use the chirp signal. There are quiet intervals between them'; the session runs 40 to 45 min and, he says, Swann 'experienced a clear remote viewing' in its final phase. The Swann paper ran 'burst-firing and frequency-modulated (Thomas)' patterns, 'three different parameters for each, a part of our standard protocol (Cook, et al., 1999)', 5 min each, counter-clockwise at 2-5 uT, one 30-min exposure, and in the final configuration (T3) Swann saw the three experimenters 'as skeletons'. Its Table 1 gives pixel (point) duration / interstimulus time / commutator rate / change in rate: B1 and T1 1/1/20/+2 ms, B2 and T2 1/1/100/+20 ms, B3 and T3 3/3000/200/-2 ms. Commutator rate is read as the time on the first coil and the change as the change at each next coil, with the plain sign as in the Koren software patent: 20 to 34, 100 to 240 and 200 to 186 ms (216, 1360 and 1544 ms per turn, inside the 'about 200 and 2000 ms' rotations of Cook 1999). The lab's later notation reads '+2' as 2 ms shorter (20 to 6 and 200 to 214 ms; B1 would then take 104 ms per turn). persinger-swann-2002-table1 is the lab version of this session: the same timings and sign reading, without quiet intervals, with the exact Thomas table and the lab's 2-5 uT. Murphy publishes none of his own coil timings, point durations or gaps; he says only that the signals are 'chopped' into lengths and 'Some of them get longer as they go along, and some of them get shorter', which fits the table's rising and falling ramps, so giving the Shiva session the Table 1 values is an inference. Nor does he publish his phase or interval lengths: each configuration runs 5 min as in the lab, and the 10-15 min by which his session is longer than the lab's 30 min is taken to be the quiet intervals, here five of 2.5 min (42.5 min in all, an inference). Coils sit on Murphy's Shiva ring, one coil per site instead of Shiva's coil pairs: the first over the left frontal area (Fp1), then FT7, TP7, O1, O2, TP8, FT8, Fp2, counter-clockwise seen from above (left side front to back, right side back to front); no coils above the nose, directly above the ears or above the bony ridge at the back. The signal files are proprietary. Amygdala: the built-in accelerating burst of 230 points (the lab's burst-firing length, Ryczko & Persinger 2002), 6 to 30 Hz at 3-ms points; at the 1-ms points of B1 and B2 the same points play three times faster (18 to 90 Hz in 230 ms) with 1 ms between bursts, the format of Murphy's own 'High-Speed' signals (his ltp_1_1 page: 'One millisecond between signals, and one millisecond for each point'); in B3 a 0.69-s burst follows every 3-s gap. Chirp: Murphy uses his modulated 40 Hz chirp where the lab used its frequency-modulated pattern (he calls the lab's an earlier 'pulse named for its designer'; that this is the Thomas pattern is an inference). He says the chirp 'does not change in tone, but rather has longer and longer gaps between sections of the signal as they travel around your head', so a steady 40 Hz carrier plays and the coil-to-coil timing supplies the gaps, as in murphy-shiva-persinger-session; any modulation inside the original is not reproduced. The lab's pixel durations are used as hold steps (1 ms; 3 ms in T3, a coarse 40 Hz staircase); each chirp section lasts as long as the 849-point Thomas file at that point duration (849 ms in T1 and T2, 2.55 s in T3; an inference) and is followed by the interstimulus gap (1 ms; 3 s in T3); whether Shiva also slows its chirp at 3-ms points is unpublished. The lab used 2-5 uT (Swann) and about 10 uT (Cook 1999); this file defaults to 1 uT and the helmet stops at 5 uT, so it copies the timing rather than the lab strength (no independent measurement of Shiva's output has been found). Tsang 2004 also ran six 5-min configurations but with other timings (25 to 11 ms, persinger-tsang-2004-gamma-thomas), so it is not the template; the effective pattern of Persinger, Koren & Tsang 2003 (100 ms with 20-ms changes) is the B2/T2 timing. Evidence is rated 'claim': no test of this Shiva session has been published; the lab configurations it copies are single-lab (one subject, no sham, in the Swann study) and not independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Changed in this revision: the timings now follow Swann 2002 Table 1 (previously a mix of Richards 2002, Persinger 2003 and Tsang 2004 values), the lab's point durations and gaps are applied to both signals, and the silences are 2.5 instead of 2 min. Not for people with epilepsy; stop at once if distressed.
Aims at: left-amygdala, right-amygdala, vmpfc, left-temporal-pole, right-temporal-pole, left-tpj, right-tpj, primary-visual-cortex (field on the brain)
Sources:Murphy, Shiva demo: Sessions used in lab experiments; Murphy, Shiva demo: Session lengths (40 to 45 min, weekly); Murphy, Shiva demo: Shiva and altered states; Murphy, Shiva demo: Scientific evidence; Murphy, Shiva demo: Chirp signal (lab 'pulse named for its designer'); Murphy, Shiva demo: Magnetic coil locations; Murphy, Shiva demo: Staying safe with Shiva (first coil left frontal); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shakti demo 2007: ltp_1_1 ('One millisecond between signals'); Persinger, Roll, Tiller, Koren & Cook 2002, Remote viewing with the artist Ingo Swann, Percept Mot Skills 94:927 (full text with Table 1) [2]; Cook, Koren & Persinger 1999, Neurosci Lett 268:61; Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877; Tsang, Koren & Persinger 2004, Int J Neurosci 114:1183; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Buckner et al. 2015, PLoS ONE (Thomas file: 849 points at 3 ms); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Strangers after 4 weeks' proximity: stimulus partner, 6 CCW fields (Persinger 2008)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
persinger-strangers-2008, layout: custom, Persinger lab, Laurentian University (Persinger, Tsang, Booth & Koren 2008), circumcerebral 'Octopus' ring, paired-stranger design
The stimulus partner's program from Persinger, Tsang, Booth & Koren 2008: six 5-min counter-clockwise ring configurations (three burst-firing, three Thomas) after the two strangers had met twice a week for four weeks. Persinger's lab reported more 5-6 Hz power over the temporal lobes of the unexposed partner in another room during the 20+2 frequency-modulated field (phase 4 here), in 4 pairs.
Setting: Stimulus partner (this helmet): blindfolded, seated in a quiet, dark room (the lab used an acoustic chamber), imagining being with the partner, the instruction of the lab's sibling study. Response partner: another room, blindfolded with earplugs, no helmet, EEG recorded (the outcome measure); whoever scores the EEG should not know the phase times.
Schedule: First the two meet twice a week for 1 h, within about 1 m of each other, for 4 weeks; then one 30-min session. For a self-test, add a session on the app's Blind option (real or sham at random) and score the EEG or the partner's reports before unblinding.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | BF1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (lab 20-2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | BF2 burst 1 ms pts, 2 ms gap, 100->240 ms/coil | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | BF3 burst 3 ms pts, 3 s gap, 200->186 ms/coil | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 4 | FM1 Thomas 1 ms pts, 1 ms gap, 20->6 ms/coil (lab 20+2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 5 | FM2 Thomas 2 ms pts, 1 ms gap, 100->240 ms/coil | 5 | Point table of 849, 2 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | FM3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
Persinger & Lavallee 2010 confirm the design: 8 students drawn at random from a class roster of about 80, paid $50 per pair, meeting twice a week for 1 h over 4 weeks, then the sibling study's procedures with "20+2" fields; theta rose "more related to the temporal lobes, with a slight right hemispheric enhancement", and response partners reported a sensed presence, anger and sexual arousal. They add that strangers recruited off the street, with no shared history, showed no EEG or experiential change. The six configurations come from the 2008 paper's Table 1 as relayed secondhand (the paper itself could not be opened), so they are unverified (point duration, gap between pattern repeats, time on coil 1, change per coil): burst-firing 1 ms, 1 ms, 20 ms, +2; 1 ms, 2 ms, 100 ms, +20; 3 ms, 3 s, 200 ms, -2; frequency-modulated 1 ms, 1 ms, 20 ms, -2; 2 ms, 1 ms, 100 ms, +20; 3 ms, 3 s, 200 ms, -2. The signs are read literally, + longer and - shorter at each next coil: BF1 runs 20 to 34 ms (the papers' "20-2"), the +20 rows 100 to 240 ms, the 200-ms rows 200 to 186 ms and FM1, printed -2, 20 to 6 ms, the field the same paper's results call "20 ms (+2 ms)" and Persinger & Lavallee call "20+2". Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms for BF1, 20 to 34 ms for FM1 and 200 to 214 ms for the 200-ms rows; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, Cook 1999's full turns of about 200 to 2000 ms fit it better (216 ms per turn at 20 to 34 ms, 104 ms at 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Phase names give the actual time on each coil. The frequency-modulated rows are taken to be the lab's decelerating FM file, the Thomas pulse (Lehman 2016), played from the exact 849-point table; the burst-firing values were never published, so the built-in accelerating burst stands in (230 points; at 1 ms per point it plays three times faster, 18 to 90 Hz). Table order is assumed to be burst-firing first; half the pairs got the reverse order (persinger-strangers-2008-reversed). These six fields are those of persinger-six-config-battery-2008 (the single-person Richards 2002 framing at 5 uT); this version runs at 1 uT, the paired studies' "1 microTesla range" (the 2008 table is relayed as 0.5 uT, with 1.5 uT measured 1 cm inside the ring and about 500 nT at its centre, all unverified), and adds the second person. Coil 1 left frontal, coil 8 right prefrontal, counter-clockwise from above (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 lie within 5 degrees of that 45-degree ring (the mapping Fp1, F7, T7, P7, Oz, P8, T8, Fp2 would leave only three coils on the right). Only the stimulus partner wears a helmet; both partners must know about and agree to the experiment. 4 pairs and many statistical tests; experiences were rated on an exit questionnaire that was not blinded, and anger or sexual arousal are reports that suggestion alone can produce; published in NeuroQuantology; never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Do not use results for decisions about real people. Not for people with epilepsy or a seizure history; stop on distress.
Aims at: right-superior-temporal-gyrus-posterior, right-temporal-pole, left-superior-temporal-gyrus-posterior, left-temporal-pole (field on the brain)
Sources:Persinger, Tsang, Booth & Koren 2008, Enhanced power within a predicted narrow band of theta activity during stimulation of another by circumcerebral weak magnetic fields after weekly spatial proximity: evidence for macroscopic quantum entanglement?, NeuroQuantology 6(1):7-21; Persinger & Lavallee 2010, Theoretical and experimental evidence of macroscopic entanglement between human brain activity and photon emissions, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877-894 (sibling pairs); Lehman 2016, PhD thesis, Laurentian University ("20-2" = 20, 22 ... 34 ms); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436 (counter-clockwise vs clockwise); Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Strangers after 4 weeks' proximity: stimulus partner, 6 CCW fields, reversed (Persinger 2008)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
persinger-strangers-2008-reversed, layout: custom, Persinger lab, Laurentian University (Persinger, Tsang, Booth & Koren 2008), circumcerebral 'Octopus' ring, paired-stranger design
The stimulus partner's program from Persinger, Tsang, Booth & Koren 2008, in the reverse order given to half the pairs: six 5-min counter-clockwise ring configurations (three burst-firing, three Thomas) after the two strangers had met twice a week for four weeks. Persinger's lab reported more 5-6 Hz power over the temporal lobes of the unexposed partner in another room during the 20+2 frequency-modulated field (phase 3 here), in 4 pairs.
Setting: Stimulus partner (this helmet): blindfolded, seated in a quiet, dark room (the lab used an acoustic chamber), imagining being with the partner, the instruction of the lab's sibling study. Response partner: another room, blindfolded with earplugs, no helmet, EEG recorded (the outcome measure); whoever scores the EEG should not know the phase times.
Schedule: First the two meet twice a week for 1 h, within about 1 m of each other, for 4 weeks; then one 30-min session. For a self-test, add a session on the app's Blind option (real or sham at random) and score the EEG or the partner's reports before unblinding.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | FM3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 2 | FM2 Thomas 2 ms pts, 1 ms gap, 100->240 ms/coil | 5 | Point table of 849, 2 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | FM1 Thomas 1 ms pts, 1 ms gap, 20->6 ms/coil (lab 20+2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 4 | BF3 burst 3 ms pts, 3 s gap, 200->186 ms/coil | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 5 | BF2 burst 1 ms pts, 2 ms gap, 100->240 ms/coil | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | BF1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (lab 20-2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
Persinger & Lavallee 2010 confirm the design: 8 students drawn at random from a class roster of about 80, paid $50 per pair, meeting twice a week for 1 h over 4 weeks, then the sibling study's procedures with "20+2" fields; theta rose "more related to the temporal lobes, with a slight right hemispheric enhancement", and response partners reported a sensed presence, anger and sexual arousal. They add that strangers recruited off the street, with no shared history, showed no EEG or experiential change. The six configurations come from the 2008 paper's Table 1 as relayed secondhand (the paper itself could not be opened), so they are unverified (point duration, gap between pattern repeats, time on coil 1, change per coil): burst-firing 1 ms, 1 ms, 20 ms, +2; 1 ms, 2 ms, 100 ms, +20; 3 ms, 3 s, 200 ms, -2; frequency-modulated 1 ms, 1 ms, 20 ms, -2; 2 ms, 1 ms, 100 ms, +20; 3 ms, 3 s, 200 ms, -2. The signs are read literally, + longer and - shorter at each next coil: BF1 runs 20 to 34 ms (the papers' "20-2"), the +20 rows 100 to 240 ms, the 200-ms rows 200 to 186 ms and FM1, printed -2, 20 to 6 ms, the field the same paper's results call "20 ms (+2 ms)" and Persinger & Lavallee call "20+2". Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms for BF1, 20 to 34 ms for FM1 and 200 to 214 ms for the 200-ms rows; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, Cook 1999's full turns of about 200 to 2000 ms fit it better (216 ms per turn at 20 to 34 ms, 104 ms at 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Phase names give the actual time on each coil. The frequency-modulated rows are taken to be the lab's decelerating FM file, the Thomas pulse (Lehman 2016), played from the exact 849-point table; the burst-firing values were never published, so the built-in accelerating burst stands in (230 points; at 1 ms per point it plays three times faster, 18 to 90 Hz). This is the reverse-order half of the counterbalancing (FM3 to BF1); persinger-strangers-2008 runs the table order. These six fields are those of persinger-six-config-battery-2008 (the single-person Richards 2002 framing at 5 uT); this version runs at 1 uT, the paired studies' "1 microTesla range" (the 2008 table is relayed as 0.5 uT, with 1.5 uT measured 1 cm inside the ring and about 500 nT at its centre, all unverified), and adds the second person. Coil 1 left frontal, coil 8 right prefrontal, counter-clockwise from above (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 lie within 5 degrees of that 45-degree ring (the mapping Fp1, F7, T7, P7, Oz, P8, T8, Fp2 would leave only three coils on the right). Only the stimulus partner wears a helmet; both partners must know about and agree to the experiment. 4 pairs and many statistical tests; experiences were rated on an exit questionnaire that was not blinded, and anger or sexual arousal are reports that suggestion alone can produce; published in NeuroQuantology; never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Do not use results for decisions about real people. Not for people with epilepsy or a seizure history; stop on distress.
Aims at: right-superior-temporal-gyrus-posterior, right-temporal-pole, left-superior-temporal-gyrus-posterior, left-temporal-pole (field on the brain)
Sources:Persinger, Tsang, Booth & Koren 2008, Enhanced power within a predicted narrow band of theta activity during stimulation of another by circumcerebral weak magnetic fields after weekly spatial proximity: evidence for macroscopic quantum entanglement?, NeuroQuantology 6(1):7-21; Persinger & Lavallee 2010, Theoretical and experimental evidence of macroscopic entanglement between human brain activity and photon emissions, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877-894 (sibling pairs); Lehman 2016, PhD thesis, Laurentian University ("20-2" = 20, 22 ... 34 ms); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436 (counter-clockwise vs clockwise); Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Swann 2002: six counter-clockwise configurations as printed (exact Thomas)Single lab: Published by one lab or group, not independently replicated30 min, 3.5 µT
persinger-swann-2002-table1, layout: custom, Persinger, Roll, Tiller, Koren & Cook (Laurentian University), the lab's standard circumcerebral protocol (Cook et al. 1999), given once to Ingo Swann in August 1998
The 30-min exposure Persinger's lab gave the artist and remote viewer Ingo Swann: three burst-firing and three frequency-modulated (Thomas) configurations of 5 min each, rotated counter-clockwise around the head with the point durations, gaps and per-coil timing printed in the paper's Table 1. The lab reported altered experiences during the fields; one subject.
Setting: Blindfolded in a comfortable chair in a quiet, dark room; speak your impressions aloud and record them (Swann wore a lapel microphone in an acoustic chamber). Remote-viewing trials followed on later days: hidden pictures or objects in envelopes about 6 m away, 2-3 min of drawing each.
Schedule: One exposure in the original, followed by remote-viewing trials on the next days.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | B1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (20+2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | B2 burst 1 ms pts, 1 ms gap, 100->240 ms/coil (100+20) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | B3 burst 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 4 | T1 Thomas 1 ms pts, 1 ms gap, 20->34 ms/coil (20+2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 5 | T2 Thomas 1 ms pts, 1 ms gap, 100->240 ms/coil (100+20) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | T3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
Table 1, read from the page scan: pixel (point) duration 1, 1, 3, 1, 1, 3 ms; interstimulus time 1, 1, 3000, 1, 1, 3000 ms; commutator rate 20, 100, 200 ms and change in rate +2, +20, -2, for B1-B3 and again for T1-T3. Commutator rate is read as the time on the first coil and change in rate as the change at each following coil, as the lab later defined "20+2"; that reading is an interpretation. The signs are read literally: each next coil gets 2 ms more in the +2 rows (20 to 34 ms), 20 ms more in the +20 rows (100 to 240 ms) and 2 ms less in the -2 rows (200 to 186 ms). Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms and 200 to 214 ms; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, Cook 1999's full turns of about 200 to 2000 ms fit it better (216 ms per turn at 20 to 34 ms, 104 ms at 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. The paper puts eight equally spaced solenoids in the plane "between the midforehead and above the ears"; the ring here is Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 on the 10% line, coil 1 left frontal and coil 8 right prefrontal as the lab later described its ring (Persinger & Lavallee 2010), an inference. The Thomas (frequency-modulated) pulse plays from its exact 849-point table; the burst-firing point values were never published, so the built-in accelerating burst stands in (230 points, 6 -> 30 Hz at 3 ms per point and three times faster at 1 ms). Intensity 2-5 uT in the paper; 3.5 uT is the midpoint. Differences from military-p06-persinger-swann-1998: that preset gives B2/T2 3-ms and B3/T3 1-ms points (the scan shows 1, 1, 3), a synthetic Thomas sweep and an Fpz-Oz ring. During the Thomas patterns Swann reported floating in and out of his body (T1), pressure in his ear and a marked suppression of his remote-viewing images (T2), and seeing the three experimenters as skeletons (T3). On later days, 7-Hz spike-and-slow-wave activity over his occipital lobes correlated (rho = .50) with blind accuracy ratings; the paper does not test whether the fields changed accuracy. One subject, no sham, unblinded exposure, and a follow-up pilot (Koren & Persinger 2002) reported that accuracy fell when weak Windows-generated, but not DOS-generated, fields were run around the targets, which shows how loosely controlled the setup was. For a self-test, randomise blinded active and sham sessions and have remote-viewing trials judged blind. No independent replication. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: primary-visual-cortex, right-angular-gyrus, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, lateral-orbitofrontal-cortex (field on the brain)
Sources:Persinger, Roll, Tiller, Koren & Cook 2002, Remote viewing with the artist Ingo Swann, Percept Mot Skills 94:927-949 (full-text scan with Table 1) [2]; Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (the "20+2" notation; coil 1 left frontal, coil 8 right prefrontal; sibling study retold); Lehman 2016, MSc thesis, Laurentian University, pp. 56-57 ("20-2" = 20, 22 ... 34 ms; counter-clockwise standard); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Dotta & Persinger 2012, J Biophys Chem 3:72-80 (230-point increasing-frequency pattern at 1 ms); Koren & Persinger 2002, Percept Mot Skills 95:989-998 (fields around the target, pilot); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Telepathy - sender (Persinger 2003 style, 6 x 5 min)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
telepathy-sender, layout: Circumcerebral ring ("Octopus"), Persinger lab, Laurentian University (Persinger, Koren & Tsang 2003; Persinger et al. 2010), circumcerebral 'Octopus'; phase order after the lab's six-configuration table and Murphy's Shiva 'Published Studies' session; sender/receiver trial by this project
Six 5-min counter-clockwise circumcerebral configurations for the partner who wears the helmet and looks at a target, while the other, unstimulated partner in another room writes impressions. Persinger, Koren & Tsang 2003 reported 5-6 Hz EEG changes in the unstimulated partner during one configuration, which the lab describes both as 100 ms with 20-ms changes and as "20+2"; both run here, with the 100+10 rotation of its 2010 yoked study, all three first with burst-firing, then with the Thomas pulse.
Setting: Sender: seated in a quiet room with the helmet, looking at the target picture (in the 2003 study the stimulus person sat blindfolded in a closed chamber and imagined being in the other room touching the partner). Receiver: another room, no helmet, writing or sketching impressions (in 2003 blindfolded, 5 or 10 m away, with EEG). Use the app's blinded trial (hidden target, committed before the response, blind ranking against decoys).
Schedule: At most weekly for the sender (Murphy's rule for Shiva sessions); the sibling pairs had two sessions a week apart.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing 20+2 (20->6 ms per coil), 1-ms points | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 2 | Burst-firing 100 ms +20 (100->240 ms per coil), 1-ms points | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | Burst-firing 100+10 (100->30 ms per coil), 1-ms points | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 30 ms per coil (-10 ms steps) |
| 4 | Thomas pulse 20+2 (20->6 ms per coil), 1-ms points | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 5 | Thomas pulse 100 ms +20 (100->240 ms per coil), 1-ms points | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | Thomas pulse 100+10 (100->30 ms per coil), 1-ms points | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 30 ms per coil (-10 ms steps) |
Changed after the primary-source check: the rotations now come from the paired-person studies themselves, replacing 20 -> 160 ms (a reading of Cook 1999) and 25 -> 11 ms (Tsang 2004). The 2003 abstract gives the effective configuration as "100 msec. with changes in rate of 20 msec." (read as 100, 120 ... 240 ms, since 100 ms cannot shorten by 20 ms seven times; the lab's Shiva study used the same ramp, Collins 2014); the lab's 2010 retelling says the effect came "when the 20+2 ms presentations occurred" and defines 20+2 as 20, 18 ... 6 ms (Persinger & Lavallee 2010, p. 793); the Swann table prints this row as "+2", and if its sign meant longer, as its "+20" must, the rotation would run 20 -> 34 ms instead. The third rotation, 100+10 (100, 90 ... 30 ms), is the one that paper gives for the 2010 yoked light-flash study (Persinger et al. 2010: shared fields "based on 100ms"). The 2003 abstract names no other configuration; the lab's "standard protocol" table in the Swann paper also has a 200-ms rotation with "-2" (3-ms points, 3 s apart), which persinger-swann-2002-table1 runs. The order, three burst-firing then three frequency-modulated, follows the lab's six-configuration table in the Swann paper (Persinger et al. 2002) and Murphy's Shiva 'Published Studies' session; Murphy's three chirp phases are replaced by the lab's frequency-modulated Thomas pulse, played from its exact 849-point patent table. Point durations follow the Swann table, which prints 1-ms points with 1 ms between repeats for both 20+2 and 100 ms + 20 (rechecked on the page scan); 100+10 also runs at 1 ms, as in the lab's later shared-field work (Dotta & Persinger 2012). Burst-firing point values were never published; the built-in accelerating burst stands in as 230 points of 1 ms (the 6-30 Hz, 0.69-s sweep of the 3-ms Burst-X three times faster: 18 to 90 Hz in 0.23 s). The ring layout (Fpz, F7, T7, P7, Oz, P8, T8, F8, counter-clockwise from above) approximates the lab's eight solenoids in the horizontal plane, whose coil 1 sat over the left frontal and coil 8 over the right prefrontal region; persinger-siblings-2003-stimulus is a separate reconstruction on such a ring. The 2003 result rests on four sibling pairs in one lab, and the abstract and the 2010 retelling disagree on where it appeared (frontal and occipital versus right parietal). Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). The sender/receiver framing is this project's trial design. Both partners must know about and agree to the experiment; score trials blind and never use them for decisions about real people. Not for people with epilepsy; stop on distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, primary-visual-cortex, lateral-orbitofrontal-cortex (field on the brain)
Sources:Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877-894; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (base +/- change notation, "20+2" = 20, 18 ... 6 ms; coil 1 left frontal, coil 8 right prefrontal; sibling and yoked studies retold); Persinger, Saroka, Lavallee, Booth, Hunter, Mulligan, Koren, Wu & Gang 2010, Neurosci Lett 486:231-234; Persinger, Roll, Tiller, Koren & Cook 2002, Remote viewing with the artist Ingo Swann, Percept Mot Skills 94:927-949 (Table 1: six circumcerebral configurations) (full-text scan) [2]; Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University (Shiva amygdaloid signal: 289 points, 3 ms, 4000 ms between cycles; 100 ms plus 20 ms per column; ch. 4: Shiva 4+4 helmet); Dotta & Persinger 2012, J Biophys Chem 3:72-80 (1-ms points in the shared-field work); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 and FIG. 2 "Thomas Pulse (Cnp)"; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Murphy, Shiva: sessions used in lab experiments (Published Studies session; the chirp "does not change in tone"); Murphy, Shiva: scientific evidence; AIR 1995, An evaluation of remote viewing (Utts appendix: blind rank-order judging); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Yoked rings, 100+10 ms CCW, partner sees light flashes (Persinger 2010)Single lab: Published by one lab or group, not independently replicated6 min, 1.0 µT
persinger-yoked-2010-microstate, layout: custom, Persinger lab, Laurentian University (Persinger, Saroka, Lavallee, Booth, Hunter, Mulligan, Koren, Wu & Gang 2010), yoked circumcerebral rings
The shared field of Persinger et al. 2010: two unrelated people in rooms 15 m apart wear identical eight-coil rings running the same counter-clockwise rotation, 100 ms on the first coil and 10 ms less on each next one (down to 30 ms), while one of them watches dim 5-15 Hz light flashes. Persinger's lab reported power increases in the other partner's right parietal EEG within frequencies matching the distant flashes, only with this 100-ms-based field.
Setting: Partner A (light): seated in a closed, quiet room with a helmet on, watching a diffuse white light of about 1 lux. Partner B (measured): another room about 15 m away, second helmet running this program, EEG recorded (the outcome; the lab looked at the right parietal region). Flash trains at 5, 8, 10 and 15 Hz, 30 s each, starting at 2:00, 3:00, 4:00 and 5:00 on the program clock; take EEG for the 20 s before and the first 20 s of each train. A third person keeps the flash log away from whoever scores the EEG.
Schedule: One session per pair. As a control, a helper runs both helmets on this program or on sham (the same choice for both, unknown to the partners and the scorer) on different days, and the EEG is scored blind.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Shared field 100->30 ms/coil (lab 100+10), Thomas 1 ms | 6 | Point table of 849, 1 ms per point | Rotating counter-clockwise around all coils, 100 → 30 ms per coil (-10 ms steps) |
From the abstract (three experiments; unrelated pairs in two rooms; 5, 8, 10 or 15 Hz flashes; right parietal power; fields "based on 100ms, the average duration of normal microstates") and Persinger & Lavallee 2010 section 3.6: two 8-solenoid systems 15 m apart driven by one computer; the time on each of the 8 successive solenoids fell from 100 ms to 90 ms and so on to 30 ms over the right prefrontal region (the lab's "100+10", one turn 520 ms); flashes of about 1 lux for 30 s, 4-15 Hz, strongest at 8-10 Hz; QEEG taken 20 s before and 20 s during each flash train. The sources give no exposure length, waveform file or point duration: the rotated "complex frequency-modulated" pattern is taken to be the Thomas pattern and plays the exact 849-point patent table at 1 ms per point, back to back, the point duration of the lab's later shared-field work (Dotta & Persinger 2012, whose file had 859 points); the 6 min and the flash timing in "setting" (one train per frequency, rising) are this project's choice. Coil 1 left frontal, coil 8 right prefrontal, counter-clockwise from above (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 lie within 5 degrees of that 45-degree ring (the mapping Fp1, F7, T7, P7, Oz, P8, T8, Fp2 would leave only three coils on the right). Both helmets must run this program and start together; the lab drove both rings from one computer, so two helmets started by hand are offset by the time between the two presses. The light source is not part of the helmet. Source caution: photic stimulation at 5-15 Hz can trigger seizures in susceptible people, a risk independent of the magnetic field. The lab's interpretation (the two brains sharing "the same space") is not supported by its measurements, which are EEG power changes in small samples; single-lab, never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Do not use results for decisions about real people. Nobody with epilepsy, a seizure history or photosensitivity should take part in either role.
Aims at: right-angular-gyrus, right-tpj, primary-visual-cortex (field on the brain)
Sources:Persinger, Saroka, Lavallee, Booth, Hunter, Mulligan, Koren, Wu & Gang 2010, Neurosci Lett 486:231-234; Persinger & Lavallee 2010, Theoretical and experimental evidence of macroscopic entanglement between human brain activity and photon emissions, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Dotta & Persinger 2012, "Doubling" of local photon emissions when two simultaneous, spatially-separated, chemiluminescent reactions share the same magnetic field configurations, J Biophys Chem 3:72-80 (859- and 230-point patterns at 1 ms; primer/effector order); Lehman 2016, PhD thesis, Laurentian University ("20-2" = 20, 22 ... 34 ms); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436 (counter-clockwise vs clockwise); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Meditation 14
8 Coil Shakti two-phase: amygdala both sides, then hippocampus rightClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-twophase-family-amybi-hippr, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
One of Todd Murphy's interhemispheric 'as seen on TV' two-phase sessions for the 8 Coil Shakti: amygdala burst-firing over both temporal lobes for 20 min, then the hippocampal 'LTP' signal over the right temporal lobe for 20 min (the 40-min run most users prefer, Murphy says). Murphy states that the hippocampal signal on the right in phase 2 gives non-verbal calm and imagery.
Setting: Darkness and acoustic silence ('not just quiet'), at night; eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark. The vendor: 'You don't have to use sensory deprivation if you're looking for after-effects.'
Schedule: Vendor: while trying sessions out, at most every 72 h; once you settle on a session, once a week; never on consecutive days. For sessions of an hour or more (the 60-min run) the demo video and the safety pages say once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions from that rule.
Coils: CH1 FTT7h, CH2 TTP9h, CH3 FTT8h, CH4 TTP10h, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala burst-firing, both sides (2 coils each) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together, weighted |
| 2 | Hippocampal LTP, right side (4 coils) | 20 | Point table of 260, 3 ms per point, 4000 ms pause | All coils together, weighted |
Coils as in the photos on the vendor's output pages for the right-ending sessions: six on the right and two on the left ('The right side has four coils from the right channel, and two coils from the left channel. The left side has two coils from the left stereo channel.'). The four right-channel coils form a cross over the right temporal lobe (FT8 front, C6 top, TP8 back, T10 bottom; CH5-8); the two left-channel coils on the right sit inside that cross, above-front and below-back of its centre (FTT8h and TTP10h; CH3-4), and the two on the left form the same diagonal pair over the left temporal lobe (FTT7h and TTP9h; CH1-2). The 10-5 sites are read from the photos and are an inference. Phase 1 (20 min) drives the four left-channel coils together (the left channel over both sides); phase 2 (20 min, abrupt switch) drives the four right-channel coils (the right channel over the right side only). There is no rotation, as on the two-channel Shakti. Polarity as in the photos ('Note the positions of the positive and negative coils carefully'): the right cross has its top and front coils - (C6, FT8: weight -1) and its back and bottom coils + (TP8, T10); of the left-channel coils, the pair on the right has its upper-front coil + (FTT8h) and lower-back coil - (TTP10h), and the pair on the left the reverse (FTT7h -, TTP9h +). Durations: the output pages and Murphy's demo video offer 40- and 60-min runs, and the video says 'most users seem to prefer the 40-minute session, 20 minutes of each of the signals seems to be enough' (in agreement, Murphy says, with some of the laboratory work); this file is that 40-min run. The 60-min run is presumably 30 + 30 min (not stated). The rotating Shiva God Helmet versions of this design are murphy-gh-amybi-hippr-40min and -60min. The amygdala 'burstx' signal is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points at the standard 3-ms points (0.69 s, after the published 230-point burst-firing pattern), then the standard 4-s silence. The hippocampal 'LTP' signal is proprietary; it is approximated by 5 theta bursts of 4 biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), repeated at 5.4 Hz (the spectral peak the vendor gives for its LTP signal) and drawn on Shakti's standard 3-ms points (0.78 s; the burst count is a choice), then the standard 4-s silence. Vendor: 'Be careful when setting up these sessions ... check and double-check' (here: check that the coils sit on the correct sides); the first phase may be unpleasant, and Skip goes to phase 2. Test the phase-2 signal on each side first with 10-min test sessions. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on one small Persinger-lab study (Persinger, Richards & Koren 1994). Persinger's lab reported more apprehension in women with burst-firing over the right temporal lobe (Richards, Koren & Persinger 1992); stop if fear appears. For the God Helmet version of this design Murphy advises: fear or anxiety in phase 1 means Skip or Stop; fear or anxiety in phase 2 means stop and never reuse it; not for people prone to anxiety. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's two-phase pages (2026): 20 + 20 min instead of 30 + 30, eight separate coils as on the output pages instead of six with two shared between the phases, and polarity from the session photos instead of the general coil chart. Still approximate: the coil sites and both signal templates.
Aims at: left-amygdala, right-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Two-phase sessions (as seen on TV); Murphy, Shakti demo: output amygdala both, then hippocampus right (setup photos); Murphy, Shakti Software Demo (video; 40-min runs of 20 min per signal); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Persinger, Richards & Koren 1994, Int J Neurosci 79:191 (LTP-pattern fields over the right hemisphere rated more pleasant); Richards, Koren & Persinger 1992, Percept Mot Skills 75:667 (right temporal burst-firing and apprehension in women); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Murphy, A God Helmet session using signals from the amygdala and the hippocampus; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
8 Coil Shakti two-phase: chirp both sides, then hippocampus rightClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-twophase-family-chirpbi-hippr, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
One of Todd Murphy's interhemispheric 'as seen on TV' two-phase sessions for the 8 Coil Shakti: the modulated 40 Hz chirp over both temporal lobes for 20 min, then the hippocampal 'LTP' signal over the right temporal lobe for 20 min (the 40-min run most users prefer, Murphy says). Murphy states that the hippocampal signal on the right in phase 2 gives non-verbal calm and imagery.
Setting: Darkness and acoustic silence ('not just quiet'), at night; eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark. The vendor: 'You don't have to use sensory deprivation if you're looking for after-effects.'
Schedule: Vendor: while trying sessions out, at most every 72 h; once you settle on a session, once a week; never on consecutive days. For sessions of an hour or more (the 60-min run) the demo video and the safety pages say once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions from that rule.
Coils: CH1 FTT7h, CH2 TTP9h, CH3 FTT8h, CH4 TTP10h, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both sides (2 coils each) | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | All coils together, weighted |
| 2 | Hippocampal LTP, right side (4 coils) | 20 | Point table of 260, 3 ms per point, 4000 ms pause | All coils together, weighted |
Coils as in the photos on the vendor's output pages for the right-ending sessions: six on the right and two on the left ('The right side has four coils from the right channel, and two coils from the left channel. The left side has two coils from the left stereo channel.'). The four right-channel coils form a cross over the right temporal lobe (FT8 front, C6 top, TP8 back, T10 bottom; CH5-8); the two left-channel coils on the right sit inside that cross, above-front and below-back of its centre (FTT8h and TTP10h; CH3-4), and the two on the left form the same diagonal pair over the left temporal lobe (FTT7h and TTP9h; CH1-2). The 10-5 sites are read from the photos and are an inference. Phase 1 (20 min) drives the four left-channel coils together (the left channel over both sides); phase 2 (20 min, abrupt switch) drives the four right-channel coils (the right channel over the right side only). There is no rotation, as on the two-channel Shakti. Polarity as in the photos ('Note the positions of the positive and negative coils carefully'): the right cross has its top and front coils - (C6, FT8: weight -1) and its back and bottom coils + (TP8, T10); of the left-channel coils, the pair on the right has its upper-front coil + (FTT8h) and lower-back coil - (TTP10h), and the pair on the left the reverse (FTT7h -, TTP9h +). Its output page's setup sentence is copied from the left-ending pages ('The left side has four coils from the left channel ...'), but its phase list (left channel on both sides, then right channel on the right side) and its photos are those of the right-ending layout, which this file follows. Durations: the output pages and Murphy's demo video offer 40- and 60-min runs, and the video says 'most users seem to prefer the 40-minute session, 20 minutes of each of the signals seems to be enough' (in agreement, Murphy says, with some of the laboratory work); this file is that 40-min run. The 60-min run is presumably 30 + 30 min (not stated). The rotating Shiva God Helmet versions of this design are murphy-gh-chirpbi-hippr-40min and -60min. The 'modulated 40 Hz chirp' is proprietary (Murphy relates it to the frequency-modulated Thomas pattern and describes it as the modulated 40 Hz signal with gaps that get longer, amplitude and gaps varied by a Fibonacci constant); it is approximated by a sweep slowing from 40 to 6 Hz (the end frequency is a choice), 837 points at 3 ms (2.5 s) once every 4 s, after the published FM pattern (837 points at 1 ms every 4 s; Tiller & Persinger 2002 and the Shakti use 3-ms points). The 40 Hz phase modulation and the Fibonacci amplitude changes are not reproduced. The hippocampal 'LTP' signal is proprietary; it is approximated by 5 theta bursts of 4 biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), repeated at 5.4 Hz (the spectral peak the vendor gives for its LTP signal) and drawn on Shakti's standard 3-ms points (0.78 s; the burst count is a choice), then the standard 4-s silence. Vendor: 'Be careful when setting up these sessions ... check and double-check' (here: check that the coils sit on the correct sides); the first phase may be unpleasant, and Skip goes to phase 2. Test the phase-2 signal on each side first with 10-min test sessions. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on one small Persinger-lab study (Persinger, Richards & Koren 1994). Murphy warns that the chirp can be 'very unpleasant over the right side'. For the God Helmet version of this design he advises: if anxiety or fear appears during or after phase 2, don't reuse it; not for people prone to anxiety. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's two-phase pages (2026): 20 + 20 min instead of 30 + 30, eight separate coils as on the output pages instead of six with two shared between the phases, and polarity from the session photos instead of the general coil chart. Still approximate: the coil sites and both signal templates.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Two-phase sessions (as seen on TV); Murphy, Shakti demo: output chirp both, then hippocampus right (setup photos); Murphy, Shakti Software Demo (video; 40-min runs of 20 min per signal); Murphy, Shakti demo: Modulated 40 Hz chirp signal; Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3-ms points); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Persinger, Richards & Koren 1994, Int J Neurosci 79:191 (LTP-pattern fields over the right hemisphere rated more pleasant); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Murphy, God Helmet sessions use two-step stimulation (chirp both, then hippocampus right); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
8 Coil Shakti two-phase: modulated 40 Hz both sides, then hippocampus rightClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-twophase-family-mod40bi-hippr, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
One of Todd Murphy's interhemispheric 'as seen on TV' two-phase sessions for the 8 Coil Shakti: the 'modulated 40 Hz' signal over both temporal lobes for 20 min, then the hippocampal 'LTP' signal over the right temporal lobe for 20 min (the 40-min run most users prefer, Murphy says). Murphy states that the hippocampal signal on the right in phase 2 gives non-verbal calm and imagery.
Setting: Darkness and acoustic silence ('not just quiet'), at night; eyes closed or blindfolded; relax without meditating or falling asleep. A helper can press Skip or Stop so you stay in the dark. The vendor: 'You don't have to use sensory deprivation if you're looking for after-effects.'
Schedule: Vendor: while trying sessions out, at most every 72 h; once you settle on a session, once a week; never on consecutive days. For sessions of an hour or more (the 60-min run) the demo video and the safety pages say once every 3 weeks (one week if the session had no effect), but the vendor's 60-minute page exempts two-phase sessions from that rule.
Coils: CH1 FTT7h, CH2 TTP9h, CH3 FTT8h, CH4 TTP10h, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides (2 coils each) | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | All coils together, weighted |
| 2 | Hippocampal LTP, right side (4 coils) | 20 | Point table of 260, 3 ms per point, 4000 ms pause | All coils together, weighted |
Coils as in the photos on the vendor's output pages for the right-ending sessions: six on the right and two on the left ('The right side has four coils from the right channel, and two coils from the left channel. The left side has two coils from the left stereo channel.'). The four right-channel coils form a cross over the right temporal lobe (FT8 front, C6 top, TP8 back, T10 bottom; CH5-8); the two left-channel coils on the right sit inside that cross, above-front and below-back of its centre (FTT8h and TTP10h; CH3-4), and the two on the left form the same diagonal pair over the left temporal lobe (FTT7h and TTP9h; CH1-2). The 10-5 sites are read from the photos and are an inference. Phase 1 (20 min) drives the four left-channel coils together (the left channel over both sides); phase 2 (20 min, abrupt switch) drives the four right-channel coils (the right channel over the right side only). There is no rotation, as on the two-channel Shakti. Polarity as in the photos ('Note the positions of the positive and negative coils carefully'): the right cross has its top and front coils - (C6, FT8: weight -1) and its back and bottom coils + (TP8, T10); of the left-channel coils, the pair on the right has its upper-front coil + (FTT8h) and lower-back coil - (TTP10h), and the pair on the left the reverse (FTT7h -, TTP9h +). Durations: the output pages and Murphy's demo video offer 40- and 60-min runs, and the video says 'most users seem to prefer the 40-minute session, 20 minutes of each of the signals seems to be enough' (in agreement, Murphy says, with some of the laboratory work); this file is that 40-min run. The 60-min run is presumably 30 + 30 min (not stated). The rotating Shiva God Helmet versions of this design are murphy-gh-mod40bi-hippr-40min and -60min. The 'modulated 40 Hz' signal is proprietary; it is approximated by a continuous 40 Hz sine whose phase swings by up to 3 rad every 2 s (38.5-41.5 Hz). The hippocampal 'LTP' signal is proprietary; it is approximated by 5 theta bursts of 4 biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), repeated at 5.4 Hz (the spectral peak the vendor gives for its LTP signal) and drawn on Shakti's standard 3-ms points (0.78 s; the burst count is a choice), then the standard 4-s silence. Vendor: 'Be careful when setting up these sessions ... check and double-check' (here: check that the coils sit on the correct sides); the first phase may be unpleasant, and Skip goes to phase 2. Test the phase-2 signal on each side first with 10-min test sessions. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on one small Persinger-lab study (Persinger, Richards & Koren 1994). For the God Helmet version of this design Murphy advises: if anxiety or fear appears during or after phase 2, never reuse it; not for people prone to anxiety. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Revised after a re-check of the vendor's two-phase pages (2026): 20 + 20 min instead of 30 + 30, eight separate coils as on the output pages instead of six with two shared between the phases, and polarity from the session photos instead of the general coil chart. Still approximate: the coil sites and both signal templates.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Two-phase sessions (as seen on TV); Murphy, Shakti demo: output modulated 40 Hz both, then hippocampus right (setup photos); Murphy, Shakti Software Demo (video; 40-min runs of 20 min per signal); Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Persinger, Richards & Koren 1994, Int J Neurosci 79:191 (LTP-pattern fields over the right hemisphere rated more pleasant); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Murphy, God Helmet session over both sides and then over one side (modulated 40 Hz, then hippocampus right); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
God Helmet (Shiva): chirp both sides, then hippocampus right, 40 minClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-chirpbi-hippr-40min, layout: custom, Todd Murphy (Shiva God Helmet software)
Murphy's Shiva God Helmet variant: the modulated-40 Hz chirp steps around both temporal lobes, then a hippocampal theta-burst ('LTP') signal steps around the right side only. Murphy reports inner silence, deep calm, inner images and possibly a sense of spaciousness; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence; relax without meditating or falling asleep.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy).
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both sides | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Hippocampal theta-burst, right side, counter-clockwise | 20 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 125 ms per coil |
Phase 1 (20 min): the chirp on all eight coils, left side clockwise and right side counter-clockwise. Phase 2 (20 min, abrupt switch): the hippocampal signal on the four right coils only, counter-clockwise. The vendor page gives no phase lengths; the usual God Helmet 20 + 20 or 30 + 30 min are used. If anxiety or fear appears during or after phase 2, don't reuse the session (Murphy explains it as 'spill' from the right hippocampus into the right amygdala); Murphy says not to begin with this session if you are prone to anxiety; the vendor calls it experimental. If headaches occur (the vendor reports about 2% with hippocampal signals), lower the intensity by one-third. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Field about 1 µT, as in the lab God Helmet. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The hippocampal 'LTP' template is unpublished; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s) then the vendor's standard 4 s silence, so the trains fill about 8 s of each minute (the vendor states about 9.6 s of field per minute). The burst count is a choice; the vendor's 3-ms points are not copied because the 100 Hz pulses need 0.5-ms points. Coil steps: the exact step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. Directions follow Murphy's 'clockwise over the left side, counter-clockwise over the right', read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8); this reading is an inference (an image caption on Murphy's session list says the right side cycles clockwise, contradicting his text; the text is followed), and the placement order is set so the app's per-side directions mean exactly this. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. This is the 40-min version (20 + 20 min); the 60-min version is murphy-gh-chirpbi-hippr-60min.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, God Helmet Sessions use two-step stimulation (chirp both, hippocampus right); Murphy, God Helmet session list; Murphy, God Helmet schedule; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Random Theta Band output (5.4 Hz peak of the hippocampal signal); Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Larson & Lynch 1986, Science (theta-burst LTP timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191 (LTP-pattern fields, right side rated more pleasant); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet (Shiva): chirp both sides, then hippocampus right, 60 minClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-chirpbi-hippr-60min, layout: custom, Todd Murphy (Shiva God Helmet software)
Murphy's Shiva God Helmet variant: the modulated-40 Hz chirp steps around both temporal lobes, then a hippocampal theta-burst ('LTP') signal steps around the right side only. Murphy reports inner silence, deep calm, inner images and possibly a sense of spaciousness; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence; relax without meditating or falling asleep.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy). Murphy's Shiva pages allow 60-min sessions weekly or every two weeks; his Shakti pages say at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both sides | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Hippocampal theta-burst, right side, counter-clockwise | 30 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 125 ms per coil |
Phase 1 (30 min): the chirp on all eight coils, left side clockwise and right side counter-clockwise. Phase 2 (30 min, abrupt switch): the hippocampal signal on the four right coils only, counter-clockwise. The vendor page gives no phase lengths; the usual God Helmet 20 + 20 or 30 + 30 min are used. If anxiety or fear appears during or after phase 2, don't reuse the session (Murphy explains it as 'spill' from the right hippocampus into the right amygdala); Murphy says not to begin with this session if you are prone to anxiety; the vendor calls it experimental. If headaches occur (the vendor reports about 2% with hippocampal signals), lower the intensity by one-third. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Field about 1 µT, as in the lab God Helmet. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The hippocampal 'LTP' template is unpublished; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s) then the vendor's standard 4 s silence, so the trains fill about 8 s of each minute (the vendor states about 9.6 s of field per minute). The burst count is a choice; the vendor's 3-ms points are not copied because the 100 Hz pulses need 0.5-ms points. Coil steps: the exact step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. Directions follow Murphy's 'clockwise over the left side, counter-clockwise over the right', read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8); this reading is an inference (an image caption on Murphy's session list says the right side cycles clockwise, contradicting his text; the text is followed), and the placement order is set so the app's per-side directions mean exactly this. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. This is the 60-min version (30 + 30 min); the 40-min version is murphy-gh-chirpbi-hippr-40min.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, God Helmet Sessions use two-step stimulation (chirp both, hippocampus right); Murphy, God Helmet session list; Murphy, God Helmet schedule; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Random Theta Band output (5.4 Hz peak of the hippocampal signal); Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Larson & Lynch 1986, Science (theta-burst LTP timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191 (LTP-pattern fields, right side rated more pleasant); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet (Shiva): left chirp, then hippocampus both sides, 40 minClaim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-chirpl-hippbi-40min, layout: custom, Todd Murphy (Shiva God Helmet software)
Murphy's mirror of the classic design: the modulated-40 Hz chirp on the left temporal lobe, which he says quiets the right, then a hippocampal theta-burst ('LTP') signal over both sides, meant to make the right hippocampus burst into activity. Murphy reports a calm 'theta state' with imagery that can deepen meditation or trance done about 90 min later; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence; relax without meditating or falling asleep during the session. Murphy suggests meditation or trance practice about 90 min afterwards.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy).
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, left side, clockwise | 20 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping clockwise around the left side, 125 ms per coil |
| 2 | Hippocampal theta-burst, both sides | 20 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
Phase 1 (20 min): the chirp on the four left coils only, clockwise; Murphy says it can feel very pleasant, even blissful. If irritability or anger appears in phase 1, press Skip to go to phase 2; people prone to irritability should avoid this session or be ready to skip (session list), and the session page also warns people prone to anxiety. Phase 2 (20 min, abrupt switch): the hippocampal signal on all eight coils, left side clockwise and right side counter-clockwise. If anxiety or fear appears during or after phase 2, never reuse it. If headaches occur (the vendor reports about 2% with hippocampal signals), lower the intensity by one-third. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Field about 1 µT, as in the lab God Helmet. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The hippocampal 'LTP' template is unpublished; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s) then the vendor's standard 4 s silence, so the trains fill about 8 s of each minute (the vendor states about 9.6 s of field per minute). The burst count is a choice; the vendor's 3-ms points are not copied because the 100 Hz pulses need 0.5-ms points. Coil steps: the exact step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. Directions follow Murphy's 'clockwise over the left side, counter-clockwise over the right', read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8); this reading is an inference (an image caption on Murphy's session list says the right side cycles clockwise, contradicting his text; the text is followed), and the placement order is set so the app's per-side directions mean exactly this. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. This is the 40-min version (20 + 20 min); the 60-min version is murphy-gh-chirpl-hippbi-60min.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, A God Helmet Session with two signals in succession (chirp left, hippocampus both); Murphy, God Helmet session list; Murphy, God Helmet schedule; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Random Theta Band output (5.4 Hz peak of the hippocampal signal); Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Larson & Lynch 1986, Science (theta-burst LTP timing); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet (Shiva): left chirp, then hippocampus both sides, 60 minClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-chirpl-hippbi-60min, layout: custom, Todd Murphy (Shiva God Helmet software)
Murphy's mirror of the classic design: the modulated-40 Hz chirp on the left temporal lobe, which he says quiets the right, then a hippocampal theta-burst ('LTP') signal over both sides, meant to make the right hippocampus burst into activity. Murphy reports a calm 'theta state' with imagery that can deepen meditation or trance done about 90 min later; independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Setting: Darkness and acoustic silence; relax without meditating or falling asleep during the session. Murphy suggests meditation or trance practice about 90 min afterwards.
Schedule: At most once a week, never on consecutive days; a series of 6, then a 21-day break; do not mix with other Shiva or Shakti sessions in the same weeks (Murphy). Murphy's Shiva pages allow 60-min sessions weekly or every two weeks; his Shakti pages say at most once every 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, left side, clockwise | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | Stepping clockwise around the left side, 125 ms per coil |
| 2 | Hippocampal theta-burst, both sides | 30 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
Phase 1 (30 min): the chirp on the four left coils only, clockwise; Murphy says it can feel very pleasant, even blissful. If irritability or anger appears in phase 1, press Skip to go to phase 2; people prone to irritability should avoid this session or be ready to skip (session list), and the session page also warns people prone to anxiety. Phase 2 (30 min, abrupt switch): the hippocampal signal on all eight coils, left side clockwise and right side counter-clockwise. If anxiety or fear appears during or after phase 2, never reuse it. If headaches occur (the vendor reports about 2% with hippocampal signals), lower the intensity by one-third. Not for anyone with a psychiatric diagnosis or medication, epilepsy, migraine or brain injury, or on drugs; no other mind machines at the same time; stop on any distress. Field about 1 µT, as in the lab God Helmet. The 'modulated 40 Hz chirp' template is proprietary. Murphy relates it to the frequency-modulated Thomas pattern, so it is approximated by a decelerating sweep from 40 to 6 Hz (the range is a choice) in 3-ms points, 2.5 s on and 1.5 s off: the 837 points of Dixon & Persinger 2001 (who used 1-ms points) at the 3-ms points of Tiller & Persinger 2002, once every 4 s; the 40 Hz modulation itself is not reproduced. The hippocampal 'LTP' template is unpublished; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s) then the vendor's standard 4 s silence, so the trains fill about 8 s of each minute (the vendor states about 9.6 s of field per minute). The burst count is a choice; the vendor's 3-ms points are not copied because the 100 Hz pulses need 0.5-ms points. Coil steps: the exact step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. Directions follow Murphy's 'clockwise over the left side, counter-clockwise over the right', read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8); this reading is an inference (an image caption on Murphy's session list says the right side cycles clockwise, contradicting his text; the text is followed), and the placement order is set so the app's per-side directions mean exactly this. The cross centred near T7/T8 is an inference from 'four coils over each temporal lobe, above and forward of the ears'. This is the 60-min version (30 + 30 min); the 40-min version is murphy-gh-chirpl-hippbi-40min.
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, A God Helmet Session with two signals in succession (chirp left, hippocampus both); Murphy, God Helmet session list; Murphy, God Helmet schedule; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Random Theta Band output (5.4 Hz peak of the hippocampal signal); Murphy, Shakti demo: Rapid and High-Speed signals (3 ms points, 4 s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3 ms points); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Larson & Lynch 1986, Science (theta-burst LTP timing); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: amygdala both sides, then hippocampus right (40 min)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-amybi-hippr-40min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the amygdala burst-firing signal over both temporal lobes, then the hippocampal 'LTP' signal over the right temporal lobe only. The vendor expects 'deep calm, inner images, and possibly a sense of spaciousness' in phase 2; 40-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: at most weekly, never on consecutive days; a series of up to 6 sessions, then a 21-day break; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala burst-firing, both sides cycling | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Hippocampal LTP, right side cycling | 20 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 125 ms per coil |
40-minute version (20 + 20 min, switching abruptly); the vendor also offers a 60-minute version (murphy-gh-amybi-hippr-60min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The amygdala 'burstx' file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) with 230 points, the point count of the published lab burst-firing pattern (which used 4-ms points; Ryczko & Persinger 2002), on the vendor's standard 3-ms points, so 0.69 s, close to the 'about 0.7 s' bursts Persinger's lab reported at 1 µT (Persinger, Hoang & Baker-Price 2009); then the 4-s silence: about 9 s of field per minute (the vendor states 9.6 s). The hippocampal 'LTP' file is proprietary; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s), then the vendor's standard 4-s silence; the burst count is a choice, and 0.5-ms points replace the vendor's 3-ms points because 100 Hz pulses need them. 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG); the vendor's own figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). Fear or anxiety in phase 1 means stop. Murphy reports that irritability in phase 1 'is often a sign that the second phase will be especially effective'. Fear or anxiety in phase 2 means stop and never reuse this session. Not for people prone to anxiety. Persinger's lab reported more aggression and less trust after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993). The vendor reports headache or pressure in about 2% with the hippocampal signal; if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on a small Persinger-lab study (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-amygdala, right-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, A God Helmet Session using signals from the Amygdala and the Hippocampus; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, God Helmet schedule; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Gillis & Persinger 1993, Percept Mot Skills 76:168; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: amygdala both sides, then hippocampus right (60 min)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-amybi-hippr-60min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the amygdala burst-firing signal over both temporal lobes, then the hippocampal 'LTP' signal over the right temporal lobe only. The vendor expects 'deep calm, inner images, and possibly a sense of spaciousness' in phase 2; 60-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: God Helmet sessions at most weekly, up to 6, then a 21-day break; for 60-minute sessions the Shiva pages say weekly or every two weeks and the Shakti pages at most every 3 weeks (the longer gap is the cautious choice). Never on consecutive days; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala burst-firing, both sides cycling | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Hippocampal LTP, right side cycling | 30 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 125 ms per coil |
60-minute version (30 + 30 min, switching abruptly); the vendor also offers a 40-minute version (murphy-gh-amybi-hippr-40min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The amygdala 'burstx' file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz) with 230 points, the point count of the published lab burst-firing pattern (which used 4-ms points; Ryczko & Persinger 2002), on the vendor's standard 3-ms points, so 0.69 s, close to the 'about 0.7 s' bursts Persinger's lab reported at 1 µT (Persinger, Hoang & Baker-Price 2009); then the 4-s silence: about 9 s of field per minute (the vendor states 9.6 s). The hippocampal 'LTP' file is proprietary; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s), then the vendor's standard 4-s silence; the burst count is a choice, and 0.5-ms points replace the vendor's 3-ms points because 100 Hz pulses need them. 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG); the vendor's own figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). Fear or anxiety in phase 1 means stop. Murphy reports that irritability in phase 1 'is often a sign that the second phase will be especially effective'. Fear or anxiety in phase 2 means stop and never reuse this session. Not for people prone to anxiety. Persinger's lab reported more aggression and less trust after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993). The vendor reports headache or pressure in about 2% with the hippocampal signal; if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on a small Persinger-lab study (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-amygdala, right-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, A God Helmet Session using signals from the Amygdala and the Hippocampus; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, God Helmet schedule; Murphy, Shiva demo: Session lengths; Murphy, Shakti demo: How long should sessions be; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Gillis & Persinger 1993, Percept Mot Skills 76:168; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: modulated 40 Hz both sides, then hippocampus right (40 min)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-gh-mod40bi-hippr-40min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the 'modulated 40 Hz' signal over both temporal lobes, then the hippocampal 'LTP' signal over the right temporal lobe. The vendor expects inner silence, deep calm, inner images and spaciousness, with a possible 'psychic' undertone; 40-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: at most weekly, never on consecutive days; a series of up to 6 sessions, then a 21-day break; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides cycling | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Hippocampal LTP, right side cycling | 20 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 125 ms per coil |
40-minute version (20 + 20 min, switching abruptly); the vendor also offers a 60-minute version (murphy-gh-mod40bi-hippr-60min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The 'modulated 40 Hz' file is proprietary; the vendor calls it a signal 'almost in sync with the brain's own binding factor, but not quite' and, on its Shakti pages, a 'constant tone'. It is approximated by a continuous 40 Hz carrier whose phase swings up to 3 rad ahead of and behind a steady 40 Hz every 2 s (38.5-41.5 Hz). The hippocampal 'LTP' file is proprietary; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s), then the vendor's standard 4-s silence; the burst count is a choice, and 0.5-ms points replace the vendor's 3-ms points because 100 Hz pulses need them. 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG), and the vendor's '10mG' calibration for the modulated 40 Hz signal; the vendor's other figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). If anxiety or fear appears during or after phase 2, never reuse this session (vendor). The vendor calls the session 'a bit experimental'. Not for people prone to anxiety. The vendor reports headache or pressure in about 2% with the hippocampal signal; if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on a small Persinger-lab study (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, God Helmet session over both sides and then over one side (modulated 40 Hz both, then hippocampus right); Murphy, Modulated 40 Hz signal for the God Helmet; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, God Helmet schedule; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
God Helmet: modulated 40 Hz both sides, then hippocampus right (60 min)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-gh-mod40bi-hippr-60min, layout: custom, Todd Murphy (Shiva God Helmet software); signal templates licensed from Persinger & Koren
Todd Murphy's two-phase Shiva God Helmet session: the 'modulated 40 Hz' signal over both temporal lobes, then the hippocampal 'LTP' signal over the right temporal lobe. The vendor expects inner silence, deep calm, inner images and spaciousness, with a possible 'psychic' undertone; 60-minute version.
Setting: Darkness and acoustic silence (the vendor: 'silence, not just quiet'), blindfold or eyes closed; sit or lie relaxed without meditating or falling asleep. The vendor prefers night sessions on geomagnetically quiet days and a helper who can stop the session. No meditation, mind machines or drugs at the same time.
Schedule: Vendor rules: God Helmet sessions at most weekly, up to 6, then a 21-day break; for 60-minute sessions the Shiva pages say weekly or every two weeks and the Shakti pages at most every 3 weeks (the longer gap is the cautious choice). Never on consecutive days; not mixed with Shiva or Shakti sessions in the same weeks; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, both sides cycling | 30 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 125 ms per coil |
| 2 | Hippocampal LTP, right side cycling | 30 | Point table of 1190, 0.5 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 125 ms per coil |
60-minute version (30 + 30 min, switching abruptly); the vendor also offers a 40-minute version (murphy-gh-mod40bi-hippr-40min). Four coils per temporal lobe in a cross centred near T7/T8 (an inference from 'four coils over each temporal lobe'); the field steps from coil to coil, 'clockwise over the left side, counter-clockwise over the right' as the vendor states, read with each side seen from its own side, so both sides step top, back, bottom, front (C5-TP7-T9-FT7 and C6-TP8-T10-FT8; an inference). An image caption on the vendor's session list says the signals cycle clockwise on the right side, which contradicts the text; this preset follows the text. The step time is unpublished (Murphy: one cycle takes 'a fraction of a second'), so 125 ms per coil (0.5 s per cycle) is used. The 'modulated 40 Hz' file is proprietary; the vendor calls it a signal 'almost in sync with the brain's own binding factor, but not quite' and, on its Shakti pages, a 'constant tone'. It is approximated by a continuous 40 Hz carrier whose phase swings up to 3 rad ahead of and behind a steady 40 Hz every 2 s (38.5-41.5 Hz). The hippocampal 'LTP' file is proprietary; it is approximated by the project's Larson & Lynch theta-burst table (4 pulses at 100 Hz per burst) at the 5.4 Hz spectral peak the vendor reports for this signal, 4 bursts (0.6 s), then the vendor's standard 4-s silence; the burst count is a choice, and 0.5-ms points replace the vendor's 3-ms points because 100 Hz pulses need them. 1 µT follows Persinger's papers, which mostly report about 1 µT (10 mG), and the vendor's '10mG' calibration for the modulated 40 Hz signal; the vendor's other figures disagree (10-20 mG on one page, a 50 or 90 mG 'laboratory standard' on others). If anxiety or fear appears during or after phase 2, never reuse this session (vendor). The vendor calls the session 'a bit experimental'. Not for people prone to anxiety. The vendor reports headache or pressure in about 2% with the hippocampal signal; if so, lower the intensity by one third. The 'hippocampus on the right' rule rests on a small Persinger-lab study (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Vendor exclusions: epilepsy or seizure history, psychiatric conditions or medication, migraine, brain injury, drugs. Stop on any distress. Independent double-blind tests found no effect of the fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, God Helmet session over both sides and then over one side (modulated 40 Hz both, then hippocampus right); Murphy, Modulated 40 Hz signal for the God Helmet; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Murphy, God Helmet session list; Murphy, Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (9.6 s of field per minute); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, God Helmet schedule; Murphy, Shiva demo: Session lengths; Murphy, Shakti demo: How long should sessions be; Murphy, God Helmet set and setting; Murphy, What to do during God Helmet sessions; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Meditation prep / temporal session (both sides)Anecdote: Personal reports only30 min, 1.0 µT
meditation-prep, layout: custom, Todd Murphy (Shakti meditation advice; temporal sessions of the Feelgood and lucid-dream recipes)
Murphy's temporal session: the amygdala and hippocampal signals one after the other, with 4-s pauses, over both temporal lobes for 30 min, as preparation for meditation an hour or two later. Murphy: don't meditate during the stimulation. It is also the temporal session of his lucid-dream series (five weekly sessions before the frontal one).
Setting: No darkness or sensory deprivation needed; seated, eyes closed, relaxed but not meditating. Meditate 60-120 min after the session ends (Murphy: "an hour to 90 minutes later").
Schedule: Weekly or every 72 h, never on consecutive days; several sessions may be needed before an effect is noticed. Series of six, then a 21-day break. Lucid-dream series: five weekly sessions, then the frontal preset.
Coils: CH1 FT7, CH2 TP7, CH3 FT8, CH4 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Temporal: amygdala, then hippocampus | 30 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together |
For Vipassana or Zen, Murphy suggests 30-min Feelgood or 'altered states' sessions over both sides, or hippocampal signals over the right side only, and practising "an hour to 90 minutes later". This preset is the temporal part those bilateral sessions share: phase 1 of the Feelgood session and sessions 1-5 of the lucid-dream series play the amygdala and hippocampal signals in sequence over both temporal lobes. Two coils per side (FT7, TP7 and FT8, TP8 on CH1-4, so the same 8-coil set-up runs the frontal preset on CH5-8); the vendor shows only photos, so the site names are an inference. The signals are proprietary. One pass here is: the amygdala signal, approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s; the 230-point length is from Ryczko & Persinger 2002); 4 s of silence (the vendor: the two signals are "generated one after the other ... with a four-second latency"); the hippocampal 'LTP' signal, approximated by four theta bursts of four 100 Hz pulses (Larson & Lynch timing) repeated at 5.4 Hz, the spectral peak the vendor reports for it (0.6 s, with 1-ms points instead of the vendor's 3-ms points so the 100 Hz pulses fit); then 4 s of silence again. That gives about 8 s of field per minute (the vendor states 9.6 s). Meditating or using other mind machines during the session "gives your brain conflicting instructions", Murphy says; use other mind machines about 2 h later, and no more than 3-5 a day. An independent sham-controlled test of the 8 Coil Shakti amygdala signal over both temporal lobes (30 min) found no effect on emotional responses (Gendle & McGrath 2012), and Granqvist 2005 found no field effect. Persinger's lab reported more aggression and less trust after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993): stop if you notice irritability. Not for people with epilepsy, migraine, a psychiatric diagnosis or medication.
Aims at: left-amygdala, right-amygdala, left-hippocampus-body, right-hippocampus-body (field on the brain)
Sources:Murphy, Meditation and the 8 Coil Shakti; Murphy, Shakti demo: During sessions; Murphy, 8 Coil Shakti safety; Murphy, Mood enhancement and the 8 Coil Shakti; Murphy, Lucid dreaming and the 8 Coil Shakti; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Deja vu lecture; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Gendle & McGrath 2012, Percept Mot Skills 114:217; Granqvist et al. 2005, Neurosci Lett 379:1
Shakti meditation prep: hippocampus rightAnecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-meditation-hippocampus-right, layout: custom, Todd Murphy, 8 Coil Shakti meditation recipe
Murphy's meditation recipe for the 8 Coil Shakti, hippocampal variant: 30 min of the hippocampal signal over the right temporal lobe only, then meditate 60 to 120 min later. Murphy reports deeper meditation when the practice follows the session ('Shakti first, and the other an hour to 90 minutes later').
Setting: No sensory deprivation needed; sit or lie relaxed. Do not meditate during the session. Practise (for example Vipassana or Zen) 60 to 120 min after it ends.
Schedule: Murphy asks for patience: it may take several sessions. Vendor rules: at most once a week or every 72 h, never on consecutive days; a series of up to 6 sessions, then a 21-day break.
Coils: CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal LTP, right temporal lobe | 30 | Point table of 248, 3 ms per point, 4000 ms pause | Right side only |
Murphy: for Vipassana or Zen use Feelgood or 'altered states' sessions over both sides, or hippocampal signals over the right side only, and 30 min is 'the right length for meditation enhancement'. This file is the right-side hippocampal variant, on the 8 Coil Shakti's 4-coil cross over the right temporal lobe (front FT8, top C6, back TP8, bottom T10; the vendor gives the cross as a chart and photos without 10-10 names, so the sites are an inference); the left channels stay silent. The Feelgood and Altered States options are separate programs and are not copied here: murphy-shakti8-feelgood-1phase-frontal (30 min) or murphy-shakti8-feelgood-2phase-40min, and murphy-shakti8-altered-states-40min; end them 60 to 120 min before meditating. The wait and the meditation are not part of the program; use your own timer. The hippocampal 'LTP' file is proprietary. It is approximated on the vendor's standard 3-ms points: 4 bursts of 4 biphasic pulses 9 ms apart, one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), then the standard 4 s of silence (about 9.4 s of field per minute; the vendor gives 9.6 s). Hippocampus on the right follows a small Persinger-lab study (Persinger, Richards & Koren 1994: right-sided LTP-pattern fields were rated more pleasant). Murphy warns that meditating or using another mind machine during the session 'gives your brain conflicting instructions'; he also says a session can strengthen other mind machines used about 2 h later, and the vendor limits use to 'three to five devices per day'. The vendor reports headache or pressure in about 2% of users with hippocampal signals; if so, lower the intensity by one third. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Meditation and the 8 Coil Shakti; Murphy, 8 Coil Shakti safety; Murphy, Shakti demo: During sessions; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva Special Architecture (30 min, before practice)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-special-architecture-30, layout: custom, Todd Murphy, Shiva software (new in Shiva; Murphy: not tested in laboratory experiments)
Shorter use of Shiva's 'Special Architecture' session (left amygdala and right hippocampus signals together, both stepping back-to-front), finished about an hour before yoga, meditation, prayer or chanting. Murphy states that after shorter sessions the after-effects resemble meditation or deeper prayer.
Setting: Dark, quiet room, eyes closed; do not meditate during the session; finish about 1 h before yoga, meditation, prayer or chanting.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Left amygdala + right hippocampus, back-to-front (20 min) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 3946 ms pause | Stepping clockwise around the left side, 10 → 20 ms per coil (+2 ms steps) + Stepping counter-clockwise around the right side, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Left amygdala + right hippocampus, continued (30-min version) | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 3946 ms pause | Stepping clockwise around the left side, 10 → 20 ms per coil (+2 ms steps) + Stepping counter-clockwise around the right side, 10 → 20 ms per coil (+2 ms steps) |
The four left coils (Fp1, FT7, TP7, O1) carry the amygdala signal stepping O1 → TP7 → FT7 → Fp1 (clockwise seen from above) and the four right coils (O2, TP8, FT8, Fp2) the hippocampal signal stepping O2 → TP8 → FT8 → Fp2 (counter-clockwise), 10, 12 … 20 ms per coil (Murphy's lecture example), so both run back-to-front. Murphy's page: 'the hippocampal signal, applied over the right runs counterclockwise, but the amygdala signal, applied over the left hemisphere, is applied in the opposite direction', so that 'both run back to front'. Both sides start at the back coils (O1, O2) and step forward in mirror image (the placement order is the counter-clockwise ring started at O1 only to set those start coils; how Shiva aligns the two sides is unpublished). Murphy says this is the only Shiva session that works this way. He pairs the hippocampus ('with its cognitive functions, and positive effects from the right side') with the amygdala ('an emotional structure with positive effects from the left, and negative ones from the right'), each chosen 'for its positive effects over that side', while each signal 'alters the binding factor' (vendor claim, extended from small Persinger-lab studies). One coil per site instead of Shiva's coil pairs. Both signal files are proprietary: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 → 30 Hz), 230 points × 3 ms (0.69 s, the published burst-firing length at the vendor's standard 3-ms points); the hippocampal 'LTP' file by a train of 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), at 3-ms points; these are the same stand-ins as in the Shiva amygdala and hippocampus simple sessions. The two start together every 4.69 s, each followed by about 4 s of silence. The 10-20 ms ramp is Murphy's illustrative lecture example (six values over four coils per side here, so the ramp does not line up with one lap of a side): his other statements of the Shiva speed ('around 9 times per second', about 14 ms per coil on the full 8-coil ring by our arithmetic; in 2007 'around the same speed' as the 25-ms binding factor) do not agree with it, and the real Shiva timing tables are unpublished. Shiva lists 20, 30 and 60-min versions of this session, but Murphy does not say which shorter length to use before practice; one user testimonial describes a 30-min session at 65% volume. Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Left-handed or ambidextrous users should start with short sessions and stop on fear, irritability, sadness or anxiety; not for people with epilepsy; stop at once if distressed. Murphy asks users to report unpleasant sessions. He reports headaches in about 2% of users of an earlier version of the technology, mostly with hippocampal signals, and advises lowering the intensity by a third. Re-checked Oct 2026 against the vendor page: the directions, the back-to-front stepping, the 20/30/60-min options and the 'not tested in laboratory experiments' statement are confirmed; the page's direction quote and the note on the conflicting speed statements were added, the hippocampus/amygdala rationale is now quoted in the page's own words, phase 1 was renamed to fit the helmet display, and the program is unchanged.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shiva demo: Simultaneous amygdala & hippocampus signals; Murphy, Shiva demo: Session lengths and schedules; Murphy, Shiva testimonials; Murphy, Shiva / Octopus and the 40 Hz Binding Factor; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Understanding Shiva neural stimulation ('around 9 times per second'); Wayback copy of the Shiva main page, 2007 ('around the same speed'); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Mood 17
4-coil Shakti: amygdala left + hippocampus right, synchronized (30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-amyl-hippr-variants-sync, layout: custom, Todd Murphy (Shakti software)
Murphy's stereo Shakti session in its 'synchronized' form: the amygdala signal on the left temporal lobe and the hippocampal signal on the right play at the same time. Murphy presents it as positive emotion (left amygdala) plus positive cognition (right hippocampus).
Setting: Evenings: the vendor says sessions are 'usually better after the sun goes down'. Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 TP7, CH5 FT8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala left + hippocampus right, synchronized | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 3946 ms pause | Left side only + Right side only |
4-coil Shakti layout: the left stereo channel's two coils on the left temporal lobe (FT7, TP7) and the right channel's two on the right (FT8, TP8), static, with no rotation or alternation; the vendor says only 'left channel coils on the left side, right channel on the right' (temporal or temporo-frontal), so the sites are an inference. The vendor gives no coil polarity for this 4-coil layout (the one + and one − coil per pair is documented only for the 8 Coil Shakti), so both coils of a side are driven with the same polarity here. Synchronized: both signals start together every 4.69 s, each followed by about 4 s of silence (Shakti's standard latency). Both signal files are proprietary: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s, the published 230-point burst-firing length at Shakti's standard 3-ms points); the hippocampal 'LTP' file by 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), on 3-ms points (0.74 s). Other forms of this session: murphy-shakti-amyl-hippr-variants-sequence (taking turns) and murphy-shakti-amyl-hippr-variants-slow (alternative slow hippocampal signal). Murphy aims the left amygdala signal at positive emotion and the right hippocampal signal at positive cognition, a vendor reading extended from small Persinger-lab studies (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Murphy reports male users feeling 'energized' and describing better 'verbal/mathematical/logical skills'; these are testimonials. One negative report followed sessions longer than suggested, so keep to 30 min and the schedule. Murphy reports headache or pressure in about 2% of users of an earlier version of the technology, mostly with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Amygdala (left) and hippocampus (right) signals; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (5jut4ran; 5.4 Hz FFT peak, also the LTP signal's peak); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
4-coil Shakti: amygdala left + slow hippocampus right (30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-amyl-hippr-variants-slow, layout: custom, Todd Murphy (Shakti software)
Murphy's stereo Shakti session with the alternative 'slow' hippocampal signal on the right temporal lobe and the amygdala signal on the left, offered for users whose standard sessions are 'duds'. Murphy calls the slow signal 'more experimental than the Standard Hippocampal signal'.
Setting: Evenings: the vendor says sessions are 'usually better after the sun goes down'. Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 TP7, CH5 FT8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala left + slow hippocampus right | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 4 ms per point, 4000 ms pause | Left side only + Right side only |
4-coil Shakti layout: the left stereo channel's two coils on the left temporal lobe (FT7, TP7) and the right channel's two on the right (FT8, TP8), static, with no rotation or alternation; the vendor says only 'left channel coils on the left side, right channel on the right' (temporal or temporo-frontal), so the sites are an inference. The vendor gives no coil polarity for this 4-coil layout (the one + and one − coil per pair is documented only for the 8 Coil Shakti), so both coils of a side are driven with the same polarity here. Murphy says the slow signal keeps the 'same EEG pattern (long-term potentiating)' but changes 'the duration of the bursts ... as well as the length of time between the bursts'; its file (tp_24_16) is unpublished. Approximations: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s, the published 230-point burst-firing length at Shakti's standard 3-ms points), then the standard 4 s of silence; the slow hippocampal signal by the project's standard LTP stand-in (4 theta bursts of 4 biphasic pulses) played on 4-ms points instead of 3, so the bursts and the time between them are a third longer (pulses 12 ms apart, bursts every 248 ms, about 4 Hz, a 0.99-s train), then 4 s of silence; the same choice as the project's Limbic Workout. The vendor does not say whether this form runs in sequence or at the same time; here both sides play at once, each with its own 4-s silence, so their onsets drift apart and back together. Standard forms: murphy-shakti-amyl-hippr-variants-sequence and murphy-shakti-amyl-hippr-variants-sync. Murphy aims the left amygdala signal at positive emotion and the right hippocampal signal at positive cognition, a vendor reading extended from small Persinger-lab studies (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Murphy reports male users feeling 'energized' and describing better 'verbal/mathematical/logical skills'; these are testimonials. One negative report followed sessions longer than suggested, so keep to 30 min and the schedule. Murphy reports headache or pressure in about 2% of users of an earlier version of the technology, mostly with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Amygdala (left) and hippocampus (right) signals; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (5jut4ran; 5.4 Hz FFT peak, also the LTP signal's peak); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
4-coil Shakti: amygdala left, then hippocampus right (in sequence, 30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-amyl-hippr-variants-sequence, layout: custom, Todd Murphy (Shakti software)
Murphy's stereo Shakti session in its 'in sequence' form: the amygdala signal on the left temporal lobe and the hippocampal signal on the right take turns with the standard 4-s silences. Murphy presents it as positive emotion (left amygdala) plus positive cognition (right hippocampus).
Setting: Evenings: the vendor says sessions are 'usually better after the sun goes down'. Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it.
Coils: CH1 FT7, CH2 TP7, CH5 FT8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala left -> hippocampus right, in sequence | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.74 s off, 3 ms points + Point table of 1811, 3 ms per point, 4000 ms pause | Left side only + Right side only |
4-coil Shakti layout: the left stereo channel's two coils on the left temporal lobe (FT7, TP7) and the right channel's two on the right (FT8, TP8), static, with no rotation or alternation; the vendor says only 'left channel coils on the left side, right channel on the right' (temporal or temporo-frontal), so the sites are an inference. The vendor gives no coil polarity for this 4-coil layout (the one + and one − coil per pair is documented only for the 8 Coil Shakti), so both coils of a side are driven with the same polarity here. In sequence, with the standard timings: amygdala on the left, 4 s of silence, hippocampus on the right, 4 s of silence (one cycle 9.4 s). Both signal files are proprietary: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s, the published 230-point burst-firing length at Shakti's standard 3-ms points); the hippocampal 'LTP' file by 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), on 3-ms points (0.74 s). Other forms of this session: murphy-shakti-amyl-hippr-variants-sync (both at once) and murphy-shakti-amyl-hippr-variants-slow (alternative slow hippocampal signal). Murphy aims the left amygdala signal at positive emotion and the right hippocampal signal at positive cognition, a vendor reading extended from small Persinger-lab studies (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Murphy reports male users feeling 'energized' and describing better 'verbal/mathematical/logical skills'; these are testimonials. One negative report followed sessions longer than suggested, so keep to 30 min and the schedule. Murphy reports headache or pressure in about 2% of users of an earlier version of the technology, mostly with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Amygdala (left) and hippocampus (right) signals; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (5jut4ran; 5.4 Hz FFT peak, also the LTP signal's peak); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
8 Coil Shakti Feelgood: one phase, frontalClaim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shakti8-feelgood-1phase-frontal, layout: custom, Todd Murphy (8 Coil Shakti); signal templates licensed from Persinger & Koren
Murphy's one-phase Feelgood session: the amygdala and hippocampal signals one after the other with 4-s pauses, over both frontal lobes only. The vendor calls it 'the most effective feelgood session' and says to begin with it rather than the two-phase version.
Setting: Not in sensory deprivation: the vendor says the Feelgood session 'should not be done in sensory deprivation', since it is meant for 'outward-looking', 'this-worldly' effects. No time of day is prescribed (the vendor's page on weekly sessions says they 'can be done any time of day'); the vendor notes that the effect often shows only the morning after.
Schedule: Vendor: 6 weekly sessions or 6 sessions every 3 days (never more often than every 72 h), then 3 weeks off. If a session is interrupted before it ends, wait three days and start it again from the beginning (if you miss a session of an every-3-days series, the vendor says to stop for three weeks).
Coils: CH5 Fp1, CH6 AF3, CH7 Fp2, CH8 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Frontal: amygdala, then hippocampus (20-min version) | 20 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
| 2 | Frontal, continued (30-min version) | 10 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
Phase 1 (20 min) is the 20-min version (Murphy's demo video: 'choose 20 minutes, that's usually a fine length for most people'): stop after it, or let phase 2 run for the 30-min version. Four coils over the frontal lobes (Fp1, AF3, Fp2, AF4 on CH5-8, the frontal group of the two-phase files; CH1-4 stay silent). The vendor describes this session as 'running the 'feelgood' session, and bypassing the first phase', 'doing only the second phase, which applies the signals only to the frontal lobes'; its 2019 photo of the single-phase setup labels the two right coils R and the two left coils L, and the demo video shows the signal on 'both stereo channels at once', so all four coils carry the same signal at the same time. Polarity as in that photo and the older front view: AF4 (upper right) and Fp1 (lower left) +, AF3 (upper left) and Fp2 (lower right) - (weight -1). The exact sites are an inference from the photos. The vendor's signals are proprietary. One pass here is: the amygdala signal, approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s; the 230-point length is from Ryczko & Persinger 2002); 4 s of silence (the vendor: 'generated one after the other ... with a four-second latency'); the hippocampal 'LTP' signal, approximated by four theta bursts of 4 pulses at 100 Hz (the Larson & Lynch timing of the project's ltp generator) at the 5.4 Hz spectral peak the vendor reports for it (0.6 s, with 1-ms points instead of the vendor's 3-ms points so the 100 Hz pulses fit); then 4 s of silence again. That gives about 8 s of field per minute (the vendor states 9.6 s). The vendor says you may feel 'a bit foggy' right after, that too many frontal (or temporal) sessions 'can create a kind of malaise or even lethargy', and that if unwanted effects appear after more than one series over the frontal or the temporal lobes, you should consider moving to the other. Intensity: the Shakti software defaults to 50% volume, which the vendor calls the 50 mG 'laboratory standard' (5 µT), while its measurement page gives 10 mG (1 µT) as the normal peak; no independent measurement of a Shakti unit was found, and this file uses 1 µT. Persinger's lab reported better mood with weekly burst-firing fields in small samples (Baker-Price & Persinger 1996, 2003, the latter with temporal or left-frontal placement; Tsang et al. 2009); none has been independently replicated. An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal over the temporal lobes found no effect on emotional responses (Gendle & McGrath 2012; Murphy argues it used the wrong session), and a double-blind God Helmet test found no field effect (Granqvist 2005). The same lab reported more aggression after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993) and more acceptance of false statements with burst-firing over the left prefrontal region (Ross, Koren & Persinger 2008). Not a treatment for depression or any illness: the vendor excludes people with psychiatric diagnoses. Not for people with epilepsy; stop if distressed. Revised after a re-check of the vendor's Feelgood pages (2026): coil polarity added (all four coils had the same polarity before), and the 'not in sensory deprivation' rule, the demo's 20-min suggestion and the vendor's intensity figures noted; on review, the time-of-day and interruption statements were corrected to the vendor's wording. Still approximate: the coil sites and both signal templates.
Aims at: vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Murphy, Mood enhancement & the 8 Coil Shakti; Murphy, The Feelgood Session for the 8 Coil Shakti; Shakti demo: Feelgood output page; Shakti demo: Feelgood consent (schedule, coil photos, not in sensory deprivation); Shakti demo: Feelgood consent, 2007 version (30-min phases, one channel at a time); Murphy, Shakti Software Demo (video; Feelgood channels, single phase of 20 min); Murphy, Shakti demo: Overcoming dud sessions (50 mG default); Murphy, Shakti demo: Measurement (10 mG normal peak); Murphy blog: 8 Coil Shakti feelgood session (reports); Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Shakti demo: Formal Discussion (9.6 s of field per minute); Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Baker-Price & Persinger 1996, Percept Mot Skills 83:491; Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Ross, Koren & Persinger 2008, Electromagn Biol Med 27:365; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, A Reply to Gendle & McGrath; Granqvist et al. 2005, Neurosci Lett 379:1; Murphy, Shakti demo: Doing sessions once a week (any time of day; metabolic snapback); Murphy, Shakti demo: Doing sessions every 72 hours (missed sessions); Murphy, Shakti demo: Too many sessions over the same area
8 Coil Shakti Feelgood: one phase, temporo-frontal (user variant)Anecdote: Personal reports only60 min, 1.0 µT
murphy-shakti8-feelgood-1phase-temporofrontal, layout: custom, An 8 Coil Shakti user, reported on Todd Murphy's blog; variant of Murphy's one-phase Feelgood session
A user-reported variant of Murphy's one-phase Feelgood session with the four coils moved from the frontal lobes to the temporo-frontal area, where the frontal and temporal lobes meet. Same signal: the amygdala and hippocampal signals one after the other with 4-s pauses.
Setting: Not in sensory deprivation: the vendor says the Feelgood session 'should not be done in sensory deprivation', since it is meant for 'outward-looking', 'this-worldly' effects. No time of day is prescribed (the vendor's page on weekly sessions says they 'can be done any time of day'); the vendor notes that the effect often shows only the morning after.
Schedule: Vendor: 6 weekly sessions or 6 sessions every 3 days (never more often than every 72 h), then 3 weeks off. The 60-min version is a one-phase hour-long session, which the vendor allows at most once every three weeks. If a session is interrupted before it ends, wait three days and start it again from the beginning (if you miss a session of an every-3-days series, the vendor says to stop for three weeks).
Coils: CH5 F7, CH6 FT7, CH7 F8, CH8 FT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Temporo-frontal: amygdala, then hippocampus (30-min version) | 30 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
| 2 | Temporo-frontal, continued (60-min version) | 30 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
The report names the area but not the sites; F7, FT7, F8 and FT8 (on CH5-8; CH1-4 stay silent) are an inference, and all four carry the same signal at once. Polarity is an inference too: each side gets one + and one - coil, as every Shakti channel has ('You need TWO poles (positive and negative) to make ONE magnetic field'), following the vendor's frontal photo, where each coil has the opposite polarity to its counterpart on the other side (here F7 and FT8 reversed, weight -1; FT7 and F8 as is). The user reported 30-min and 60-min sessions: phase 1 (30 min) is the 30-min version; stop after it, or let phase 2 run for the 60-min version. The vendor's own Feelgood phases are 20 or 30 min. This placement is one user's report, not a vendor design. The vendor's signals are proprietary. One pass here is: the amygdala signal, approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s; the 230-point length is from Ryczko & Persinger 2002); 4 s of silence (the vendor: 'generated one after the other ... with a four-second latency'); the hippocampal 'LTP' signal, approximated by four theta bursts of 4 pulses at 100 Hz (the Larson & Lynch timing of the project's ltp generator) at the 5.4 Hz spectral peak the vendor reports for it (0.6 s, with 1-ms points instead of the vendor's 3-ms points so the 100 Hz pulses fit); then 4 s of silence again. That gives about 8 s of field per minute (the vendor states 9.6 s). The vendor says you may feel 'a bit foggy' right after, that too many frontal (or temporal) sessions 'can create a kind of malaise or even lethargy', and that if unwanted effects appear after more than one series over the frontal or the temporal lobes, you should consider moving to the other. Intensity: the Shakti software defaults to 50% volume, which the vendor calls the 50 mG 'laboratory standard' (5 µT), while its measurement page gives 10 mG (1 µT) as the normal peak; no independent measurement of a Shakti unit was found, and this file uses 1 µT. Persinger's lab reported better mood with weekly burst-firing fields in small samples (Baker-Price & Persinger 1996, 2003, the latter with temporal or left-frontal placement; Tsang et al. 2009); none has been independently replicated. An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal over the temporal lobes found no effect on emotional responses (Gendle & McGrath 2012; Murphy argues it used the wrong session), and a double-blind God Helmet test found no field effect (Granqvist 2005). The same lab reported more aggression after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993) and more acceptance of false statements with burst-firing over the left prefrontal region (Ross, Koren & Persinger 2008). Not a treatment for depression or any illness: the vendor excludes people with psychiatric diagnoses. Not for people with epilepsy; stop if distressed. Revised after a re-check of the vendor's Feelgood pages (2026): coil polarity added (all four coils had the same polarity before), and the 'not in sensory deprivation' rule and the vendor's intensity figures noted; on review, the time-of-day and interruption statements were corrected to the vendor's wording. Still approximate: the sites, the polarity and both signal templates.
Aims at: left-temporal-pole, right-temporal-pole, lateral-orbitofrontal-cortex (field on the brain)
Sources:Murphy, Mood enhancement & the 8 Coil Shakti; Murphy, The Feelgood Session for the 8 Coil Shakti; Shakti demo: Feelgood output page; Shakti demo: Feelgood consent (schedule, coil photos, not in sensory deprivation); Shakti demo: Feelgood consent, 2007 version (30-min phases, one channel at a time); Murphy, Shakti Software Demo (video; Feelgood channels, single phase of 20 min); Murphy, Shakti demo: Overcoming dud sessions (50 mG default); Murphy, Shakti demo: Measurement (10 mG normal peak); Murphy blog: 8 Coil Shakti feelgood session (reports); Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Shakti demo: Formal Discussion (9.6 s of field per minute); Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Baker-Price & Persinger 1996, Percept Mot Skills 83:491; Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Ross, Koren & Persinger 2008, Electromagn Biol Med 27:365; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, A Reply to Gendle & McGrath; Granqvist et al. 2005, Neurosci Lett 379:1; Murphy, Shakti demo: Doing sessions once a week (any time of day; metabolic snapback); Murphy, Shakti demo: Doing sessions every 72 hours (missed sessions); Murphy, Shakti demo: Too many sessions over the same area; Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
8 Coil Shakti Feelgood: temporal, then frontal (40 min)Claim: Claimed by the author, lab or vendor; no controlled independent test40 min, 1.0 µT
murphy-shakti8-feelgood-2phase-40min, layout: custom, Todd Murphy (8 Coil Shakti), design based on Baker-Price & Persinger's burst-firing studies; signal templates licensed from Persinger & Koren
Murphy's two-phase Feelgood session for the 8 Coil Shakti: the amygdala and hippocampal signals one after the other with 4-s pauses, first over both temporal lobes, then over both frontal lobes. The vendor presents it for 'overcoming fear, anger and sadness' and says it suits people who are 'at their worst in the morning'.
Setting: Not in sensory deprivation: the vendor says the Feelgood session 'should not be done in sensory deprivation', since it is meant for 'outward-looking', 'this-worldly' effects. No time of day is prescribed (the vendor's page on weekly sessions says they 'can be done any time of day'); the vendor notes that the effect often shows only the morning after.
Schedule: Vendor: no more often than every three days for the 40-min session (once a week when effects appear for the 60-min one); six sessions, weekly or every 3 days, then a 3-week break. If no effects appear, alternate Feelgood and Altered States (murphy-shakti8-altered-states-40min) every three days for three sessions, then stop for a week (the vendor's general safety page, by contrast, advises against going back and forth between two session designs). If a session is interrupted before it ends, wait three days and start it again from the beginning (if you miss a session of an every-3-days series, the vendor says to stop for three weeks). The vendor's schedule pages describe a possible 'metabolic snapback' beginning about four days after the second session; the vendor says the effects of one session last 3-4 days, and claims a 6-week series lasts about 6 months.
Coils: CH1 FT7, CH2 TP7, CH3 FT8, CH4 TP8, CH5 Fp1, CH6 AF3, CH7 Fp2, CH8 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Temporal lobes: amygdala, then hippocampus | 20 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
| 2 | Frontal lobes: amygdala, then hippocampus | 20 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
40-minute version (20 + 20 min, switching abruptly); the vendor also offers 30-min phases (murphy-shakti8-feelgood-2phase-60min) and says to begin with the one-phase frontal session (murphy-shakti8-feelgood-1phase-frontal). The vendor: 'the left stereo channel applies the signals to the temporal lobes, and the right stereo channel applies the signals to the frontal lobes'. Here CH1-4 sit over the temporal lobes (FT7, TP7, FT8, TP8: two coils per side around T7/T8) and CH5-8 over the frontal lobes (Fp1, AF3, Fp2, AF4); the exact sites are an inference from vendor photos. All coils of the active group carry the signal at once, with no rotation and no left/right alternation (the 2007 version of the page: the signals 'repeat for 30 minutes through only one channel ... After 30 minutes, when the left channel is silenced and the right begins'). Polarity: the Shakti's coils come as + and - ('You need TWO poles (positive and negative) to make ONE magnetic field'), one of each per stereo channel on each side. As in murphy-shakti8-altered-states-40min, which uses the same eight coils, Fp1 and AF4 run as is and AF3 and Fp2 reversed (weight -1), after the vendor's front-view photos, and on the temples TP7 and FT8 run as is and FT7 and TP8 reversed, after the vendor's coil chart (its side-view photos disagree: the two on the Feelgood consent page show the front coil + and the back coil -, a 2021 view on the Mood enhancement page the reverse). The vendor calls phase 1 'preparation for the second phase': if unwanted effects come in phase 1 'you can skip to the second, or skip the first part altogether', but stopping in phase 1 'may leave you further from the goal of the session than you were before'. The vendor's signals are proprietary. One pass here is: the amygdala signal, approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s; the 230-point length is from Ryczko & Persinger 2002); 4 s of silence (the vendor: 'generated one after the other ... with a four-second latency'); the hippocampal 'LTP' signal, approximated by four theta bursts of 4 pulses at 100 Hz (the Larson & Lynch timing of the project's ltp generator) at the 5.4 Hz spectral peak the vendor reports for it (0.6 s, with 1-ms points instead of the vendor's 3-ms points so the 100 Hz pulses fit); then 4 s of silence again. That gives about 8 s of field per minute (the vendor states 9.6 s). The vendor says the effect is 'like aspirin' (little change if you already feel good) and is often noticed only the next morning. The vendor warns that too many Feelgood (frontal) or Altered States (temporal) sessions 'can create a kind of malaise or even lethargy'; if unwanted effects appear after more than one series over one area, it suggests moving to the other. Intensity: the Shakti software defaults to 50% volume, which the vendor calls the 50 mG 'laboratory standard' (5 µT), while its measurement page gives 10 mG (1 µT) as the normal peak; no independent measurement of a Shakti unit was found, and this file uses 1 µT. Persinger's lab reported better mood with weekly burst-firing fields in small samples (Baker-Price & Persinger 1996, 2003, the latter with temporal or left-frontal placement; Tsang et al. 2009); none has been independently replicated. An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal over the temporal lobes found no effect on emotional responses (Gendle & McGrath 2012; Murphy argues it used the wrong session), and a double-blind God Helmet test found no field effect (Granqvist 2005). The same lab reported more aggression after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993) and more acceptance of false statements with burst-firing over the left prefrontal region (Ross, Koren & Persinger 2008). Not a treatment for depression or any illness: the vendor excludes people with psychiatric diagnoses. Not for people with epilepsy; stop if distressed. Revised after a re-check of the vendor's Feelgood pages (2026): coil polarity added (all coils had the same polarity before), and the 'not in sensory deprivation' rule, the per-length schedule and the vendor's intensity figures noted; on review, the time-of-day, interruption and snapback statements were corrected to the vendor's wording and its malaise caution added. Still approximate: the coil sites, the temporal polarity and both signal templates.
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, right-hippocampus-head, vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Murphy, Mood enhancement & the 8 Coil Shakti; Murphy, The Feelgood Session for the 8 Coil Shakti; Shakti demo: Feelgood output page; Shakti demo: Feelgood consent (schedule, coil photos, not in sensory deprivation); Shakti demo: Feelgood consent, 2007 version (30-min phases, one channel at a time); Murphy, Shakti Software Demo (video; Feelgood channels, single phase of 20 min); Murphy, Shakti demo: Overcoming dud sessions (50 mG default); Murphy, Shakti demo: Measurement (10 mG normal peak); Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Shakti demo: Formal Discussion (9.6 s of field per minute); Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Baker-Price & Persinger 1996, Percept Mot Skills 83:491; Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Ross, Koren & Persinger 2008, Electromagn Biol Med 27:365; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, A Reply to Gendle & McGrath; Granqvist et al. 2005, Neurosci Lett 379:1; Murphy, Shakti demo: Doing sessions once a week (any time of day; metabolic snapback); Murphy, Shakti demo: Doing sessions every 72 hours (missed sessions); Murphy, Shakti demo: Too many sessions over the same area; Murphy, Shakti demo: Safety - how often (no going back and forth between two designs)
8 Coil Shakti Feelgood: temporal, then frontal (60 min)Claim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti8-feelgood-2phase-60min, layout: custom, Todd Murphy (8 Coil Shakti), design based on Baker-Price & Persinger's burst-firing studies; signal templates licensed from Persinger & Koren
Murphy's two-phase Feelgood session for the 8 Coil Shakti: the amygdala and hippocampal signals one after the other with 4-s pauses, first over both temporal lobes, then over both frontal lobes. The vendor presents it for 'overcoming fear, anger and sadness' and says it suits people who are 'at their worst in the morning'.
Setting: Not in sensory deprivation: the vendor says the Feelgood session 'should not be done in sensory deprivation', since it is meant for 'outward-looking', 'this-worldly' effects. No time of day is prescribed (the vendor's page on weekly sessions says they 'can be done any time of day'); the vendor notes that the effect often shows only the morning after.
Schedule: Vendor: no more often than once a week when effects appear for the 60-min session (every three days for the 40-min one); six sessions, then a 3-week break. The vendor's 60-minute page exempts two-phase sessions such as this one from its limit of one hour-long session per three weeks. If no effects appear, alternate Feelgood and Altered States (murphy-shakti8-altered-states-60min) every three days for three sessions, then stop for a week (the vendor's general safety page, by contrast, advises against going back and forth between two session designs). If a session is interrupted before it ends, wait three days and start it again from the beginning (if you miss a session of an every-3-days series, the vendor says to stop for three weeks). The vendor's schedule pages describe a possible 'metabolic snapback' beginning about four days after the second session; the vendor says the effects of one session last 3-4 days, and claims a 6-week series lasts about 6 months.
Coils: CH1 FT7, CH2 TP7, CH3 FT8, CH4 TP8, CH5 Fp1, CH6 AF3, CH7 Fp2, CH8 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Temporal lobes: amygdala, then hippocampus | 30 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
| 2 | Frontal lobes: amygdala, then hippocampus | 30 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together, weighted |
60-minute version (30 + 30 min, switching abruptly); the vendor also offers 20-min phases (murphy-shakti8-feelgood-2phase-40min) and says to begin with the one-phase frontal session (murphy-shakti8-feelgood-1phase-frontal). The vendor: 'the left stereo channel applies the signals to the temporal lobes, and the right stereo channel applies the signals to the frontal lobes'. Here CH1-4 sit over the temporal lobes (FT7, TP7, FT8, TP8: two coils per side around T7/T8) and CH5-8 over the frontal lobes (Fp1, AF3, Fp2, AF4); the exact sites are an inference from vendor photos. All coils of the active group carry the signal at once, with no rotation and no left/right alternation (the 2007 version of the page: the signals 'repeat for 30 minutes through only one channel ... After 30 minutes, when the left channel is silenced and the right begins'). Polarity: the Shakti's coils come as + and - ('You need TWO poles (positive and negative) to make ONE magnetic field'), one of each per stereo channel on each side. As in murphy-shakti8-altered-states-40min, which uses the same eight coils, Fp1 and AF4 run as is and AF3 and Fp2 reversed (weight -1), after the vendor's front-view photos, and on the temples TP7 and FT8 run as is and FT7 and TP8 reversed, after the vendor's coil chart (its side-view photos disagree: the two on the Feelgood consent page show the front coil + and the back coil -, a 2021 view on the Mood enhancement page the reverse). The vendor calls phase 1 'preparation for the second phase': if unwanted effects come in phase 1 'you can skip to the second, or skip the first part altogether', but stopping in phase 1 'may leave you further from the goal of the session than you were before'. The vendor's signals are proprietary. One pass here is: the amygdala signal, approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s; the 230-point length is from Ryczko & Persinger 2002); 4 s of silence (the vendor: 'generated one after the other ... with a four-second latency'); the hippocampal 'LTP' signal, approximated by four theta bursts of 4 pulses at 100 Hz (the Larson & Lynch timing of the project's ltp generator) at the 5.4 Hz spectral peak the vendor reports for it (0.6 s, with 1-ms points instead of the vendor's 3-ms points so the 100 Hz pulses fit); then 4 s of silence again. That gives about 8 s of field per minute (the vendor states 9.6 s). The vendor says the effect is 'like aspirin' (little change if you already feel good) and is often noticed only the next morning. The vendor warns that too many Feelgood (frontal) or Altered States (temporal) sessions 'can create a kind of malaise or even lethargy'; if unwanted effects appear after more than one series over one area, it suggests moving to the other. Intensity: the Shakti software defaults to 50% volume, which the vendor calls the 50 mG 'laboratory standard' (5 µT), while its measurement page gives 10 mG (1 µT) as the normal peak; no independent measurement of a Shakti unit was found, and this file uses 1 µT. Persinger's lab reported better mood with weekly burst-firing fields in small samples (Baker-Price & Persinger 1996, 2003, the latter with temporal or left-frontal placement; Tsang et al. 2009); none has been independently replicated. An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal over the temporal lobes found no effect on emotional responses (Gendle & McGrath 2012; Murphy argues it used the wrong session), and a double-blind God Helmet test found no field effect (Granqvist 2005). The same lab reported more aggression after three weekly bilateral burst-firing sessions (Gillis & Persinger 1993) and more acceptance of false statements with burst-firing over the left prefrontal region (Ross, Koren & Persinger 2008). Not a treatment for depression or any illness: the vendor excludes people with psychiatric diagnoses. Not for people with epilepsy; stop if distressed. Revised after a re-check of the vendor's Feelgood pages (2026): coil polarity added (all coils had the same polarity before), and the 'not in sensory deprivation' rule, the per-length schedule and the vendor's intensity figures noted; on review, the time-of-day, interruption and snapback statements were corrected to the vendor's wording and its malaise caution added. Still approximate: the coil sites, the temporal polarity and both signal templates.
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, right-hippocampus-head, vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Murphy, Mood enhancement & the 8 Coil Shakti; Murphy, The Feelgood Session for the 8 Coil Shakti; Shakti demo: Feelgood output page; Shakti demo: Feelgood consent (schedule, coil photos, not in sensory deprivation); Shakti demo: Feelgood consent, 2007 version (30-min phases, one channel at a time); Murphy, Shakti Software Demo (video; Feelgood channels, single phase of 20 min); Murphy, Shakti demo: Overcoming dud sessions (50 mG default); Murphy, Shakti demo: Measurement (10 mG normal peak); Shakti demo: 'Rapid' and 'High-Speed' signals (3-ms points, 4-s latency); Shakti demo: Formal Discussion (9.6 s of field per minute); Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Baker-Price & Persinger 1996, Percept Mot Skills 83:491; Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Ross, Koren & Persinger 2008, Electromagn Biol Med 27:365; Gendle & McGrath 2012, Percept Mot Skills 114:217; Murphy, A Reply to Gendle & McGrath; Granqvist et al. 2005, Neurosci Lett 379:1; Murphy, Shakti demo: Doing sessions once a week (any time of day; metabolic snapback); Murphy, Shakti demo: Doing sessions every 72 hours (missed sessions); Murphy, Shakti demo: Too many sessions over the same area; Murphy, Shakti demo: Safety - how often (no going back and forth between two designs); Murphy, Shakti demo: 60 minute sessions (one per three weeks, two-phase sessions excepted); Murphy, Shakti demo: Taking breaks (one week after an ineffective hour-long session)
Frontal 'stop unwanted effects' session (hippocampus then amygdala, coils over both eyes)Claim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-frontal-reset, layout: custom, Todd Murphy (Shiva 'mono SDU' and God Helmet software)
Murphy's 20-minute frontal session, which the vendor offers against 'lethargy, listlessness or mental fogginess' after too much temporal-lobe or one-sided stimulation. Hippocampal and amygdala signals run one after the other from static coils over both eyes with opposite polarity; the vendor states it 'treats both sides of the brain the same'.
Setting: Only as needed after over-stimulation; the vendor asks users to contact tech support first. Four coils on the forehead: Fp1 and AF3 above the left eye, Fp2 and AF4 above the right eye; the other four coils stay unused.
Schedule: One 20-minute run; the vendor says it 'can be run twice, if necessary', and not three times.
Coils: CH1 Fp1, CH2 AF3, CH5 Fp2, CH6 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampus then amygdala (static, opposite polarity) | 20 | Point table of 1842, 3 ms per point, 4000 ms pause | All coils together, weighted |
The vendor says to use 'only two or four coils', with opposite polarities, 'one or two coils over each eye'. Here the left pair (Fp1, AF3) gets the signal and the right pair (Fp2, AF4) the same signal reversed (weight -1); splitting the polarity by side is a project reading. For the two-coil form, unplug AF3 and AF4. The coils stay still, with no rotation. Approximations: the hippocampal 'LTP' and amygdala 'burstx' templates are proprietary. Each 9.5-s cycle follows the vendor's 'one after the other ... with a four-second latency' and its standard 3-ms points: five hippocampal theta bursts at 5 Hz (about 0.84 s; each 4 biphasic pulses at about 110 Hz, the nearest the 3-ms grid allows to the 100 Hz of the project's ltp generator; the number of bursts is a project choice), 4 s of silence, the built-in accelerating burst (6 to 30 Hz) for 230 points of 3 ms (0.69 s, the published burst-firing length), then 4 s of silence. That gives about 9.6 s of field per minute, the vendor's figure for its standard signals; the same stand-in is used in murphy-paranormal-shakti-frontal. Do not exceed two runs; stop on distress. Not for people with epilepsy or a psychiatric condition. This session rests on vendor statements only and is not a treatment for anything. Independent double-blind tests of the related temporal-lobe sessions found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Aims at: vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Shiva demo: A Frontal Lobe session (session to stop unwanted effects); God Helmet session using amygdala and hippocampus signals (stopping unwanted effects); Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Mood enhancement / feelgood, 8 Coil Shakti (signals one after the other with a 4-s latency); Shakti demo: Formal Discussion (about 9.6 s of field per minute); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Love / agape (left temporal)Anecdote: Personal reports only30 min, 1.0 µT
love-agape, layout: custom, Todd Murphy (left-amygdala rule; the left-sided amygdala phase of his Shiva God Helmet sessions)
The amygdala burst-firing signal cycling around four coils on the LEFT temporal lobe only, as in the left-sided second phase of Murphy's God Helmet sessions. Murphy links the left amygdala with positive feelings (elation, joy, love) and reports bliss when he moved the amygdala signal to the left side; this is his anecdote, not a tested result.
Setting: Quiet, dim room, seated or reclined; darkness and silence only if you want effects during the session.
Schedule: At most weekly (or every 72 h), never on consecutive days; a series of six, then a 21-day break. At most one 10-min side test every 72 h.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Left amygdala burst-firing, clockwise | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 125 ms per coil |
Murphy's God Helmet sessions that end on the left (for example chirp on both sides, then amygdala on the left; 30 + 30 or 20 + 20 min) cycle the amygdala signal clockwise around a 4-coil cross on the left temporal lobe (about FT7, C5, TP7, T9; the site names are an inference). This preset runs that 30-min left phase on its own, so it is a project construct, not one of his sessions. The step time is not published; 125 ms per coil is an inference (as in god-helmet-classic). The amygdala 'burstx' template is proprietary and is approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s) with the vendor's standard 4 s of silence. Murphy's "left positive, right negative" rule grew out of two small Persinger-lab studies (right-temporal burst-firing raised apprehension in women, Richards 1992; right-hemisphere LTP-pattern fields felt more pleasant than left, Persinger, Richards & Koren 1994) and from user reports; mainstream studies find that both amygdalae respond to pleasant and unpleasant stimuli. Murphy suggests a 10-min test of a signal on each side first, starting on the side usually unpleasant for it (the right for the amygdala signal), because some people have 'reversed' structures. If anger appears during or after a session, don't use it again; for lethargy or fogginess after one-sided sessions Murphy offers a frontal 'stopping unwanted effects' session (murphy-frontal-reset). Not for people prone to anger, or with epilepsy, a psychiatric diagnosis or medication. Independent double-blind tests found no effect of the field (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-amygdala, left-temporal-pole (field on the brain)
Sources:Murphy, God Helmet: chirp first and amygdala (left) second; Murphy, God Helmet session list; Murphy, Shakti test sessions; Murphy, 'Reversed' or 'left-handed' brain structures; Murphy, Enlightenment lecture; Murphy, Sacred Body lecture; McTaggart interview with Murphy (2006); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Richards, Koren & Persinger 1992, Percept Mot Skills 75:667; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
LTP primed burst, right temporal lobe, 20 min (Persinger 1994)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-ltp-pleasantness-right, layout: custom, Persinger, Richards & Koren (Laurentian University), 1994 double-blind pleasantness study, right-hemisphere arm
The right-hemisphere arm of Persinger, Richards & Koren (1994): 20 min of a 1 uT 'LTP' pattern (modelled on the current trains that induce long-term potentiation in hippocampal slices) over the right temporal lobe. In their double-blind study of 40 people, this arm's experiences were rated more pleasant than the left arm's.
Setting: Seated or reclined in a quiet, dark room with the eyes covered (the lab's standard: blindfold or opaque goggles in an acoustic chamber). Rate how pleasant the session was before unblinding.
Schedule: One 20-min session per person in the original (between-subjects). For a self-test, compare the four arms (right, left, both, sham) in blinded, counterbalanced order on separate days.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LTP primed burst, right temporal lobe | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Right side only |
Persinger, Richards & Koren (1994) gave 40 people 20 min of 1 uT (10 mG) fields 'known to produce long-term potentiation within hippocampal slices', primarily over the right temporal lobe, the left, or both homogeneously, or a sham, under double-blind conditions. The lab reported that right-hemisphere recipients rated their experiences more pleasant than left-hemisphere recipients (eta = 0.51), and that ambient geomagnetic activity correlated negatively with pleasantness. The 1994 abstract gives no pattern timing. The lab later described its LTP pattern as 'a single pulse followed about 170 msec later by 4 pulses in rapid succession with a functional frequency of between 100 and 200 Hz' (Persinger 2010), and the Shiva software's version is a primed burst (Rose et al. 1988): positive-only 1-ms pulses, a primer, then 4 pulses 150 ms later (Corradini 2014, MA thesis). This file uses the project's primed-burst table with Corradini's 150 ms; the 10-ms spacing of the 4 pulses (100 Hz, the low end of Persinger's range) is an assumption. Delparte & Persinger (2007) describe the lab's fields as a '1 s pulse of 5 trains' and also call them theta-burst. Here the primed-burst table plays one 1-s pulse of 5 trains, then 4 s of silence, the interstimulus interval McKay & Persinger (2005) reported as optimal in rats (Delparte & Persinger used continuous, 5 s or 10 s). Timing and point values are reconstructions from these descriptions, not the lab file. Two coils per side, T8/TP8 and T7/TP7, approximate 'over the temporal lobe'; only the right pair plays. Calling a 1 uT field an 'LTP' stimulus is the lab's extrapolation from electrical current trains applied to brain slices, not a measurement. The pleasantness difference has not been independently replicated, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Use the app's Blind option for the sham arm. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on headache or distress.
Aims at: right-hippocampus-head, right-hippocampus-body, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger, Richards & Koren 1994, Differential ratings of pleasantness following right and left hemispheric application of low energy magnetic fields that stimulate long-term potentiation, Int J Neurosci 79:191-197; Corradini 2014, MA thesis, Laurentian University (LTP file: primer, then 4 pulses 150 ms later, 1-ms points, positive values); Persinger 2010, The Harribance effect as pervasive out-of-body experiences, NeuroQuantology 8(4):444-465 (LTP: a single pulse, then about 170 ms later 4 pulses at 100-200 Hz); Rose, Diamond, Pang & Dunwiddie 1988, Primed burst potentiation (as cited by Corradini 2014); Delparte & Persinger 2007, Int J Neurosci 117:295 (1 s pulse of 5 trains, continuous or with 5 s or 10 s ISI); McKay & Persinger 2005 (theta-burst, 200-500 nT, 4000 ms ISI); Richards, Persinger & Koren 1996, Electro- and Magnetobiology 15:141 (a 1 uT field structure that promotes long-term potentiation in hippocampal slices); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Paranormal Shakti frontal session (to lower 'sensitivity')Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-paranormal-shakti-frontal, layout: custom, Todd Murphy (Paranormal Shakti software, retired)
The frontal-lobe session of Murphy's retired Paranormal Shakti, which the vendor offered to adults troubled by reported paranormal experiences ('victims of paranormal pollution') to lower their 'sensitivity': 30 min of the hippocampal and amygdala signals one after the other, the same signal on four coils over the forehead.
Setting: Adults (over 18) only (vendor). Investigators: not in the 3 days before an investigation, since the vendor says it lowers sensitivity.
Schedule: Vendor: after 6 temporal sessions, 3 frontal sessions; 30 min each ('10 minutes will not be effective, and 40 minutes will be more than needed'). The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days.
Coils: CH1 Fp1, CH2 AF3, CH5 Fp2, CH6 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampus, then amygdala (frontal, same signal on all coils) | 30 | Point table of 1842, 3 ms per point, 4000 ms pause | All coils together |
Coils: Fp1 and AF3 over the left frontal lobe, Fp2 and AF4 over the right; the exact sites are an inference from 'coils over the frontal lobes'. The other four channels stay unused. All four coils carry the same signal ('the same signal in both channels'), with no rotation. One 9.5-s pass: the hippocampal stand-in (five theta bursts at 5 Hz, each of 4 biphasic pulses at about 110 Hz, 0.84 s), 4 s of silence, the amygdala stand-in (the built-in accelerating burst, 6 to 30 Hz, 230 points of 3 ms = 0.69 s), then 4 s of silence; that gives about 9.6 s of field per minute, the vendor's figure for its standard signals. Both originals are proprietary; the hippocampal stand-in is the one used in the project's frontal reset session. The vendor reports headache or pressure in about 2% of users of an earlier version of its signals, mostly with hippocampal signals; if that happens, lower the intensity by one-third. The vendor excluded cases described as 'possession' (or took them only with caveats), and its wording came close to medical claims. This file makes none: it is not a treatment for anything, and anyone distressed by unusual experiences should talk to a doctor. Persinger's lab reported more acceptance of false statements after burst-firing over the left prefrontal region (Ross, Koren & Persinger 2008, single lab). Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). The product is retired; this file is of historical interest. Not for people with epilepsy; stop on distress.
Aims at: vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Murphy, Paranormal Shakti: frontal lobe session (Wayback, 2013); Murphy, Paranormal Shakti: the procedure (Wayback, 2013); Murphy, Paranormal Shakti: on-site sessions (Wayback, 2013); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Ross, Koren & Persinger 2008, Electromagn Biol Med 27:365; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety - how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Rotating burst-firing, temporoparietal ring, 20 min (Tsang 2009 mood study)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-mood-rotated-burst-2009, layout: custom, Tsang, Koren & Persinger, Laurentian University
The burst-firing arm of Tsang, Koren & Persinger 2009: a 1 uT burst-firing field rotated around the head at the level of the temporoparietal lobes, 20 min once a week for 3 weeks. Persinger's lab reported better mood and vigour than with sham or the six other field configurations.
Setting: Seated, eyes closed, in a quiet, dim room. Fill in the same mood questionnaire (the study used the Profile of Mood States) before and after each session.
Schedule: 20 min once a week for 3 weeks. To separate the pattern from expectation, compare blinded against the sham program and the random-field arm.
Coils: CH1 Fp1, CH2 FFT7, CH3 TP7, CH4 POO7, CH5 POO8, CH6 TP8, CH7 FFT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing, CCW ring, 20+2 (20 -> 6 ms) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
Tsang, Koren & Persinger 2009 exposed normal volunteers for 20 min once a week, 3 sessions in all, to 1 of 7 configurations of weak (1 microTesla) fields or to a sham field; "the fields were spatially rotated and applied through the brain at the level of the temporoparietal lobes". Mood (Profile of Mood States) was rated before and after each session, and heart rate, plethysmography and skin conductance were measured before, during and after; the abstract states no autonomic effect. Persinger's lab reported that the burst-firing pattern "previously demonstrated to be effective for clinical depression" improved mood and vigour compared with sham and the other configurations, and that burst-firing, a complex-sequenced pattern and an LTP pattern reduced fatigue compared with sham and random-sequenced fields. The arms rebuilt here are persinger-mood-rotated-burst-2009, persinger-mood-rotated-ltp-2009 and persinger-mood-rotated-random-2009 (run sham, or the app's Blind option, for the sham arm); the complex-sequenced arm and the other three configurations are not described well enough to rebuild. Approximations: the abstract gives no rotation schedule, so one of the lab's documented schedules, '20+2' (20, 18 ... 6 ms per solenoid, one turn 104 ms; Persinger & Lavallee 2010), turning counter-clockwise (the lab standard; Lehman 2016), stands in; the ring of 8 coils about 45 degrees apart on the 10% line, coil 1 over the left frontal region and coil 8 over the right prefrontal region (Fp1, FFT7, TP7, POO7, POO8, TP8, FFT8, Fp2), is an inference from the lab's circumcerebral device. The paper puts the rotation "through the brain at the level of the temporoparietal lobes", that is around T7, TP7, P7 and T8, TP8, P8, while this ring follows the lab's own solenoid order, whose first and last coils sit over the left frontal and right prefrontal regions: the side and back coils are near the paper's plane and the two forehead coils sit above and in front of it. The burst-firing point values were never published, so the built-in accelerating burst (6 to 30 Hz) stands in: 230 points of 3 ms (0.69 s, the best-supported of the lab's 230, 248 and 289-point lengths) once every 4 s; with the 104-ms rotation each burst sweeps the ring about six and a half times. Source cautions: one lab, mood questionnaires, a modest sample spread over 8 groups, never independently replicated. A randomized, sham-controlled test of the 8 Coil Shakti amygdala signal found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Not a treatment for low mood or depression. Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-tpj, right-tpj, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785 (ring order and the '20+2' notation); Lehman 2016, PhD thesis, Laurentian University, pp. 56-57 (CCW standard, 1-5 uT inside each solenoid); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Rotating LTP (primed burst), temporoparietal ring, 20 min (Tsang 2009 mood study)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-mood-rotated-ltp-2009, layout: custom, Tsang, Koren & Persinger, Laurentian University
The LTP arm of Tsang, Koren & Persinger 2009: a 1 uT 'LTP' (hippocampal primed-burst) field rotated around the head at the level of the temporoparietal lobes, 20 min once a week for 3 weeks. Persinger's lab reported less fatigue than with sham or random-sequenced fields.
Setting: Seated, eyes closed, in a quiet, dim room. Fill in the same mood questionnaire (the study used the Profile of Mood States) before and after each session.
Schedule: 20 min once a week for 3 weeks. To separate the pattern from expectation, compare blinded against the sham program and the random-field arm.
Coils: CH1 Fp1, CH2 FFT7, CH3 TP7, CH4 POO7, CH5 POO8, CH6 TP8, CH7 FFT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LTP primed burst, CCW ring, 20+2 (20 -> 6 ms) | 20 | Point table of 1000, 1 ms per point | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
Tsang, Koren & Persinger 2009 exposed normal volunteers for 20 min once a week, 3 sessions in all, to 1 of 7 configurations of weak (1 microTesla) fields or to a sham field; "the fields were spatially rotated and applied through the brain at the level of the temporoparietal lobes". Mood (Profile of Mood States) was rated before and after each session, and heart rate, plethysmography and skin conductance were measured before, during and after; the abstract states no autonomic effect. Persinger's lab reported that the burst-firing pattern "previously demonstrated to be effective for clinical depression" improved mood and vigour compared with sham and the other configurations, and that burst-firing, a complex-sequenced pattern and an LTP pattern reduced fatigue compared with sham and random-sequenced fields. The arms rebuilt here are persinger-mood-rotated-burst-2009, persinger-mood-rotated-ltp-2009 and persinger-mood-rotated-random-2009 (run sham, or the app's Blind option, for the sham arm); the complex-sequenced arm and the other three configurations are not described well enough to rebuild. Approximations: the abstract gives no rotation schedule, so one of the lab's documented schedules, '20+2' (20, 18 ... 6 ms per solenoid, one turn 104 ms; Persinger & Lavallee 2010), turning counter-clockwise (the lab standard; Lehman 2016), stands in; the ring of 8 coils about 45 degrees apart on the 10% line, coil 1 over the left frontal region and coil 8 over the right prefrontal region (Fp1, FFT7, TP7, POO7, POO8, TP8, FFT8, Fp2), is an inference from the lab's circumcerebral device. The paper puts the rotation "through the brain at the level of the temporoparietal lobes", that is around T7, TP7, P7 and T8, TP8, P8, while this ring follows the lab's own solenoid order, whose first and last coils sit over the left frontal and right prefrontal regions: the side and back coils are near the paper's plane and the two forehead coils sit above and in front of it. The lab's LTP file is unpublished. It is rebuilt as the primed burst described for the LTP file that Corradini 2014 applied in Persinger's lab (Shiva software): positive-only 1-ms pulses, a primer, then 4 pulses at 100 Hz from 150 ms later (Rose et al. 1988 primed-burst potentiation). The 10-ms spacing is the 100 Hz end of the lab's own wording, "a single pulse followed about 170 msec later by 4 pulses in rapid succession with a functional frequency of between 100 and 200 Hz" (Persinger 2010), which also puts the primer gap near 170 ms rather than Corradini's 150 ms. Five such trains make the lab's "1 s pulse of 5 trains of an LTP-evoking pattern" (Delparte & Persinger 2007), played here without pauses; Delparte also used 5- or 10-s gaps, and the 2009 abstract gives neither. The lab also called these fields 'theta-burst', and the primed-burst structure is documented only for the Shiva file. The pulses fall on whichever coil the rotation has reached. Calling a 1 uT field an LTP stimulus is the lab's extrapolation from current trains in brain slices. Source cautions: one lab, mood questionnaires, a modest sample spread over 8 groups, never independently replicated. A randomized, sham-controlled test of the 8 Coil Shakti amygdala signal found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Not a treatment for low mood or depression. Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-tpj, right-tpj, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-hippocampus-body, right-hippocampus-body (field on the brain)
Sources:Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Corradini 2014, MA thesis, Laurentian University (primed-burst LTP file); Delparte & Persinger 2007, Int J Neurosci 117:295 ('1 s pulse of 5 trains'); Persinger 2010, NeuroQuantology 8(4):444 (the LTP pattern: a primer then 4 pulses about 170 ms later at 100-200 Hz); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785 (ring order and the '20+2' notation); Lehman 2016, PhD thesis, Laurentian University, pp. 56-57 (CCW standard, 1-5 uT inside each solenoid); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti back-and-forth: amygdala signal right, then leftClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-back-and-forth-amygdala, layout: custom, Todd Murphy (Shakti software), after Persinger's vectorial hemisphericity theory
Murphy's 'interhemispheric intrusion' (back-and-forth) session: 30 min of the amygdala burst-firing signal over the right temporal lobe, its 'usually wrong' side, then 30 min over the left. Murphy says the first phase is expected to be unpleasant and that the switch can bring bliss or elation.
Setting: Advanced users only, after a side test has shown the usual pattern for the signal (this file assumes the usual sides). The vendor says darkness and silence (sensory deprivation) help; eyes closed, relaxed. Run murphy-shakti-test-session-amygdala first.
Schedule: Vendor rules: never on consecutive days, at most every 72 hours or weekly; 60-minute sessions at most once in 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Phase 1: amygdala signal, RIGHT side ('usually wrong') | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Right side only |
| 2 | Phase 2: amygdala signal, LEFT side ('usually correct') | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Left side only |
Murphy bases the design on Persinger's vectorial hemisphericity idea: stimulating a structure's negative counterpart first mutes the positive one, and stimulating the positive one next gives what he calls a 'sudden burst'. For the amygdala he links this to the anterior commissure and to bliss and elation. That the right amygdala is the unpleasant side rests on user reports and a small Persinger-lab study (Richards, Koren & Persinger 1992: burst-firing over the right temporal lobe raised apprehension in women). Murphy links the right amygdala with fear and sadness and the left with bliss, mostly from user reports, so phase 1 can bring fear. Phase 1 is meant to be unpleasant (the vendor: 'EXPECTED to be unpleasant') and phase 2 pleasant; if phase 1 feels good instead, the vendor reads that as a possible 'reversed' or 'left-handed' structure. The vendor 'strongly' suggests running this procedure with each signal separately (murphy-shakti-back-and-forth-amygdala and -hippocampus) before trying the two-signal option (murphy-shakti-back-and-forth-both). If phase 1 becomes too uncomfortable, press Skip at once to start phase 2, but never stop after phase 1 without phase 2 (the vendor: 'Do NOT apply the signal over the wrong side without following it with the same signal over the correct side'). For unwanted effects that linger, the vendor's undo procedures are the hippocampal signal over both frontal lobes or the ERP signal over the cerebellum (in this project: murphy-shakti-cerebellum-erp). Coils: a cross of four over each temporal lobe (FT7, C5, TP7, T9 and FT8, C6, TP8, T10); each phase drives the four coils of one side together, without movement or channel alternation (none is described for this procedure). The vendor's Alternative procedures page says to apply the signal 'over the (usually) WRONG side of your head for 30 minutes, and then immediately apply the same wave form to the (usually) CORRECT side', without a length for the second phase; its 30 min here is an inference (it matches the first phase and the 30 + 30 min the page gives for the two-signal option; the Bliss page gives 20-30 min per phase). The amygdala ('burstx') file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points at the vendor's standard 3-ms points (0.69 s), followed by the vendor's standard latency of about 4 s. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition. If phase 1 is distressing, skip to phase 2 as the vendor advises; stop the session if distress continues in phase 2. Revised after a re-check of the procedures page (2026): the length of phase 2 is now marked as an inference, and the page's advice on order and on 'reversed' structures is added; sites, signals and timing are unchanged and remain approximations as described.
Aims at: right-amygdala, left-amygdala (field on the brain)
Sources:Murphy, Shakti demo: Alternative procedures; Murphy, Shakti demo: Bliss; Murphy, Shakti demo: Test sessions; Murphy, Shakti demo: 'Reversed' or 'left-handed' brain structures; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Richards, Koren & Persinger 1992, Percept Mot Skills 75:667; Murphy, Shakti demo: Safety – how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti back-and-forth: both signals reversed, then correctedClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-back-and-forth-both, layout: custom, Todd Murphy (Shakti software), after Persinger's vectorial hemisphericity theory
Option 2 of Murphy's back-and-forth session: 30 min with the amygdala signal on the right and the hippocampal signal on the left (both on their 'usually wrong' sides), then 30 min with both on their usual sides (amygdala left, hippocampus right). Murphy says the first phase is expected to be unpleasant.
Setting: Advanced users only, after a side test has shown the usual pattern for the signal (this file assumes the usual sides). The vendor says darkness and silence (sensory deprivation) help; eyes closed, relaxed. Test both signals first (murphy-shakti-test-session-amygdala and -hippocampus, at least 72 hours apart).
Schedule: Vendor rules: never on consecutive days, at most every 72 hours or weekly; 60-minute sessions at most once in 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Phase 1: amygdala RIGHT + hippocampus LEFT (both reversed) | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 4000 ms pause | Right side only + Left side only |
| 2 | Phase 2: amygdala LEFT + hippocampus RIGHT (both corrected) | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 4000 ms pause | Left side only + Right side only |
The vendor's option 2 'reverses both signals, then corrects both'; running the two signals at the same time, one on each side, is this project's reading (an inference). Murphy bases the design on Persinger's vectorial hemisphericity idea: stimulating a structure's negative counterpart first mutes the positive one, and stimulating the positive one next gives what he calls a 'sudden burst'. The left/right rules rest on user reports and small Persinger-lab studies (Richards, Koren & Persinger 1992; Persinger, Richards & Koren 1994). Murphy links the right amygdala with fear and sadness and the left hippocampus with irritability, mostly from user reports, so phase 1 can bring fear or irritability. Phase 1 is meant to be unpleasant (the vendor: 'EXPECTED to be unpleasant') and phase 2 pleasant; if phase 1 feels good instead, the vendor reads that as a possible 'reversed' or 'left-handed' structure. The vendor offers this option only after the single-signal procedure, which it 'strongly' suggests running with each signal separately first (murphy-shakti-back-and-forth-amygdala and -hippocampus). If phase 1 becomes too uncomfortable, press Skip at once to start phase 2, but never stop after phase 1 without phase 2 (the vendor: 'Do NOT apply the signal over the wrong side without following it with the same signal over the correct side'). For unwanted effects that linger, the vendor's undo procedures are the hippocampal signal over both frontal lobes or the ERP signal over the cerebellum (in this project: murphy-shakti-cerebellum-erp). Coils: a cross of four over each temporal lobe (FT7, C5, TP7, T9 and FT8, C6, TP8, T10); in each phase one track drives the four coils of one side with one signal, without movement or channel alternation (none is described for this procedure). The burst repeats every 4.69 s and the LTP train every 4.74 s, so the two drift against each other. The Alternative procedures page gives this option as 'Reversing both signals for 30 minutes, followed by applying both signals to the 'correct' sides for 30 minutes' (the Bliss page gives 20-30 min per phase). The amygdala ('burstx') file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points at the vendor's standard 3-ms points (0.69 s), followed by the vendor's standard latency of about 4 s. The hippocampal 'LTP' file is proprietary; it is approximated by a point table in the vendor's standard scheme (3-ms points, about 4 s of latency): four theta bursts, each of four biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal). The vendor reports headache or pressure in about 2% with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition. If phase 1 is distressing, skip to phase 2 as the vendor advises; stop the session if distress continues in phase 2. Revised after a re-check of the procedures page (2026): the page's advice on order and on 'reversed' structures is added; sites, signals and timing are unchanged and remain approximations as described.
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Alternative procedures; Murphy, Shakti demo: Bliss; Murphy, Shakti demo: Test sessions; Murphy, Shakti demo: 'Reversed' or 'left-handed' brain structures; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Larson & Lynch 1986, Science (theta-burst timing); Richards, Koren & Persinger 1992, Percept Mot Skills 75:667; Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety – how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti back-and-forth: hippocampal signal left, then rightClaim: Claimed by the author, lab or vendor; no controlled independent test60 min, 1.0 µT
murphy-shakti-back-and-forth-hippocampus, layout: custom, Todd Murphy (Shakti software), after Persinger's vectorial hemisphericity theory
Murphy's 'interhemispheric intrusion' (back-and-forth) session: 30 min of the hippocampal 'LTP' signal over the left temporal lobe, its 'usually wrong' side, then 30 min over the right. Murphy says the first phase is expected to be unpleasant and the second pleasant.
Setting: Advanced users only, after a side test has shown the usual pattern for the signal (this file assumes the usual sides). The vendor says darkness and silence (sensory deprivation) help; eyes closed, relaxed. Run murphy-shakti-test-session-hippocampus first.
Schedule: Vendor rules: never on consecutive days, at most every 72 hours or weekly; 60-minute sessions at most once in 3 weeks.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Phase 1: hippocampal signal, LEFT side ('usually wrong') | 30 | Point table of 248, 3 ms per point, 4000 ms pause | Left side only |
| 2 | Phase 2: hippocampal signal, RIGHT side ('usually correct') | 30 | Point table of 248, 3 ms per point, 4000 ms pause | Right side only |
Murphy bases the design on Persinger's vectorial hemisphericity idea: stimulating a structure's negative counterpart first mutes the positive one, and stimulating the positive one next gives what he calls a 'sudden burst'. Murphy links the left hippocampus with irritability and verbal thought and the right with calm and imagery, mostly from user reports; the left/right rule rests on a small Persinger-lab study (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). Phase 1 is meant to be unpleasant (the vendor: 'EXPECTED to be unpleasant') and phase 2 pleasant; if phase 1 feels good instead, the vendor reads that as a possible 'reversed' or 'left-handed' structure. The vendor 'strongly' suggests running this procedure with each signal separately (murphy-shakti-back-and-forth-amygdala and -hippocampus) before trying the two-signal option (murphy-shakti-back-and-forth-both). If phase 1 becomes too uncomfortable, press Skip at once to start phase 2, but never stop after phase 1 without phase 2 (the vendor: 'Do NOT apply the signal over the wrong side without following it with the same signal over the correct side'). For unwanted effects that linger, the vendor's undo procedures are the hippocampal signal over both frontal lobes or the ERP signal over the cerebellum (in this project: murphy-shakti-cerebellum-erp). Coils: a cross of four over each temporal lobe (FT7, C5, TP7, T9 and FT8, C6, TP8, T10); each phase drives the four coils of one side together, without movement or channel alternation (none is described for this procedure). The vendor's Alternative procedures page says to apply the signal 'over the (usually) WRONG side of your head for 30 minutes, and then immediately apply the same wave form to the (usually) CORRECT side', without a length for the second phase; its 30 min here is an inference (it matches the first phase and the 30 + 30 min the page gives for the two-signal option; the Bliss page gives 20-30 min per phase). The hippocampal 'LTP' file is proprietary; it is approximated by a point table in the vendor's standard scheme (3-ms points, about 4 s of latency): four theta bursts, each of four biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal). The vendor reports headache or pressure in about 2% with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition. If phase 1 is distressing, skip to phase 2 as the vendor advises; stop the session if distress continues in phase 2. Revised after a re-check of the procedures page (2026): the length of phase 2 is now marked as an inference, and the page's advice on order and on 'reversed' structures is added; sites, signals and timing are unchanged and remain approximations as described.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Alternative procedures; Murphy, Shakti demo: Bliss; Murphy, Shakti demo: Test sessions; Murphy, Shakti demo: 'Reversed' or 'left-handed' brain structures; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety – how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti cerebellum: ERP signal below the inion ('undo' session)Claim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shakti-cerebellum-erp, layout: custom, Todd Murphy (Shakti software)
Murphy's one-coil Shakti session over the cerebellum, just below the bony ridge at the back of the head: 20 min of an event-related-potential (ERP) signal. The vendor calls the cerebellum a 'pleasure/orgasm center' and suggests cerebellar ERP to 'un-do unwanted effects' after sessions that used both the amygdala and the hippocampal signals.
Setting: As an 'undo' session after sessions that used both the amygdala and hippocampal signals, or in series that alternate with series over other areas (vendor). Sit, or lie on your side, so the coil at the back of the head is not pressed.
Schedule: Vendor: alternate cerebellar series with series over other areas. The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 Iz
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Cerebellar ERP (project construct), one coil at Iz | 20 | Point table of 600, 1 ms per point, 900 ms pause | All coils together |
One coil at Iz, the 10-5 site on the inion: the vendor says to 'use the bony ridge at the back of your head', with the occipital lobes above the ridge and the cerebellum below it, and uses a one-coil headset, so seat the coil on or just below the ridge. Iz is an inference; I1 or I2 (a little to either side) and O9 or O10 (further out) are alternative sites. The other seven channels stay unused. A coil below the inion is hard to hold on a Velcro band, so check that it sits firmly and comfortably. The vendor's ERP file is proprietary and undescribed; this file uses the project's ERP construct (textbook P50, N100, P200, N200 and P300 components after Luck 2014: a 0.6-s pulse every 1.5 s, 1-ms points), not the Shakti file. The vendor's volume table (desktop sound card 90% for men and 58% for women; laptop or onboard sound 100% for both) sets sound-card levels, not a calibrated field. The default here is 1 µT; the table's lower desktop setting for women would mean about two-thirds of that. The vendor also allows the modulated 40 Hz signal here (murphy-shakti-cerebellum-erp-mod40). Its statement that 'cerebellar activation can attenuate limbic, particularly amygdaloid, activation' is a vendor claim, and the vendor calls the ERP signal untested. The vendor warns that 'excess cerebellar activation may lead to emotional flattening', so do not overuse it. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if distressed.
Sources:Murphy, Shakti demo: Cerebellum; Murphy, Shakti demo: ERP signal; Murphy, Shakti demo: Bliss (undo procedures); Murphy, Shakti demo: Measurement; Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Dreams & sleep 3
Shakti dream session: chirp both sides, then hippocampus rightAnecdote: Personal reports only60 min, 1.0 µT
murphy-shakti-lucid-dream-series-chirp-hipp, layout: custom, Todd Murphy, 8 Coil Shakti (dream recipe; two-phase session design)
The alternative dream session on Murphy's Shakti pages: the chirp over both temporal lobes, then the hippocampal signal over the right temporal lobe, finished 1 to 1.5 h before bed. Murphy presents it for dream recall and vivid dreams.
Setting: Dark, quiet room, at night, eyes closed; finish 1 to 1.5 h before going to bed.
Schedule: Vendor rules: 60-min sessions at most once every 3 weeks; never on consecutive days.
Coils: CH1 FT7, CH2 TP7, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Chirp, both temporal lobes | 30 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | All coils together |
| 2 | Hippocampal LTP, right temporal lobe | 30 | Point table of 248, 3 ms per point, 4000 ms pause | Right side only |
The dream page names the signals and sides but gives no durations, so the phase lengths (30 + 30 min, abrupt switch) and coil groups follow the vendor's 8 Coil Shakti two-phase session 'chirp both sides, then hippocampus right': phase 1 drives two coils per side (FT7/TP7 and FT8/TP8), phase 2 the four-coil cross on the right (FT8, C6, TP8, T10; the vendor names no 10-10 sites, so these are an inference). On the Shakti the phase-1 coils on the right are separate coils of the other stereo channel; here FT8 and TP8 serve both phases, and channels 3-4 stay silent. The Shakti 'modulated 40 Hz chirp' file is proprietary. Murphy relates it to a frequency-modulated pulse 'named for its designer' (taken here to be the Thomas pattern), so it is approximated by a sweep falling from 40 to 6 Hz on 3-ms points, 2.5 s on and 1.5 s off (837 points of 3 ms once every 4 s, after the published FM pattern); neither the 40 Hz modulation nor the build the vendor describes (frequency-modulated gaps, with amplitudes and gap lengths varied in Fibonacci steps) is reproduced. The hippocampal 'LTP' file is proprietary. It is approximated on the vendor's standard 3-ms points: 4 bursts of 4 biphasic pulses 9 ms apart, one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), then the standard 4 s of silence (about 9.4 s of field per minute; the vendor gives 9.6 s). The vendor warns that the chirp can be 'very unpleasant over the right side'; if fear comes, press Skip to go to phase 2. Hippocampus on the right follows a small Persinger-lab study (Persinger, Richards & Koren 1994: right-sided LTP-pattern fields were rated more pleasant). Murphy notes that 'There have not been many reports' of lucid dreams from his dream sessions, so do not expect this one to produce them. The same coil design without the dream timing is murphy-shakti8-twophase-family-chirpbi-hippr. The vendor reports headache or pressure in about 2% of users with hippocampal signals; if so, lower the intensity by one third. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Dreaming; Murphy, Lucid dreaming and the 8 Coil Shakti; Murphy, Shakti demo: Two-phase sessions; Murphy, Shakti demo: Modulated 40 Hz chirp signal; Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern, once every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3-ms points); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: How long should sessions be; Murphy, Shakti demo: Overcoming dud sessions (60-min sessions every 21 days); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti lucid-dream series: session 6, frontalAnecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-lucid-dream-series-frontal, layout: custom, Todd Murphy, 8 Coil Shakti (pattern drawn from user reports)
Session 6 of Murphy's lucid-dreaming series: after five weekly temporal sessions, the same amygdala and hippocampal signals in sequence over the frontal lobes. Murphy reports cases of lucid dreaming 'that very night'.
Setting: Run it on the night you want to dream; end it 1 to 1.5 h before going to bed. Dark, quiet room, eyes closed.
Schedule: Once, a week after session 5 of murphy-shakti-lucid-dream-series-temporal; then the vendor's 21-day break. Murphy says effective temporal sessions are 'probably ... a prerequisite', so do not start the series with this file.
Coils: CH1 Fp1, CH2 AF3, CH5 Fp2, CH6 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala then hippocampus, frontal lobes | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.74 s off, 3 ms points + Point table of 1811, 3 ms per point, 4000 ms pause | All coils together + All coils together |
30 min on four frontal coils, Fp1 and AF3 on the left, Fp2 and AF4 on the right (the vendor shows the frontal placement only in photos, so these sites are an inference); the other four channels stay silent. All four play the same signal together. Both signals are proprietary. The amygdala 'burstx' template is approximated by the built-in accelerating burst (6 to 30 Hz over 230 points, the point count of the published burst-firing pattern, drawn on the Shakti's 3-ms points = 0.69 s), the hippocampal 'LTP' template by 4 bursts of 4 biphasic pulses 9 ms apart repeated at 5.4 Hz (the vendor's reported LTP spectral peak), also on 3-ms points. As the vendor describes, the two follow each other with a 4-s silence after each: amygdala 0.69 s, silence 4 s, hippocampus 0.74 s, silence 4 s (a 9.4-s cycle). Murphy notes that 'There have not been many reports' of lucid dreams after the series, so do not expect it to produce them. The vendor reports headache or pressure in about 2% of users with hippocampal signals; if so, lower the intensity by one third. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-dlpfc, right-dlpfc, vmpfc (field on the brain)
Sources:Murphy, Lucid dreaming and the 8 Coil Shakti; Murphy, Shakti demo: Dreaming; Murphy, Deja vu and other ways to use neuroscience for prayer and meditation (lecture); Murphy, Mood enhancement and the 8 Coil Shakti (signals in sequence with a 4-s latency); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti lucid-dream series: sessions 1-5, temporalAnecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-lucid-dream-series-temporal, layout: custom, Todd Murphy, 8 Coil Shakti (pattern drawn from user reports)
Sessions 1 to 5 of Murphy's lucid-dreaming series: the amygdala and hippocampal signals in sequence over both temporal lobes, once a week. Murphy says such temporal sessions are 'probably ... a prerequisite' for the frontal session 6, after which he reports cases of lucid dreaming 'that very night'.
Setting: Dark, quiet room, eyes closed; relax without meditating or falling asleep. End the session 1 to 1.5 h before going to bed.
Schedule: One session a week for 5 weeks, then session 6 (murphy-shakti-lucid-dream-series-frontal). Never on consecutive days; after the series take the vendor's 21-day break.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala then hippocampus, both temporal lobes | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.74 s off, 3 ms points + Point table of 1811, 3 ms per point, 4000 ms pause | All coils together + All coils together |
30 min on all 8 coils in the 8 Coil Shakti's 4-coil cross over each temporal lobe (front FT7/FT8, top C5/C6, back TP7/TP8, bottom T9/T10; the vendor gives the cross as a chart and photos without 10-10 names, so these sites are an inference). The Shakti's paired +/- coils and its channel alternation are not reproduced (no alternation setting is given for this session); all coils play the same signal together. Both signals are proprietary. The amygdala 'burstx' template is approximated by the built-in accelerating burst (6 to 30 Hz over 230 points, the point count of the published burst-firing pattern, drawn on the Shakti's 3-ms points = 0.69 s), the hippocampal 'LTP' template by 4 bursts of 4 biphasic pulses 9 ms apart repeated at 5.4 Hz (the vendor's reported LTP spectral peak), also on 3-ms points. As the vendor describes, the two follow each other with a 4-s silence after each: amygdala 0.69 s, silence 4 s, hippocampus 0.74 s, silence 4 s (a 9.4-s cycle). Murphy notes that 'There have not been many reports' of lucid dreams after the series, so do not expect it to produce them. The vendor also suggests an alternative dream session, chirp over both sides, then hippocampus over the right (murphy-shakti-lucid-dream-series-chirp-hipp). The vendor reports headache or pressure in about 2% of users with hippocampal signals; if so, lower the intensity by one third. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Lucid dreaming and the 8 Coil Shakti; Murphy, Shakti demo: Dreaming; Murphy, Deja vu and other ways to use neuroscience for prayer and meditation (lecture); Murphy, Mood enhancement and the 8 Coil Shakti (signals in sequence with a 4-s latency); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Getting started (8-coil chart); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Body & pleasure 10
8 Coil Shakti caudate signal, parietal, both sides (fast alternation, 30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-caudate-parietal-bilateral-fast, layout: custom, Todd Murphy (8 Coil Shakti software)
Murphy's caudate nucleus ('body') signal over both parietal lobes with the 8 Coil Shakti's fast alternation: on each side two coil pairs take turns twice a second. Murphy presents it for body awareness and balance and reports tingling and sensations of movement.
Setting: Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it. Keep to it even though parietal thresholds are higher, and stay with parietal placement for the whole series.
Coils: CH1 CP1, CH2 CP3, CH3 CP5, CH4 P3, CH5 CP2, CH6 CP4, CH7 CP6, CH8 P4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Caudate (burst stand-in), coil pairs take turns every 0.5 s | 30 | Point table of 1730, 3 ms per point, 3810 ms pause + Point table of 1667, 3 ms per point, 3999 ms pause | All coils together, weighted + All coils together, weighted |
Coils over the parietal strip, which the vendor locates 'about an inch behind the topmost point on the head, and then in a strip down to the top of the ears': CP1, CP3, CP5 and P3 on the left, CP2, CP4, CP6 and P4 on the right (an inference). The 8 Coil Shakti puts both stereo channels on each side (in its temporal-lobe chart one channel's pair sits top and bottom, the other's front and back, each pair one + and one − coil) and alternates the signal between the channels, not between the hemispheres. How the pairs sit over the parietal lobes is not documented, so this file pairs them the same way (an inference): CP1 and CP5 (top and bottom) with CP2 and CP6 as one channel, CP3 and P3 (front and back) with CP4 and P4 as the other. Both hemispheres get every burst; the two pairs on each side take turns. Coil polarity follows that chart, carried over to these sites (an inference): on the left the top (CP1) and front (CP3) coils are − and the bottom (CP5) and back (P3) coils +; on the right the top (CP2) and front (CP4) coils are + and the bottom (CP6) and back (P4) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. Fast alternation: the channels switch 'twice each second' (the vendor says fast alternation emerged as 'the most effective' in the original developers' lab tests); here the signal is gated in point tables so that the two pairs take turns every 0.5 s, and each 0.69-s burst is split between them. So that the half-second clock and the signal repeat together, a burst comes every 4.5 s (3.81 s of silence instead of Shakti's standard 4 s), and the bursts alternately start on the top/bottom and on the front/back pairs. The caudate signal is unpublished, and Murphy calls it 'not a well tested signal'; the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s) stands in for it, as in the project's Shiva caudate session, so the waveform here does not differ from the amygdala stand-in. Murphy describes 'intense tingly sensations ... sensations of movement' with parietal sessions, left-side caudate sessions as arousing (energy, excitement, possibly anger or sexual desire) and right-side ones as relaxing (calm, possibly lethargy), and bilateral ones as balancing body awareness; these are vendor reports. Other forms: murphy-shakti-caudate-parietal-bilateral-slow, -left (arousal) and -right (relaxation). The vendor says thresholds over the parietal lobes 'are a bit higher' and asks users to keep to the normal schedules and not to switch back and forth between the parietal lobes and other locations. A report of anger in two users after a left caudate session followed by a left amygdala session is credited to Murphy but could not be verified on his pages (including both caudate pages); as a precaution, do not follow a left caudate session with a left amygdala session. The vendor does not suggest the caudate signal over the frontal lobes in the 2- and 4-coil Shakti. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: caudate-nucleus, left-supramarginal-gyrus, right-angular-gyrus (field on the brain)
Sources:Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: 8-coil caudate signal; Murphy, Shakti demo: 8 Coil Shakti over the parietal lobes; Murphy, Shakti demo: Getting started (8-coil chart: L−/L+ top and bottom, R−/R+ front and back); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Lynne McTaggart interviews Todd Murphy (2006); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
8 Coil Shakti caudate signal, parietal, both sides (slow alternation, 30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-caudate-parietal-bilateral-slow, layout: custom, Todd Murphy (8 Coil Shakti software)
Murphy's caudate nucleus ('body') signal over both parietal lobes with the 8 Coil Shakti's slow alternation: on each side two coil pairs take turns, one burst each. Murphy presents it for body awareness and balance and reports tingling and sensations of movement.
Setting: Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it. Keep to it even though parietal thresholds are higher, and stay with parietal placement for the whole series.
Coils: CH1 CP1, CH2 CP3, CH3 CP5, CH4 P3, CH5 CP2, CH6 CP4, CH7 CP6, CH8 P4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Caudate (burst stand-in), coil pairs switch after each burst | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.69 s off, 3 ms points + Point table of 1793, 3 ms per point, 4001 ms pause | All coils together, weighted + All coils together, weighted |
Coils over the parietal strip, which the vendor locates 'about an inch behind the topmost point on the head, and then in a strip down to the top of the ears': CP1, CP3, CP5 and P3 on the left, CP2, CP4, CP6 and P4 on the right (an inference). The 8 Coil Shakti puts both stereo channels on each side (in its temporal-lobe chart one channel's pair sits top and bottom, the other's front and back, each pair one + and one − coil) and alternates the signal between the channels, not between the hemispheres. How the pairs sit over the parietal lobes is not documented, so this file pairs them the same way (an inference): CP1 and CP5 (top and bottom) with CP2 and CP6 as one channel, CP3 and P3 (front and back) with CP4 and P4 as the other. Both hemispheres get every burst; the two pairs on each side take turns. Coil polarity follows that chart, carried over to these sites (an inference): on the left the top (CP1) and front (CP3) coils are − and the bottom (CP5) and back (P3) coils +; on the right the top (CP2) and front (CP4) coils are + and the bottom (CP6) and back (P4) coils −. The − coils have negative weights, which reverse their current as if the coil were turned over; + is taken as this helmet's normal drive. Slow alternation: 'one switch after one instance of the signal', so one burst plays on the top/bottom pairs and the next, 4.69 s later, on the front/back pairs (each pair gets a burst every 9.38 s). The caudate signal is unpublished, and Murphy calls it 'not a well tested signal'; the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s, then Shakti's standard 4 s of silence) stands in for it, as in the project's Shiva caudate session, so the waveform here does not differ from the amygdala stand-in. Murphy describes 'intense tingly sensations ... sensations of movement' with parietal sessions, left-side caudate sessions as arousing (energy, excitement, possibly anger or sexual desire) and right-side ones as relaxing (calm, possibly lethargy), and bilateral ones as balancing body awareness; these are vendor reports. Other forms: murphy-shakti-caudate-parietal-bilateral-fast, -left (arousal) and -right (relaxation). The vendor says thresholds over the parietal lobes 'are a bit higher' and asks users to keep to the normal schedules and not to switch back and forth between the parietal lobes and other locations. A report of anger in two users after a left caudate session followed by a left amygdala session is credited to Murphy but could not be verified on his pages (including both caudate pages); as a precaution, do not follow a left caudate session with a left amygdala session. The vendor does not suggest the caudate signal over the frontal lobes in the 2- and 4-coil Shakti. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: caudate-nucleus, left-supramarginal-gyrus, right-angular-gyrus (field on the brain)
Sources:Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: 8-coil caudate signal; Murphy, Shakti demo: 8 Coil Shakti over the parietal lobes; Murphy, Shakti demo: Getting started (8-coil chart: L−/L+ top and bottom, R−/R+ front and back); Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Lynne McTaggart interviews Todd Murphy (2006); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti caudate signal, left parietal lobe ('arousal', 30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-caudate-parietal-left, layout: custom, Todd Murphy (Shakti software)
Murphy's caudate nucleus ('body') signal over the left parietal lobe only, which he describes as arousing: energy and excitement, possibly anger or sexual desire.
Setting: Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it. Keep to it even though parietal thresholds are higher, and stay with parietal placement for the whole series.
Coils: CH1 CP1, CH2 CP3, CH3 CP5, CH4 P3
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Caudate (burst stand-in), left parietal | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Left side only |
Coils over the parietal strip, which the vendor locates 'about an inch behind the topmost point on the head, and then in a strip down to the top of the ears': CP1, CP3, CP5 and P3 on the left (an inference); the right channels stay unused. All four coils of the side run together; the 8-coil channel alternation is not used, as with the 2- and 4-coil Shakti. The caudate signal is unpublished, and Murphy calls it 'not a well tested signal'; the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s, then Shakti's standard 4 s of silence) stands in for it, as in the project's Shiva caudate session, so the waveform here does not differ from the amygdala stand-in. Murphy describes 'intense tingly sensations ... sensations of movement' with parietal sessions, left-side caudate sessions as arousing (energy, excitement, possibly anger or sexual desire) and right-side ones as relaxing (calm, possibly lethargy), and bilateral ones as balancing body awareness; these are vendor reports. Murphy names anger among the possible effects of the left side; stop if irritable or angry. Other forms: murphy-shakti-caudate-parietal-right (relaxation) and the bilateral -bilateral-fast and -bilateral-slow. The vendor says thresholds over the parietal lobes 'are a bit higher' and asks users to keep to the normal schedules and not to switch back and forth between the parietal lobes and other locations. A report of anger in two users after a left caudate session followed by a left amygdala session is credited to Murphy but could not be verified on his pages (including both caudate pages); as a precaution, do not follow a left caudate session with a left amygdala session. The vendor does not suggest the caudate signal over the frontal lobes in the 2- and 4-coil Shakti. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: caudate-nucleus, left-supramarginal-gyrus (field on the brain)
Sources:Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: 8-coil caudate signal; Murphy, Shakti demo: 8 Coil Shakti over the parietal lobes; Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Lynne McTaggart interviews Todd Murphy (2006); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti caudate signal, right parietal lobe ('relaxation', 30 min)Anecdote: Personal reports only30 min, 1.0 µT
murphy-shakti-caudate-parietal-right, layout: custom, Todd Murphy (Shakti software)
Murphy's caudate nucleus ('body') signal over the right parietal lobe only, which he describes as relaxing: calm, possibly lethargy.
Setting: Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it. Keep to it even though parietal thresholds are higher, and stay with parietal placement for the whole series.
Coils: CH5 CP2, CH6 CP4, CH7 CP6, CH8 P4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Caudate (burst stand-in), right parietal | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Right side only |
Coils over the parietal strip, which the vendor locates 'about an inch behind the topmost point on the head, and then in a strip down to the top of the ears': CP2, CP4, CP6 and P4 on the right (an inference); the left channels stay unused. All four coils of the side run together; the 8-coil channel alternation is not used, as with the 2- and 4-coil Shakti. The caudate signal is unpublished, and Murphy calls it 'not a well tested signal'; the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s, then Shakti's standard 4 s of silence) stands in for it, as in the project's Shiva caudate session, so the waveform here does not differ from the amygdala stand-in. Murphy describes 'intense tingly sensations ... sensations of movement' with parietal sessions, left-side caudate sessions as arousing (energy, excitement, possibly anger or sexual desire) and right-side ones as relaxing (calm, possibly lethargy), and bilateral ones as balancing body awareness; these are vendor reports. Murphy names lethargy among the possible effects of the right side. Other forms: murphy-shakti-caudate-parietal-left (arousal) and the bilateral -bilateral-fast and -bilateral-slow. The vendor says thresholds over the parietal lobes 'are a bit higher' and asks users to keep to the normal schedules and not to switch back and forth between the parietal lobes and other locations. A report of anger in two users after a left caudate session followed by a left amygdala session is credited to Murphy but could not be verified on his pages (including both caudate pages); as a precaution, do not follow a left caudate session with a left amygdala session. The vendor does not suggest the caudate signal over the frontal lobes in the 2- and 4-coil Shakti. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: caudate-nucleus, right-angular-gyrus (field on the brain)
Sources:Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: 8-coil caudate signal; Murphy, Shakti demo: 8 Coil Shakti over the parietal lobes; Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Lynne McTaggart interviews Todd Murphy (2006); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti cerebellum: modulated 40 Hz below the inionClaim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shakti-cerebellum-erp-mod40, layout: custom, Todd Murphy (Shakti software)
The modulated 40 Hz form of Murphy's one-coil Shakti cerebellum session: 20 min from one coil just below the bony ridge at the back of the head. The vendor names modulated 40 Hz as the alternative to its ERP signal over the cerebellum, which it calls a 'pleasure/orgasm center'.
Setting: In series that alternate with series over other areas (vendor). Sit, or lie on your side, so the coil at the back of the head is not pressed.
Schedule: Vendor: alternate cerebellar series with series over other areas. The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 Iz
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Cerebellar modulated 40 Hz, one coil at Iz | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | All coils together |
One coil at Iz, the 10-5 site on the inion: the vendor says to 'use the bony ridge at the back of your head', with the occipital lobes above the ridge and the cerebellum below it, and uses a one-coil headset, so seat the coil on or just below the ridge. Iz is an inference; I1 or I2 (a little to either side) and O9 or O10 (further out) are alternative sites. The other seven channels stay unused. A coil below the inion is hard to hold on a Velcro band, so check that it sits firmly and comfortably. The Shakti's modulated 40 Hz file is proprietary; it is approximated by the built-in phase-modulated sine (a 40 Hz carrier drifting between about 38.5 and 41.5 Hz every 2 s, 1-ms points). The vendor calibrates its modulated 40 Hz signal at 10 mG (1 µT), the default here. The vendor's 'un-do unwanted effects' advice after amygdala-and-hippocampus sessions names the ERP signal; that form is murphy-shakti-cerebellum-erp. The vendor's claim that 'cerebellar activation can attenuate limbic, particularly amygdaloid, activation' is untested. The vendor warns that 'excess cerebellar activation may lead to emotional flattening', so do not overuse it. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if distressed.
Sources:Murphy, Shakti demo: Cerebellum; Murphy, Shakti demo: ERP signal; Murphy, Shakti demo: Bliss (undo procedures); Murphy, Shakti demo: Modulated 40 Hz (obe45) signal (10 mG calibration); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti septal ('pleasure center') signal, coils front to backAnecdote: Personal reports only20 min, 1.0 µT
murphy-shakti-septal-vertical, layout: custom, Todd Murphy (Shakti software)
Murphy's Shakti septal signal from two still coils in a front-to-back line on the midline at the top of the head, over the upper parietal strip. The vendor presents it for pleasant and sexual sensations and reports after-effects.
Setting: Quiet room, eyes closed, relaxed. Only two coils, one behind the other on the midline: Cz at the top of the head and CPz behind it; the other six stay unused.
Schedule: At most weekly; the vendor warns not to over-use it.
Coils: CH1 Cz, CH2 CPz
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Septal signal (slow burst stand-in), both coils still | 20 | Accelerating burst 1 → 6 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together |
Front-to-back two-coil arrangement; Cz/CPz is the research translation. The vendor's text starts the strip about an inch behind the very top of the head, so the pair may sit a little further back than Cz. Both coils play the signal together without moving (murphy-shakti-septal-horizontal has the side-by-side arrangement). The vendor puts the coils 'over the tops of both parietal lobes', on 'the upper portion of the parietal strip ... from an inch behind the very top of the head to two inches from that point'. The septal file is proprietary; Murphy says only that it has 'very low frequencies' and needs a higher volume. As in this project's Shiva septum program, it is approximated by the built-in accelerating burst lowered to 1-6 Hz, in the vendor's standard format (230 points × 3 ms, then about 4 s of silence). The vendor's 'square wave' version is unpublished and not included. The vendor's volume table (PCI sound card 65% for men and 42% for women; onboard or laptop sound 100% and 85%) gives sound-card settings, not field strengths (it implies the vendor ran this signal lower for women), so the default here is 1 µT; adjust the intensity in the app. The vendor adds that over the frontal lobes the signal 'can help people feel relaxed'. It says the signal was 'tested with only a few human and no animal subjects' and is 'not a treatment' for sexual dysfunction; the reported effects are testimonials. The septal nuclei are not in the brain view's region list, so no target is highlighted. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if it is unpleasant.
Sources:Murphy, Shakti and the brain's pleasure center – the septum; Murphy, Shakti demo: Septum signal; Murphy, Shakti demo: Sexual effects; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Safety – how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti septal ('pleasure center') signal, coils side by sideAnecdote: Personal reports only20 min, 1.0 µT
murphy-shakti-septal-horizontal, layout: custom, Todd Murphy (Shakti software)
Murphy's Shakti septal signal from two still coils side by side over the tops of both parietal lobes, where the vendor places the body map's genital area. The vendor presents it for pleasant and sexual sensations and reports after-effects.
Setting: Quiet room, eyes closed, relaxed. Only two coils: CP1 over the top of the left parietal lobe and CP2 over the right; the other six stay unused.
Schedule: At most weekly; the vendor warns not to over-use it.
Coils: CH1 CP1, CH5 CP2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Septal signal (slow burst stand-in), both coils still | 20 | Accelerating burst 1 → 6 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together |
Side-by-side two-coil arrangement; CP1/CP2 is the research translation of the vendor's description, and both coils play the signal together without moving (murphy-shakti-septal-vertical has the front-to-back arrangement, murphy-shakti-septal-fast the alternating 8-coil file). The vendor puts the coils 'over the tops of both parietal lobes', on 'the upper portion of the parietal strip ... from an inch behind the very top of the head to two inches from that point'. The septal file is proprietary; Murphy says only that it has 'very low frequencies' and needs a higher volume. As in this project's Shiva septum program, it is approximated by the built-in accelerating burst lowered to 1-6 Hz, in the vendor's standard format (230 points × 3 ms, then about 4 s of silence). The vendor's 'square wave' version is unpublished and not included. The vendor's volume table (PCI sound card 65% for men and 42% for women; onboard or laptop sound 100% and 85%) gives sound-card settings, not field strengths (it implies the vendor ran this signal lower for women), so the default here is 1 µT; adjust the intensity in the app. The vendor adds that over the frontal lobes the signal 'can help people feel relaxed'. It says the signal was 'tested with only a few human and no animal subjects' and is 'not a treatment' for sexual dysfunction; the reported effects are testimonials. The septal nuclei are not in the brain view's region list, so no target is highlighted. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if it is unpleasant.
Sources:Murphy, Shakti and the brain's pleasure center – the septum; Murphy, Shakti demo: Septum signal; Murphy, Shakti demo: Sexual effects; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Safety – how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti septal ('pleasure center') signal, fast left/right alternationAnecdote: Personal reports only20 min, 1.0 µT
murphy-shakti-septal-fast, layout: custom, Todd Murphy (Shakti software)
Murphy's Shakti septal signal over the tops of both parietal lobes, switching between a left and a right coil twice a second as the vendor's 8-coil septal file switches between its two channels. The vendor presents it for pleasant and sexual sensations and reports after-effects.
Setting: Quiet room, eyes closed, relaxed. Two coils: CP1 over the top of the left parietal lobe and CP2 over the right; the other six stay unused.
Schedule: At most weekly; the vendor warns not to over-use it.
Coils: CH1 CP1, CH5 CP2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Septal signal (slow burst stand-in), left and right coil every 0.5 s | 20 | Accelerating burst 1 → 6 Hz, 0.69 s on, 4 s off, 3 ms points | Left ↔ right every 0.5 s |
The vendor's 8-coil septal file alternates between its two stereo channels 'twice each second'. Where the 8 Coil Shakti's coils go for this signal is not in the research, so the alternation runs on the side-by-side pair: CP1 carries one channel and CP2 the other, each for 0.5 s in turn (an inference; murphy-shakti-septal-horizontal plays both coils together). The vendor puts the coils 'over the tops of both parietal lobes', on 'the upper portion of the parietal strip ... from an inch behind the very top of the head to two inches from that point'. The septal file is proprietary; Murphy says only that it has 'very low frequencies' and needs a higher volume. As in this project's Shiva septum program, it is approximated by the built-in accelerating burst lowered to 1-6 Hz, in the vendor's standard format (230 points × 3 ms, then about 4 s of silence). The vendor's 'square wave' version is unpublished and not included. The vendor's volume table (PCI sound card 65% for men and 42% for women; onboard or laptop sound 100% and 85%) gives sound-card settings, not field strengths (it implies the vendor ran this signal lower for women), so the default here is 1 µT; adjust the intensity in the app. The vendor adds that over the frontal lobes the signal 'can help people feel relaxed'. It says the signal was 'tested with only a few human and no animal subjects' and is 'not a treatment' for sexual dysfunction; the reported effects are testimonials. The septal nuclei are not in the brain view's region list, so no target is highlighted. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if it is unpleasant.
Sources:Murphy, Shakti and the brain's pleasure center – the septum; Murphy, Shakti demo: Septum signal; Murphy, Shakti demo: Sexual effects; Murphy, Shakti demo: Understanding the 8 Coil Shakti (fast and slow alternation); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Safety – how often; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva caudate nucleus signal (60 min)Anecdote: Personal reports only60 min, 1.0 µT
murphy-shiva-caudate-60, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's 60-min Shiva caudate nucleus session, stepped counter-clockwise around the head. Murphy describes body-related ('emotive-visceral') effects, and one user reported 'a sort of timeless quality'.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep.
Schedule: Weekly or less (vendor); Shiva's rule for 60-min sessions is weekly or every two weeks at most, never on consecutive days.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Caudate signal (burst stand-in), CCW 10-20 ms | 60 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and fire one at a time counter-clockwise seen from above (back-to-front over the right side), 10, 12 … 20 ms per coil (Murphy's lecture example; Shiva's own step table is unpublished). Murphy's Shakti caudate pages call the caudate signal 'not well tested', and its waveform is not described anywhere; this file uses the built-in accelerating burst in the vendor's standard format (6 → 30 Hz, 230 points × 3 ms, then about 4 s of silence) as a stand-in, so on this helmet it differs from the Shiva amygdala session only in name and length. Murphy also names caudate sessions, with the Persinger Session, as candidates for his 'healing by laying on hands' practice (a palm exercise four times a day for five minutes, practised three to six days after a session, with sessions on geomagnetically unsettled days); that is a vendor claim, not a treatment, and there is no evidence that it heals anything. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop at once if distressed.
Aims at: caudate-nucleus (field on the brain)
Sources:Murphy, Shiva main page (caudate testimonial); Murphy, Shiva: Healing by laying on hands; Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Shiva demo: Session lengths; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva septum ('pleasure center') signalClaim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shiva-erp-septum-chirp-septum, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva septum session: his 'pleasure center' signal stepped counter-clockwise around the head. Murphy describes pleasant and sexual sensations.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Septum signal (slow burst stand-in), CCW 10-20 ms | 20 | Accelerating burst 1 → 6 Hz, 0.69 s on, 4 s off, 3 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and fire one at a time counter-clockwise seen from above (back-to-front over the right side), 10, 12 … 20 ms per coil (Murphy's lecture example; Shiva's own step table is unpublished). The septal file is proprietary; Murphy says only (on his Shakti septal page) that it has 'very low frequencies' and so needs a higher volume. This file uses the built-in accelerating burst in the vendor's standard format (230 points × 3 ms, then about 4 s of silence) with its sweep lowered to 1 → 6 Hz as a stand-in; it is an approximation, not the Shiva file. Murphy suggests men and women may respond differently (he counts four orgasm centres for women and one for men), and his Shakti volume table sets the septal signal lower for women. His Shakti septal pages say the signal was 'tested with only a few human and no animal subjects' and is 'not a treatment' for sexual problems. The septal nuclei are not in the brain view's region list, so no target is highlighted. Shiva's simple sessions usually come in 20, 30 and 60-min versions; this file runs 20. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Stop if it is unpleasant; not for people with epilepsy.
Sources:Murphy, Shiva demo: Septum signal; Murphy, Shakti demo: Septum signal; Murphy, Shakti and the brain's pleasure center – the septum; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Shiva demo: Session lengths; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Single signals (Shiva / Shakti) 16
8 Coil Shakti: Limbic Workout (frontal)Claim: Claimed by the author, lab or vendor; no controlled independent test43 min, 1.0 µT
murphy-shakti8-limbic-workout-frontal, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
Todd Murphy's 'Limbic Workout' (descending lability batch) for the 8 Coil Shakti: seven 5-min signals for limbic structures, from the least to the most sensitive (chirp, caudate, Fibonacci, slow and standard hippocampus, short-latency and standard amygdala), with 90-s silences, over both frontal lobes. Murphy states that the brain gets 'a novel stimulation every few minutes' and so avoids habituation.
Setting: The vendor's session takes about 45 min (42.5 min here). Darkness and silence for effects during the session; eyes closed, relaxed without meditating or falling asleep. Bilateral placement only.
Schedule: Vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 AF3, CH3 AF7, CH4 F3, CH5 Fp2, CH6 AF4, CH7 AF8, CH8 F4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 1 Modulated 40 Hz chirp | 5 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | All coils together, weighted |
| 2 | Silence | 1.5 | No output | All coils together |
| 3 | 2 Caudate (burst stand-in) | 5 | Accelerating burst 6 → 30 Hz, 1.5 s on, 4 s off, 3 ms points | All coils together, weighted |
| 4 | Silence | 1.5 | No output | All coils together |
| 5 | 3 Fibonacci | 5 | Point table of 6000, 0.5 ms per point | All coils together, weighted |
| 6 | Silence | 1.5 | No output | All coils together |
| 7 | 4 Slow hippocampus | 5 | Point table of 260, 4 ms per point, 4000 ms pause | All coils together, weighted |
| 8 | 5 Standard hippocampus | 5 | Point table of 260, 3 ms per point, 4000 ms pause | All coils together, weighted |
| 9 | Silence | 1.5 | No output | All coils together |
| 10 | 6 Amygdala, shorter latency | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 2.31 s off, 3 ms points | All coils together, weighted |
| 11 | Silence | 1.5 | No output | All coils together |
| 12 | 7 Standard amygdala | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together, weighted |
Coils over both frontal lobes (Murphy's first choice; the sites Fp1, AF3, AF7, F3 and Fp2, AF4, AF8, F4 are an inference, as the vendor shows photos only); all eight run together, with no rotation or channel alternation (the vendor specifies none). The Shakti's coils come as + and - ('North and South'), one of each per stereo channel on each side; the vendor publishes no 8-coil frontal chart, so the signs extend its four-coil forehead photos (upper coil -, lower coil + on the left, the reverse on the right): AF3 and F3 on the left and Fp2 and AF8 on the right are reversed (weight -1), while Fp1, AF7, AF4 and F4 run as is (an inference). The vendor's session has 13 phases (7 signals of 5 min, each followed by 90 s of silence except the last; 44 min). This helmet allows 12 phases, so the silence between the slow and the standard hippocampal signal is left out (the slow signal is meant to 'prepare the hippocampus' for the standard one) and the session runs 42.5 min. The structure is verbatim on the vendor's page: 'This session is approximately 45 minutes. It uses seven signals. There is a 90 second silent gap between each phase, for a total of 13 phases', 'applying the various signals for five minutes each', in the order used here; the public demo does not include the session, and the vendor gives no alternation mode for it. Every waveform is proprietary. Chirp (Murphy: the modulated 40 Hz signal with gaps that get longer, amplitude and gaps varied by a Fibonacci constant): a sweep slowing from 40 to 6 Hz (the end frequency is a choice), 837 points at 3 ms once every 4 s, after the published FM pattern (837 points at 1 ms every 4 s); the 40 Hz phase modulation and the Fibonacci amplitude changes are not reproduced. Caudate: its waveform is unpublished, so the built-in accelerating burst stands in, as in the project's other caudate sessions, but with the default 1.5-s sweep (6 to 30 Hz, then 4 s of silence) instead of their 0.69 s, so that this phase differs from the two amygdala phases. Fibonacci: the project's Fibonacci-amplitude theta-burst construct (100 Hz pulse bursts at 5 Hz whose strength rises and falls along 1, 1, 2, 3, 5, 8 ...). Standard hippocampus: 5 theta bursts of 4 pulses at 5.4 Hz (the vendor's LTP spectral peak) on Shakti's 3-ms points, then 4 s of silence. Slow hippocampus: the same template at 4-ms points, so the bursts and the time between them are a third longer (the vendor says both differ but gives no values; elsewhere its slow hippocampal files carry the codes tp_24_16 (kor_9_tp_24_16, 'Slow Hippocampal Signal - Fast Alternation') and ltp_24_16 (in the amygdala-left, slow-hippocampus-right file), whose numbers it does not explain, and whether this session uses either file is not stated). Amygdala: the built-in accelerating burst (6 to 30 Hz) of 230 points at 3 ms (0.69 s) with the standard 4-s silence; for the 'shorter latency' phase the silence is 2.3 s, so a burst starts every 3 s as in the published 230-point burst-firing pattern (the vendor gives no value). Vendor: 'USE THIS SESSION ONLY OVER BOTH SIDES OF YOUR HEAD.' The temporal-lobe version is murphy-shakti8-limbic-workout-temporal. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Changed in this revision: the vendor's wording of the 13-phase structure, the slow-signal file code and the output page were added to the notes and sources; the phases are unchanged.
Aims at: caudate-nucleus, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, left-amygdala, right-amygdala, vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Murphy, Shakti demo: Limbic Workout session; Murphy, Shakti demo: Limbic Workout output page; Murphy, Shakti demo: 8-coil hippocampal signal (slow hippocampal file codes); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, The Feelgood Session for the 8 Coil Shakti (forehead coil photos with + and - coils); Murphy, Mood enhancement & the 8 Coil Shakti (coils 'North and South'); Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: Fibonacci and hippocampus session; Murphy, Shakti demo: Amygdala (left) and hippocampus (right) signals (alternative 'slow' hippocampal signal); Murphy, Shakti demo: Modulated 40 Hz chirp signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: Safety - how often; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3-ms points); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
8 Coil Shakti: Limbic Workout (temporal)Claim: Claimed by the author, lab or vendor; no controlled independent test43 min, 1.0 µT
murphy-shakti8-limbic-workout-temporal, layout: custom, Todd Murphy (8 Coil Shakti software); signal templates licensed from Persinger & Koren
Todd Murphy's 'Limbic Workout' (descending lability batch) for the 8 Coil Shakti: seven 5-min signals for limbic structures, from the least to the most sensitive (chirp, caudate, Fibonacci, slow and standard hippocampus, short-latency and standard amygdala), with 90-s silences, over both temporal lobes. Murphy states that the brain gets 'a novel stimulation every few minutes' and so avoids habituation.
Setting: The vendor's session takes about 45 min (42.5 min here). Darkness and silence for effects during the session; eyes closed, relaxed without meditating or falling asleep. Bilateral placement only.
Schedule: Vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 1 Modulated 40 Hz chirp | 5 | Sweep 40 → 6 Hz over 2.51 s, 1.49 s pause | All coils together, weighted |
| 2 | Silence | 1.5 | No output | All coils together |
| 3 | 2 Caudate (burst stand-in) | 5 | Accelerating burst 6 → 30 Hz, 1.5 s on, 4 s off, 3 ms points | All coils together, weighted |
| 4 | Silence | 1.5 | No output | All coils together |
| 5 | 3 Fibonacci | 5 | Point table of 6000, 0.5 ms per point | All coils together, weighted |
| 6 | Silence | 1.5 | No output | All coils together |
| 7 | 4 Slow hippocampus | 5 | Point table of 260, 4 ms per point, 4000 ms pause | All coils together, weighted |
| 8 | 5 Standard hippocampus | 5 | Point table of 260, 3 ms per point, 4000 ms pause | All coils together, weighted |
| 9 | Silence | 1.5 | No output | All coils together |
| 10 | 6 Amygdala, shorter latency | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 2.31 s off, 3 ms points | All coils together, weighted |
| 11 | Silence | 1.5 | No output | All coils together |
| 12 | 7 Standard amygdala | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together, weighted |
Coils over both temporal lobes (Murphy's second choice), on the standard 8 Coil Shakti cross centred near T7/T8 (an inference from the vendor's chart); all eight run together, with no rotation or channel alternation (the vendor specifies none). Coil polarity follows the vendor's coil chart, one + and one - coil per stereo pair: C5 (top) and FT7 (front) on the left and T10 (bottom) and TP8 (back) on the right are reversed (weight -1), while T9, TP7, C6 and FT8 run as is. The vendor's session has 13 phases (7 signals of 5 min, each followed by 90 s of silence except the last; 44 min). This helmet allows 12 phases, so the silence between the slow and the standard hippocampal signal is left out (the slow signal is meant to 'prepare the hippocampus' for the standard one) and the session runs 42.5 min. The structure is verbatim on the vendor's page: 'This session is approximately 45 minutes. It uses seven signals. There is a 90 second silent gap between each phase, for a total of 13 phases', 'applying the various signals for five minutes each', in the order used here; the public demo does not include the session, and the vendor gives no alternation mode for it. Every waveform is proprietary. Chirp (Murphy: the modulated 40 Hz signal with gaps that get longer, amplitude and gaps varied by a Fibonacci constant): a sweep slowing from 40 to 6 Hz (the end frequency is a choice), 837 points at 3 ms once every 4 s, after the published FM pattern (837 points at 1 ms every 4 s); the 40 Hz phase modulation and the Fibonacci amplitude changes are not reproduced. Caudate: its waveform is unpublished, so the built-in accelerating burst stands in, as in the project's other caudate sessions, but with the default 1.5-s sweep (6 to 30 Hz, then 4 s of silence) instead of their 0.69 s, so that this phase differs from the two amygdala phases. Fibonacci: the project's Fibonacci-amplitude theta-burst construct (100 Hz pulse bursts at 5 Hz whose strength rises and falls along 1, 1, 2, 3, 5, 8 ...). Standard hippocampus: 5 theta bursts of 4 pulses at 5.4 Hz (the vendor's LTP spectral peak) on Shakti's 3-ms points, then 4 s of silence. Slow hippocampus: the same template at 4-ms points, so the bursts and the time between them are a third longer (the vendor says both differ but gives no values; elsewhere its slow hippocampal files carry the codes tp_24_16 (kor_9_tp_24_16, 'Slow Hippocampal Signal - Fast Alternation') and ltp_24_16 (in the amygdala-left, slow-hippocampus-right file), whose numbers it does not explain, and whether this session uses either file is not stated). Amygdala: the built-in accelerating burst (6 to 30 Hz) of 230 points at 3 ms (0.69 s) with the standard 4-s silence; for the 'shorter latency' phase the silence is 2.3 s, so a burst starts every 3 s as in the published 230-point burst-firing pattern (the vendor gives no value). Vendor: 'USE THIS SESSION ONLY OVER BOTH SIDES OF YOUR HEAD.' The frontal-lobe version is murphy-shakti8-limbic-workout-frontal. The vendor reports headache or pressure in about 2% of users with the hippocampal signal (a figure it attributes to an earlier version of the technology); if so, lower the intensity by one third. The effects are vendor claims backed only by user reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for anyone with epilepsy or a seizure history, a psychiatric condition or medication, migraine or brain injury, or on drugs; this is not a treatment. Stop at once on fear or distress. Changed in this revision: the vendor's wording of the 13-phase structure, the slow-signal file code and the output page were added to the notes and sources; the phases are unchanged.
Aims at: caudate-nucleus, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, left-amygdala, right-amygdala, left-temporal-pole, left-superior-temporal-gyrus-posterior, right-temporal-pole, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Murphy, Shakti demo: Limbic Workout session; Murphy, Shakti demo: Limbic Workout output page; Murphy, Shakti demo: 8-coil hippocampal signal (slow hippocampal file codes); Murphy, Shakti demo: Getting Started (8-coil chart, +/- coil pairs); Murphy, Shakti demo: Caudate nucleus signal; Murphy, Shakti demo: Fibonacci and hippocampus session; Murphy, Shakti demo: Amygdala (left) and hippocampus (right) signals (alternative 'slow' hippocampal signal); Murphy, Shakti demo: Modulated 40 Hz chirp signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: Safety - how often; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern once every 3 s); Dixon & Persinger 2001, Int J Neurosci 108:87 (837-point FM pattern every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (Thomas pattern, 3-ms points); Murphy, Shiva demo: Consumer information (headache with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti 'Theta Band' random noise (T7 + T8, 10 min)Anecdote: Personal reports only10 min, 1.0 µT
murphy-shakti-theta-noise, layout: custom, Todd Murphy (Shakti software); copies an accidental noise output of Persinger-lab (Laurentian University) DAC hardware in the early 1990s
Murphy's 'Theta Band' signal: low-frequency noise with a 5.4 Hz spectral peak from one coil above each ear. Murphy reports that the accidental DAC noise it copies produced 'visions, vestibular sensations, and pleasant emotional effects'.
Setting: Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it.
Coils: CH1 T7, CH5 T8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Theta-band noise (4-6.8 Hz), both coils | 10 | Random noise 4–6.8 Hz, 1 ms points | All coils together |
Two coils carry the same signal, one above each ear (T7 and T8, the vendor's 'one signal to two coils, located above the ears, over both temporal lobes'); the other six channels stay unused. Murphy says the noise first came from an accident: the lab software ran 'too fast' after a 286 to 386 upgrade, and his own DAC was not set up; the vendor's FFT of its file shows a peak at 5.4 Hz, the same peak it reports for its hippocampal LTP signal. The file is unpublished, so it is approximated by the built-in band-limited noise from 4 to 6.8 Hz (centred on 5.4 Hz); the original spectrum and its 'low amplitude' are not specified, and 1 µT is the usual Persinger-lab strength. 10 min: the vendor's only duration is '10 minute sessions are usually sufficient', given for trying the signal out; it gives no length for a full session. The vendor calls the signal less well tested and has tried it only on both sides at once, so there is no one-sided version. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy or a seizure history; stop at once if distressed.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-hippocampus-body, right-hippocampus-body (field on the brain)
Sources:Murphy, Shakti demo: Random Theta Band output (5jut4ran; 5.4 Hz FFT peak, also the LTP signal's peak); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: How long should sessions be; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti side test (10 min per side): amygdala signalClaim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shakti-test-session-amygdala, layout: custom, Todd Murphy (Shakti software)
Murphy's laterality test before any one-sided series: 10 min of the amygdala burst-firing signal over the right temporal lobe, where he says it is usually unpleasant, then at once 10 min at the mirror site on the left. It checks for what Murphy calls a 'reversed' structure.
Setting: Quiet, dim room, eyes closed, relaxed. One coil above each ear: T8 (right) for phase 1 and T7 (left) for phase 2; the other six stay unused. Note how each half feels: pleasant, unpleasant or nothing.
Schedule: One signal per test and at most one test every 72 hours (vendor rule).
Coils: CH1 T7, CH5 T8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Right side (usually unpleasant): rate how it feels | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Right side only |
| 2 | Left side (mirror site): rate how it feels | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Left side only |
The vendor: start over the side where the signal is usually UNPLEASANT (amygdala: right), then switch immediately to the mirror location, 5-10 min each; this file uses 10 min per side (Skip ends a side early). Murphy uses the result to choose sides for one-sided sessions: a response opposite to the usual one points, in his view, to a 'reversed' or 'left-handed' structure, while 'If you get no response at all, you probably do not have one'. Negative imagery during an amygdala session is his sign that it has run too long, so skip or stop then. T7/T8 is the research translation of 'the same location on each side'; if a one-sided series will use other sites, test there instead. The laterality rule comes from user reports and a small Persinger-lab study (Richards, Koren & Persinger 1992: burst-firing over the right temporal lobe raised apprehension in women). Murphy links the right amygdala with fear and sadness, mostly from user reports, so the first half can bring fear; press Skip to move to the mirror side. The amygdala ('burstx') file is proprietary; it is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points at the vendor's standard 3-ms points (0.69 s), followed by the vendor's standard latency of about 4 s. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: right-amygdala, left-amygdala (field on the brain)
Sources:Murphy, Shakti demo: Test sessions; Murphy, Shakti demo: 10 minute sessions; Murphy, Shakti demo: 'Reversed' or 'left-handed' brain structures; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Richards, Koren & Persinger 1992, Percept Mot Skills 75:667; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti side test (10 min per side): hippocampal signalClaim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shakti-test-session-hippocampus, layout: custom, Todd Murphy (Shakti software)
Murphy's laterality test before any one-sided series: 10 min of the hippocampal 'LTP' signal over the left temporal lobe, where he says it is usually unpleasant, then at once 10 min at the mirror site on the right. It checks for what Murphy calls a 'reversed' structure.
Setting: Quiet, dim room, eyes closed, relaxed. One coil above each ear: T7 (left) for phase 1 and T8 (right) for phase 2; the other six stay unused. Note how each half feels: pleasant, unpleasant or nothing.
Schedule: One signal per test and at most one test every 72 hours (vendor rule).
Coils: CH1 T7, CH5 T8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Left side (usually unpleasant): rate how it feels | 10 | Point table of 248, 3 ms per point, 4000 ms pause | Left side only |
| 2 | Right side (mirror site): rate how it feels | 10 | Point table of 248, 3 ms per point, 4000 ms pause | Right side only |
The vendor: start over the side where the signal is usually UNPLEASANT (hippocampus: left), then switch immediately to the mirror location, 5-10 min each; this file uses 10 min per side (Skip ends a side early). Murphy uses the result to choose sides for one-sided sessions: a response opposite to the usual one points, in his view, to a 'reversed' or 'left-handed' structure, while 'If you get no response at all, you probably do not have one'. Anxiety during a hippocampal session is his sign that it has run too long, so skip or stop then. T7/T8 is the research translation of 'the same location on each side'; if a one-sided series will use other sites, test there instead. The laterality rule comes from user reports and a small Persinger-lab study (Persinger, Richards & Koren 1994: LTP-pattern fields over the right hemisphere were rated more pleasant than over the left). The hippocampal 'LTP' file is proprietary; it is approximated by a point table in the vendor's standard scheme (3-ms points, about 4 s of latency): four theta bursts, each of four biphasic pulses 9 ms apart (after the 4-pulse bursts of Larson & Lynch 1986), one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal). The vendor reports headache or pressure in about 2% with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy, seizure history or a psychiatric condition; stop on distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Test sessions; Murphy, Shakti demo: 10 minute sessions; Murphy, Shakti demo: 'Reversed' or 'left-handed' brain structures; Murphy, Shakti demo: Getting started (8-coil chart; one test every 72 hours); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti thalamus burst-firing signal (untested)Unverified: A construct nobody has tested yet20 min, 1.0 µT
murphy-shakti-thalamus, layout: custom, Todd Murphy (2- and 4-coil Shakti software)
Murphy's thalamus burst-firing signal for the 2- and 4-coil Shakti, 20 min. The vendor aims at states resembling 'dreamless sleep' with awareness ('The Source', 'The Formless'), says it 'may do no more for you than make you drowsy', and calls it 'an untested signal'.
Setting: Stay alert and 'present' during the session rather than drifting into sleep (vendor).
Schedule: The vendor's general Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break.
Coils: CH1 T7, CH5 T8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thalamus signal (burst stand-in), both coils | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | All coils together |
The vendor gives neither the waveform nor a coil position; its location pages list the signal as untested over the right temporal, parietal and occipital lobes. This file puts one coil above each ear (T7 and T8, the same signal on both), a project choice for a two-coil set; the other six channels stay unused. The thalamus file is unpublished, so the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s, then the Shakti's standard 4 s of silence) stands in for it: nothing thalamus-specific is copied, and the waveform is the same as the project's amygdala stand-in. The thalamus lies deep in the centre of the brain, several centimetres from any coil. If the session leaves you drowsy, do not drive afterwards. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if distressed.
Aims at: thalamus (field on the brain)
Sources:Murphy, Shakti demo: Thalamus burst firing signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Murphy, Shakti demo: Safety - how often; Murphy, Shakti demo: Taking breaks; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Shakti: Fibonacci and hippocampus, 4 phases (about 20 min)Claim: Claimed by the author, lab or vendor; no controlled independent test19 min, 1.0 µT
murphy-shakti-fibonacci-hippocampus, layout: custom, Todd Murphy, 8 Coil Shakti software (the vendor says the design was 'used in the lab in unpublished studies')
Murphy's 4-phase 8 Coil Shakti session over both temporal lobes: a Fibonacci-amplitude signal (4 min) and the standard hippocampal 'LTP' signal (5.25 min) take turns twice, an alternation meant to keep the brain from habituating to one signal. The vendor calls it 'less well-tested'.
Setting: Dark, quiet room, eyes closed; relax without meditating or falling asleep. The vendor says to start with the coils over the temporal lobes.
Schedule: Vendor rules: at most once a week or every 72 h, never on consecutive days; a series of up to 6 sessions, then a 21-day break.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Fibonacci signal, both temporal lobes | 4 | Point table of 6000, 0.5 ms per point | All coils together |
| 2 | Hippocampal LTP, both temporal lobes | 5.25 | Point table of 248, 3 ms per point, 4000 ms pause | All coils together |
| 3 | Fibonacci signal (repeat) | 4 | Point table of 6000, 0.5 ms per point | All coils together |
| 4 | Hippocampal LTP (repeat) | 5.25 | Point table of 248, 3 ms per point, 4000 ms pause | All coils together |
Phases as on the vendor page: Fibonacci 4 min, hippocampus 5.25 min, Fibonacci 4 min, hippocampus 5.25 min (18.5 min of signal; the vendor calls it a 20-min session), with abrupt switches. All 8 coils sit in the 8 Coil Shakti's 4-coil cross over each temporal lobe (front FT7/FT8, top C5/C6, back TP7/TP8, bottom T9/T10; the vendor gives the cross as a chart and photos without 10-10 names, so these sites are an inference). The Shakti's paired +/- coils and its channel alternation are not reproduced (no alternation setting is given for this session); all coils play the same signal together. The vendor says only that in the Fibonacci signal 'the magnetic field goes up and down in strength at each Fibonacci node'; the file is proprietary. It is approximated by the project's Fibonacci table: theta bursts (4 pulses at 100 Hz, 5 bursts a second, after the Larson & Lynch 1986 LTP timing) whose amplitudes rise 1, 1, 2, 3, 5, 8, 13, 21 and fall back over 3 s, repeated without a pause (the page does not say whether this signal has the Shakti's 4-s latency). The hippocampal 'LTP' file is proprietary. It is approximated on the vendor's standard 3-ms points: 4 bursts of 4 biphasic pulses 9 ms apart, one burst every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), then the standard 4 s of silence (about 9.4 s of field per minute; the vendor gives 9.6 s). Murphy says the hippocampal signal is more likely to have positive effects over the right side or both sides, but not over the left side alone (his right-side rule goes back to one small Persinger-lab study, Persinger, Richards & Koren 1994: right-sided LTP-pattern fields were rated more pleasant). The vendor reports headache or pressure in about 2% of users with hippocampal signals; if so, lower the intensity by one third. Not for people with epilepsy or a seizure history; stop at once on fear or any distress. Independent double-blind tests found no effect of God-Helmet-type fields (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Fibonacci and hippocampus session; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal discussion (9.6 s of field per minute); Murphy, Shakti demo: Random theta band output (LTP spectral peak 5.4 Hz); Murphy, Shakti demo: Getting started (8-coil chart); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety, how often; Murphy, Shakti demo: Taking breaks; Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva amygdala + hippocampus in sequence (fast, 3x)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-amy-hipp-sequence-fast, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva 'amygdala and hippocampus signals in sequence' session in its Fast (3×) version: the alternating amygdala and hippocampal bursts are played three times faster, stepped counter-clockwise around the head. Murphy states the pair 'should elicit a greater limbic activation than either of them alone'.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Shiva offers 20, 30 and 60-min versions; start with the short one.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala → hippocampus 3x, CCW 10-20 ms (20-min version) | 20 | Accelerating burst 18 → 90 Hz, 0.23 s on, 2.91 s off, 1 ms points + Point table of 1811, 1 ms per point, 1333 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) + Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Amygdala → hippocampus 3x, continued (30-min version) | 10 | Accelerating burst 18 → 90 Hz, 0.23 s on, 2.91 s off, 1 ms points + Point table of 1811, 1 ms per point, 1333 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) + Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and fire one at a time counter-clockwise seen from above (back-to-front over the right side), 10, 12 … 20 ms per coil (Murphy's lecture example; Shiva's own step table is unpublished). Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version (a 60-min Shiva version also exists). The normal-speed stand-ins (amygdala: built-in accelerating burst, 230 points × 3 ms, 6 → 30 Hz; hippocampus: 4 theta bursts of 4 biphasic pulses at 3-ms points, bursts every 186 ms = the vendor's 5.4 Hz LTP peak; about 4 s of silence after each) are played here at 1-ms points, three times faster: a 0.23-s amygdala burst sweeping 18 → 90 Hz, 1.33 s of silence, a 0.25-s hippocampal train with bursts every 62 ms (16 Hz) and pulses 3 ms apart, 1.33 s of silence (cycle 3.1 s). Murphy's Shakti 'high-speed' signals likewise use 1-ms points and drop the latency; whether Shiva's fast version shortens or drops it is not published, so it is shortened 3× with the rest of the signal, as in the project's other Shiva fast sessions. Both signal files are proprietary, so these are approximations. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Try the normal-speed version first; not for people with epilepsy; stop at once if distressed. Murphy reports headaches in about 2% of users of an earlier version of the technology, mostly with hippocampal signals, and advises lowering the intensity by a third.
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shiva demo: Amygdala and hippocampus signals in sequence; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Mood enhancement / feelgood (8 Coil Shakti; two signals 'one after the other' with a four-second latency); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Shiva demo: Session lengths; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva amygdala + hippocampus in sequence (normal speed)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-amy-hipp-sequence, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva session 'amygdala and hippocampus signals in sequence': an amygdala burst and a hippocampal burst take turns, each followed by about 4 s of silence, stepped counter-clockwise around the head. Murphy states the pair 'should elicit a greater limbic activation than either of them alone'.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Shiva offers 20, 30 and 60-min versions; start with the short one.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala → hippocampus, CCW 10-20 ms (20-min version) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.74 s off, 3 ms points + Point table of 1811, 3 ms per point, 4000 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) + Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Amygdala → hippocampus, continued (30-min version) | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 8.74 s off, 3 ms points + Point table of 1811, 3 ms per point, 4000 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) + Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and fire one at a time counter-clockwise seen from above (back-to-front over the right side), 10, 12 … 20 ms per coil (Murphy's lecture example; Shiva's own step table is unpublished). Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version (a 60-min Shiva version also exists). Both signal files are proprietary: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 → 30 Hz), 230 points × 3 ms (0.69 s, the published burst-firing length at the vendor's standard 3-ms points); the hippocampal 'LTP' file by a train of 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), at 3-ms points; these are the same stand-ins as in the Shiva amygdala and hippocampus simple sessions. One cycle is amygdala 0.69 s, silence 4 s, hippocampus 0.74 s, silence 4 s (9.4 s), following the about 4-s latencies Murphy gives for the two signals in sequence (stated for Murphy's Shakti feelgood sessions). Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Begin with shorter sessions; not for people with epilepsy; stop at once if distressed. Murphy reports headaches in about 2% of users of an earlier version of the technology, mostly with hippocampal signals, and advises lowering the intensity by a third.
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shiva demo: Amygdala and hippocampus signals in sequence; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Mood enhancement / feelgood (8 Coil Shakti; two signals 'one after the other' with a four-second latency); Murphy, Shakti demo: Random Theta Band output (LTP spectral peak 5.4 Hz); Murphy, Shiva demo: Consumer information; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Shiva demo: Session lengths; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva amygdala signal (fast, 3x)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-amygdala-simple-fast, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva amygdala session with the signal played three times faster; Murphy says the fast version gives 'fewer phenomenal effects' than the normal speed. The vendor presents the amygdala signal for emotional effects.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Shiva offers 20, 30 and 60-min versions; start with the short one.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break. 60-min sessions weekly or every two weeks at most.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala signal 3x, CCW 10-20 ms (20-min version) | 20 | Accelerating burst 18 → 90 Hz, 0.23 s on, 1.33 s off, 1 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Amygdala signal 3x, continued (30-min version) | 10 | Accelerating burst 18 → 90 Hz, 0.23 s on, 1.33 s off, 1 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and step counter-clockwise seen from above, with Murphy's lecture example of 10, 12 ... 20 ms per coil (about 8 rotations a second; Murphy writes 'around 9 times per second'). Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version (a 60-min Shiva version also exists). The amygdala ('burstx') file is proprietary and approximated by the built-in accelerating burst; the normal version's 230 points x 3 ms (6 to 30 Hz) and 4-s latency are compressed three times here: 1-ms points, a 230-ms burst sweeping 18 to 90 Hz, every 1.56 s. Murphy's Shakti 'high-speed' signals likewise use 1-ms points and drop the latency; whether Shiva's fast version shortens or drops it is not published, so it is shortened 3x with the rest of the signal. Murphy suggests moving between temporal and frontal presentations over a series to keep frontal and temporal activity balanced, and trying a frontal session if a session feels good but you feel down afterwards. Persinger-lab studies reported that three weekly bilateral burst-firing sessions increased aggression and lowered trust (Gillis 1993) and that 20 min of burst-firing over the right temporoparietal lobe raised hypnotic suggestibility (Healey 1996). An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Not for people with epilepsy; stop if distressed.
Aims at: left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, Shiva demo: Amygdala signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Psychic Skills & Miracles lecture; Murphy, Shiva demo: Session lengths; Murphy, Shiva demo: Staying safe with Shiva; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Gendle & McGrath 2012, Percept Mot Skills 114:217; Granqvist et al. 2005, Neurosci Lett 379:1
Shiva amygdala signal (normal speed)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-amygdala-simple-normal, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva session: the amygdala burst-firing signal stepped counter-clockwise around the head at the speed Murphy says 'was found to be the most effective in earlier lab studies'. The vendor presents it for emotional effects.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Shiva offers 20, 30 and 60-min versions; start with the short one.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break. 60-min sessions weekly or every two weeks at most.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala signal, CCW 10-20 ms (20-min version) | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Amygdala signal, continued (30-min version) | 10 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and step counter-clockwise seen from above, with Murphy's lecture example of 10, 12 ... 20 ms per coil (about 8 rotations a second; Murphy writes 'around 9 times per second'). Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version (a 60-min Shiva version also exists). The amygdala ('burstx') file is proprietary and approximated by the built-in accelerating burst (6 to 30 Hz) of 230 points x 3 ms followed by the standard 4-s latency (Murphy: standard signals use 3-ms points and a latency of about 4 s; the 230-point length is from Ryczko & Persinger 2002). Murphy suggests moving between temporal and frontal presentations over a series to keep frontal and temporal activity balanced, and trying a frontal session if a session feels good but you feel down afterwards. Persinger-lab studies reported that three weekly bilateral burst-firing sessions increased aggression and lowered trust (Gillis 1993) and that 20 min of burst-firing over the right temporoparietal lobe raised hypnotic suggestibility (Healey 1996). An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Not for people with epilepsy; stop if distressed.
Aims at: left-amygdala, right-amygdala (field on the brain)
Sources:Murphy, Shiva demo: Amygdala signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Psychic Skills & Miracles lecture; Murphy, Shiva demo: Session lengths; Murphy, Shiva demo: Staying safe with Shiva; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Gillis & Persinger 1993, Percept Mot Skills 76:168; Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Gendle & McGrath 2012, Percept Mot Skills 114:217; Granqvist et al. 2005, Neurosci Lett 379:1
Shiva Consciousness (modulated 40 Hz 'binding factor')Anecdote: Personal reports only30 min, 1.0 µT
murphy-shiva-consciousness-mod40, layout: custom, Pattern credited by the vendor to Dr. M.A. Persinger; Shiva software by Todd Murphy
Murphy's simple Shiva 'Consciousness' session: a modulated 40 Hz signal stepped counter-clockwise around the head at almost, but not exactly, the speed of the brain's front-to-back 40 Hz 'binding factor'. Murphy writes that reports emphasise bliss and joy, and testimonials on the vendor's site mention colours seeming brighter the next day and dream effects.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Murphy suggests the 60-min version in sensory deprivation (darkness and silence) for effects during the session.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break. 60-min sessions weekly or every two weeks at most.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz, CCW 23/27 ms (20-min version) | 20 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Rotating counter-clockwise around all coils, 23 → 27 ms per coil (+4 ms steps) |
| 2 | Modulated 40 Hz, continued (30-min version) | 10 | 40 Hz phase-modulated at 0.5 Hz (depth 3 rad), 1 ms points | Rotating counter-clockwise around all coils, 23 → 27 ms per coil (+4 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and step counter-clockwise seen from above. Phase 1 (20 min) is the 20-min version: stop after it, or let phase 2 run for the 30-min version (a 60-min Shiva version also exists). The Shiva signal file is proprietary; it is approximated by the built-in phase-modulated sine, a 40 Hz carrier drifting between about 38.5 and 41.5 Hz every 2 s, so it stays close to 40 Hz without locking to it ('almost in sync with the brain's own binding factor, but not quite'). Murphy says the rotation speed is set 'at almost the same frequency the binding factor sweeps through the brain' but publishes no step times. His technical page quotes Persinger that speeds around 6 Hz 'would involve increments of 20 to 25 milliseconds' and says Shiva's timings avoid the binding factor's exact (25-ms) speed, so each coil is held alternately 23 and 27 ms here (average 25 ms, 200 ms per rotation); this is an inference, not a Murphy specification, and a whole rotation near 25 ms (about 3 ms per coil) would be another reading. The vendor calibrates its Shakti version of the modulated 40 Hz signal at 10 mG (1 µT), the default here. All reported effects are testimonials, and independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Begin with the shorter version; not for people with epilepsy; stop if distressed.
Aims at: vmpfc, left-temporal-pole, right-temporal-pole, left-tpj, right-tpj, primary-visual-cortex (field on the brain)
Sources:Murphy, Shiva demo: Modulated 40 Hz signal; Murphy, Shiva neural stimulation notes ('Consciousness Signal'); Shiva main page (testimonials); Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Shakti demo: Modulated 40 Hz (obe45) signal; Murphy, Shiva demo: Session lengths; Murphy, Shiva demo: Staying safe with Shiva; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva ERP (event-related potential) signalClaim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shiva-erp-septum-chirp-erp, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva ERP session: an event-related-potential-shaped pulse stepped counter-clockwise around the head. Murphy expects 'general cortical effects', likely with more right-hemisphere response, and says the signal 'should be considered as untested'.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | ERP signal (project construct), CCW 10-20 ms | 20 | Point table of 600, 1 ms per point, 900 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and fire one at a time counter-clockwise seen from above (back-to-front over the right side), 10, 12 … 20 ms per coil (Murphy's lecture example; Shiva's own step table is unpublished). Murphy's ERP file is proprietary and undescribed; this file uses the project's ERP construct (textbook P50, N100, P200, N200 and P300 components after Luck 2014: a 0.6-s pulse every 1.5 s, 1-ms points), not the Shiva file. Counter-clockwise rotation raised right-hemisphere EEG power in a Persinger-lab study (Booth 2008, single-lab), which may be why Murphy expects more right-hemisphere response; that link is the project's inference. Shiva offers 20, 30 and 60-min versions; this file runs 20. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Untested signal: stop if it is unpleasant; not for people with epilepsy.
Sources:Murphy, Shiva demo: ERP signal; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426; Murphy, Shiva demo: Session lengths; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva hippocampus signal (fast, 3x)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-hippocampus-simple-fast, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva hippocampus session with the 'LTP' theta-burst signal played three times faster, stepped counter-clockwise around the head. The vendor presents the hippocampal signal for cognitive, non-verbal, imagery and intuition effects.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Shiva offers 20, 30 and 60-min versions; start with the short one.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break. 60-min sessions weekly or every two weeks at most.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal theta bursts 3x, CCW 10-20 ms (20-min version) | 20 | Point table of 248, 1 ms per point, 1333 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Hippocampal theta bursts 3x, continued (30-min version) | 10 | Point table of 248, 1 ms per point, 1333 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and step counter-clockwise seen from above, with Murphy's lecture example of 10, 12 ... 20 ms per coil (about 8 rotations a second; Murphy writes 'around 9 times per second'). Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version (a 60-min Shiva version also exists). The Shiva LTP file is proprietary. The normal-speed approximation (trains of 4 theta bursts of 4 biphasic pulses at 3-ms points, bursts every 186 ms = 5.4 Hz, the vendor's reported LTP spectral peak, then 4 s of silence) is played here at 1-ms points, three times faster: pulses 3 ms apart, bursts every 62 ms (16 Hz), a 248-ms train every 1.58 s. Murphy's Shakti 'high-speed' signals likewise use 1-ms points and drop the latency; whether Shiva's fast version shortens or drops it is not published, so it is shortened 3x with the rest of the signal. Murphy's cautions: word-finding problems or feeling 'spaced out' mean switch to another signal; about 2% get headaches or pressure, in which case lower the intensity by one-third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if distressed.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shiva demo: Hippocampus signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shakti demo: Random theta band output (LTP spectral peak); Murphy, Shiva demo: Consumer information; Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Psychic Skills & Miracles lecture; Murphy, Shiva demo: Session lengths; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva hippocampus signal (normal speed)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
murphy-shiva-hippocampus-simple-normal, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva session: the hippocampal 'LTP' theta-burst signal stepped counter-clockwise around the head at normal speed. The vendor presents it for cognitive, non-verbal, imagery and intuition effects.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep. Shiva offers 20, 30 and 60-min versions; start with the short one.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break. 60-min sessions weekly or every two weeks at most.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Hippocampal theta bursts, CCW 10-20 ms (20-min version) | 20 | Point table of 248, 3 ms per point, 4000 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
| 2 | Hippocampal theta bursts, continued (30-min version) | 10 | Point table of 248, 3 ms per point, 4000 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and step counter-clockwise seen from above, with Murphy's lecture example of 10, 12 ... 20 ms per coil (about 8 rotations a second; Murphy writes 'around 9 times per second'). Phase 1 (20 min) is the 20-min version; phase 2 makes it the 30-min version (a 60-min Shiva version also exists). The Shiva LTP file is proprietary. It is approximated by a point table in Murphy's standard scheme (3-ms points, about 4 s of latency): a train of 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), then 4 s of silence, so the trains fill about 9.4 s of each minute (the vendor gives 'approximately 9.6 seconds exposure' per minute). Shiva also has a 'slow' version, found by accident in 1998 and not used in formal studies; its parameters are unpublished, so it is not included. Persinger, Richards & Koren 1994 used 1 µT LTP-pattern fields for 20 min. Murphy's cautions: word-finding problems or feeling 'spaced out' mean switch to another signal; about 2% get headaches or pressure, in which case lower the intensity by one-third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop if distressed.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shiva demo: Hippocampus signal; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Shakti demo: Formal discussion; Murphy, Shakti demo: Random theta band output (LTP spectral peak); Murphy, Shiva demo: Consumer information; Murphy, Shiva / Octopus and the 40 Hz binding factor; Murphy, Psychic Skills & Miracles lecture; Murphy, Shiva demo: Session lengths; Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shiva modulated 40 Hz chirp (alone)Claim: Claimed by the author, lab or vendor; no controlled independent test20 min, 1.0 µT
murphy-shiva-erp-septum-chirp-chirp, layout: custom, Shiva software by Todd Murphy (signal templates licensed from Persinger and Koren)
Murphy's simple Shiva chirp session: the 'modulated 40 Hz chirp' stepped counter-clockwise around the head, which Murphy presents for altered states. He advises using it within sessions with several phases, and not by itself until you have used Shiva in other ways.
Setting: Dark, quiet room, eyes closed, relaxed without meditating or falling asleep.
Schedule: At most once a week, never on consecutive days; up to 6 sessions, then a 21-day break.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Modulated 40 Hz chirp (gap-modulated construct), CCW 10-20 ms | 20 | Point table of 2482, 1 ms per point, 1518 ms pause | Rotating counter-clockwise around all coils, 10 → 20 ms per coil (+2 ms steps) |
Coils sit on Murphy's Shiva ring (Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2; one coil per site instead of Shiva's coil pairs) and fire one at a time counter-clockwise seen from above (back-to-front over the right side), 10, 12 … 20 ms per coil (Murphy's lecture example; Shiva's own step table is unpublished). The 'modulated 40 Hz chirp' file is proprietary. Murphy says the Shiva chirp 'does not change in tone, but rather has longer and longer gaps between sections of the signal', and his Shakti chirp page says it starts from the modulated 40 Hz signal, with the frequency modulation applied to the gaps and a Fibonacci constant varying both the amplitude and the gap lengths. This file is a project construct after that description, not the Shiva file: twelve 125-ms sections of the project's modulated 40 Hz stand-in (40 Hz carrier, 0.5 Hz phase modulation, depth 3; 1-ms points), alternating between full and 0.618 amplitude, separated by gaps that grow along the Fibonacci series (3, 5, 8 … 377 ms), then 1.5 s of silence, so the pattern repeats every 4 s like the lab's frequency-modulated pattern, to which Murphy relates the chirp (Dixon & Persinger 2001; Tiller & Persinger 2002). The real section lengths, gap series and amplitudes are unpublished. Shiva's simple sessions usually come in 20, 30 and 60-min versions; this file runs 20. Murphy warns that the chirp 'can be very unpleasant over the right side' (Shakti chirp page). Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Stop at once on fear or distress; not for people with epilepsy.
Sources:Murphy, Shiva demo: Chirp signal; Murphy, Shakti demo: Modulated 40 Hz chirp signal; Murphy, Shiva demo: Sessions used in lab experiments (Shiva chirp description); Dixon & Persinger 2001, Int J Neurosci 108:87; Tiller & Persinger 2002, Percept Mot Skills 94:26; Murphy, Shiva demo: Magnetic coil locations; Murphy, Psychic Skills & Miracles lecture (coil steps of 10, 12 ... 20 ms); Murphy, Shiva demo: Session lengths; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Courses 1
Frontal session (Feelgood one-phase / lucid-dream step 2)Claim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
frontal, layout: custom, Todd Murphy (8 Coil Shakti one-phase Feelgood session and lucid-dream series); signal templates licensed from Persinger & Koren
Murphy's frontal session: the amygdala and hippocampal signals one after the other, with 4-s pauses, over both frontal lobes for 30 min. Murphy calls the one-phase frontal session his most effective Feelgood (mood) session, and uses it as the sixth session of his lucid-dream series, after five temporal sessions (meditation-prep).
Setting: Evening, seated or reclined; no darkness or silence needed. For dream work, end the session 1-1.5 h before sleep.
Schedule: Mood: six sessions, weekly or every 72 h (never more often), then a 3-week break; if a series is interrupted, wait 3 days and restart. Lucid dreams: five weekly temporal sessions (meditation-prep), then this one on the target night.
Coils: CH5 Fp1, CH6 AF3, CH7 Fp2, CH8 AF4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Frontal: amygdala, then hippocampus | 30 | Point table of 5285, 1 ms per point, 4000 ms pause | All coils together |
Four coils over the frontal lobes, two over each eye (Fp1, AF3 and Fp2, AF4 on CH5-8, so the same 8-coil set-up runs meditation-prep on CH1-4); the vendor shows only photos, so the site names are an inference. The signals are proprietary. One pass here is: the amygdala signal, approximated by the built-in accelerating burst (6 to 30 Hz, 230 points of 3 ms = 0.69 s; the 230-point length is from Ryczko & Persinger 2002); 4 s of silence (the vendor: the two signals are "generated one after the other ... with a four-second latency"); the hippocampal 'LTP' signal, approximated by four theta bursts of four 100 Hz pulses (Larson & Lynch timing) repeated at 5.4 Hz, the spectral peak the vendor reports for it (0.6 s, with 1-ms points instead of the vendor's 3-ms points so the 100 Hz pulses fit); then 4 s of silence again. That gives about 8 s of field per minute (the vendor states 9.6 s). The vendor gives 20 or 30 min for the one-phase Feelgood session (stop at 20 min for the shorter one) and 30 min for the frontal session of the lucid-dream series. Murphy says "you should begin with the one-phase feelgood session"; his two-phase Feelgood plays the same signal over the temporal lobes first and then the frontal lobes in one session. For lucid dreams he describes five weekly temporal sessions and then one frontal session, calls the temporal sessions "probably ... a prerequisite", and reports cases of lucid dreams "that very night"; such reports are few. The vendor states that mood effects often show the next morning and last 3-4 days, and that the session works "like aspirin", with little effect if you already feel good. The design rests on small single-lab Persinger studies of weekly burst-firing fields and mood (Baker-Price & Persinger 2003, temporal or left-frontal placement). An independent randomized sham-controlled test of the 8 Coil Shakti amygdala signal over the temporal lobes found no effect on emotional responses (Gendle & McGrath 2012; Murphy argues it used the wrong session), and a double-blind God Helmet test found no field effect (Granqvist 2005). Not a treatment, and not for people with a psychiatric diagnosis or medication, epilepsy or migraine. You may feel "a bit foggy" right after; too many frontal or temporal series in a row can bring "malaise", so alternate them.
Aims at: vmpfc, left-dlpfc, right-dlpfc (field on the brain)
Sources:Murphy, Mood enhancement and the 8 Coil Shakti; Murphy, The Feelgood session for the 8 Coil Shakti; Murphy, Shakti demo: Feelgood consent (schedule); Murphy, Lucid dreaming and the 8 Coil Shakti; Murphy, Shakti demo: Dreaming; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals?; Murphy, Deja vu lecture [2]; Ryczko & Persinger 2002, Percept Mot Skills 95:592; Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Gendle & McGrath 2012, Percept Mot Skills 114:217; Granqvist et al. 2005, Neurosci Lett 379:1
Clinical low-field timing 16
40 Hz gamma, magnetic sine (GENUS timing)Unverified: A construct nobody has tested yet60 min, 5.0 µT
lowfield-gamma-40hz-sine, layout: custom, Rhythm from the Tsai lab's GENUS light and sound flicker (MIT Picower Institute; Cognito Therapeutics trials); the magnetic version is a project construct
A 40 Hz sine field (50 points per cycle) on all eight ring coils in phase for 1 h, the smooth alternative to the square version of this GENUS-inspired program. GENUS is light and sound flicker; a magnetic 40 Hz field is not GENUS and has no evidence.
Setting: Seated and relaxed, eyes open or closed, in a quiet room.
Schedule: The GENUS studies used 1 h a day (Chan et al. 2022: daily for 3 months). No schedule has been tested for a magnetic 40 Hz field.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 40 Hz sine, all coils in phase | 60 | 40 Hz sine, 0.5 ms points | All coils together |
GENUS (gamma entrainment using sensory stimuli) is an LED flickering 12.5 ms on / 12.5 ms off at 40 Hz (Iaccarino 2016) and, in Martorell 2019, also a 1-ms 10 kHz tone every 25 ms aligned to the light onset, 1 h a day. The research protocol offers a 40 Hz sine with 50 points per cycle (0.5 ms each) as an alternative to the on/off square (lowfield-gamma-40hz-square); both run on the full ring with all coils in phase. The optional LED and audio channel needs new hardware (a GPIO-driven LED and I2S audio on the ESP32) and is left out, so the part of GENUS that has data is missing here. The sensory results are themselves contested: Soula 2023 found no gamma entrainment or amyloid change from 40 Hz light in mice, the human data are small trials (e.g. Chan 2022), and a meta-analysis (Ang 2025) found no established cognitive benefit. This program is not a treatment for Alzheimer's disease or any other condition. The research sets 5 uT, the top of the app's range; the app caps it at the coils' calibrated maximum (about 3-6 uT at 20 mm). If you add 40 Hz light flicker from another device, screen for photosensitive epilepsy first and offer a sound-only mode; the same meta-analysis raised a tinnitus signal for the sound. Not for people with epilepsy; stop on headache or distress.
Aims at: primary-visual-cortex, left-primary-auditory-cortex, left-hippocampus-body, right-hippocampus-body (field on the brain)
Sources:Iaccarino et al. 2016, Nature 540:230; Martorell et al. 2019, Cell 177:256; Soula et al. 2023, Nat Neurosci; Chan et al. 2022, PLoS One; Ang et al. 2025, meta-analysis
40 Hz gamma, magnetic square (GENUS timing)Unverified: A construct nobody has tested yet60 min, 5.0 µT
lowfield-gamma-40hz-square, layout: custom, Timing from the Tsai lab's GENUS light and sound flicker (MIT Picower Institute; Cognito Therapeutics trials); the magnetic version is a project construct
A 40 Hz on/off square field (12.5 ms on, 12.5 ms off) on all eight ring coils in phase for 1 h, copying the timing of the Tsai lab's GENUS light flicker. GENUS is sensory stimulation; a magnetic 40 Hz field is not GENUS and has no evidence.
Setting: Seated and relaxed, eyes open or closed, in a quiet room.
Schedule: The GENUS studies used 1 h a day (Chan et al. 2022: daily for 3 months). No schedule has been tested for a magnetic 40 Hz field.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 40 Hz square, all coils in phase | 60 | 12.5 ms pulses, 12.5 ms gaps | All coils together |
GENUS (gamma entrainment using sensory stimuli) is an LED flickering 12.5 ms on / 12.5 ms off at 40 Hz (Iaccarino 2016) and, in Martorell 2019, also a 1-ms 10 kHz tone every 25 ms aligned to the light onset, 1 h a day. This program copies only that timing, as a unipolar magnetic square wave on the full ring with all coils in phase. The research protocol's optional LED and audio channel needs new hardware (a GPIO-driven LED and I2S audio on the ESP32) and is left out, so the part of GENUS that has data is missing here. The sensory results are themselves contested: Soula 2023 found no gamma entrainment or amyloid change from 40 Hz light in mice, the human data are small trials (e.g. Chan 2022), and a meta-analysis (Ang 2025) found no established cognitive benefit. This program is not a treatment for Alzheimer's disease or any other condition. For a bipolar square use the square40 table generator; a smooth version is lowfield-gamma-40hz-sine. The research sets 5 uT, the top of the app's range; the app caps it at the coils' calibrated maximum (about 3-6 uT at 20 mm). If you add 40 Hz light flicker from another device, screen for photosensitive epilepsy first and offer a sound-only mode; the same meta-analysis raised a tinnitus signal for the sound. Not for people with epilepsy; stop on headache or distress.
Aims at: primary-visual-cortex, left-primary-auditory-cortex, left-hippocampus-body, right-hippocampus-body (field on the brain)
Sources:Iaccarino et al. 2016, Nature 540:230; Martorell et al. 2019, Cell 177:256; Soula et al. 2023, Nat Neurosci; Chan et al. 2022, PLoS One; Ang et al. 2025, meta-analysis
50 Hz head exposure, part 1 of 2 (Ghione 2005)Single lab: Published by one lab or group, not independently replicated45 min, 5.0 µT
lowfield-ghione-50hz-part-1, layout: custom, Ghione, Del Seppia et al. (CNR Pisa), 2005
First half of the 90-min double-blind 50 Hz head exposure in which Ghione et al. 2005 reported nearly doubled EEG alpha at 80 uT and a lower pain threshold at 40 uT. All eight ring coils run a 50 Hz sine in phase; run part 2 straight after.
Setting: Seated, as in the study. Ghione measured EEG alpha after the exposure.
Schedule: One 90-min exposure: part 1, then part 2 without a break.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 50 Hz sine, whole head (minutes 0-45) | 45 | 50 Hz sine, 0.5 ms points | All coils together |
Ghione's 40 healthy men were exposed for 90 min to a 50 Hz field at 40 or 80 uT, randomised and double-blind against sham, with EEG alpha measured afterwards; the authors report that alpha almost doubled at 80 uT and the pain threshold fell at 40 uT. The coil geometry is not given in the abstract, so all eight ring coils in phase stand in for a whole-head field. The helmet is limited to 5 uT at 20 mm from each coil, 8-16 times below the original 40-80 uT and further below it deeper in the head, so this copies the frequency and timing only. The 90 min exceed the 60-min program limit and are split into two 45-min parts with short fades; start part 2 straight after part 1. The finding is single-lab: Legros 2012 found no EEG effect after 1 h at 60 Hz and 1800 uT (balance and tremor changed), and mains-frequency pickup makes 50 Hz EEG studies especially prone to artefacts. Avoid if you have epilepsy (WHO notes greater susceptibility to induced fields, although the field here is tiny); stop on discomfort. The app's Blind option draws real or sham anew for each run, so it can mix them across the two parts; for a blinded 90-min copy, have a helper secretly choose the arm and run both parts, or the Sham (no field) program twice. If the coils hum audibly, mask the sound in both arms.
Sources:Ghione et al. 2005, Neurosci Lett; Legros et al. 2012, Eur J Appl Physiol; WHO Environmental Health Criteria 238, Extremely low frequency fields (2007)
50 Hz head exposure, part 2 of 2 (Ghione 2005)Single lab: Published by one lab or group, not independently replicated45 min, 5.0 µT
lowfield-ghione-50hz-part-2, layout: custom, Ghione, Del Seppia et al. (CNR Pisa), 2005
Second half of the 90-min 50 Hz head exposure after Ghione et al. 2005: 45 more minutes of a 50 Hz sine on all eight ring coils in phase. Run it straight after part 1.
Setting: Seated, as in the study. Ghione measured EEG alpha after the exposure.
Schedule: One 90-min exposure: part 1, then part 2 without a break.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 50 Hz sine, whole head (minutes 45-90) | 45 | 50 Hz sine, 0.5 ms points | All coils together |
Ghione's 40 healthy men were exposed for 90 min to a 50 Hz field at 40 or 80 uT, randomised and double-blind against sham, with EEG alpha measured afterwards; the authors report that alpha almost doubled at 80 uT and the pain threshold fell at 40 uT. The coil geometry is not given in the abstract, so all eight ring coils in phase stand in for a whole-head field. The helmet is limited to 5 uT at 20 mm from each coil, 8-16 times below the original 40-80 uT and further below it deeper in the head, so this copies the frequency and timing only. The 90 min exceed the 60-min program limit and are split into two 45-min parts with short fades; start part 2 straight after part 1. The finding is single-lab: Legros 2012 found no EEG effect after 1 h at 60 Hz and 1800 uT (balance and tremor changed), and mains-frequency pickup makes 50 Hz EEG studies especially prone to artefacts. Avoid if you have epilepsy (WHO notes greater susceptibility to induced fields, although the field here is tiny); stop on discomfort. The app's Blind option draws real or sham anew for each run, so it can mix them across the two parts; for a blinded 90-min copy, have a helper secretly choose the arm and run both parts, or the Sham (no field) program twice. If the coils hum audibly, mask the sound in both arms.
Sources:Ghione et al. 2005, Neurosci Lett; Legros et al. 2012, Eur J Appl Physiol; WHO Environmental Health Criteria 238, Extremely low frequency fields (2007)
Alpha 10 Hz parieto-occipital sine (tACS target)Unverified: A construct nobody has tested yet20 min, 5.0 µT
lowfield-alpha-10hz-parieto-occipital, layout: custom, Project construct after alpha tACS studies by the Herrmann group (Oldenburg: Zaehle 2010, Kasten 2016) and Helfrich 2014 (Hamburg, with Herrmann)
A 10 Hz magnetic sine for 20 min over P7, Oz and P8, the parieto-occipital cortex where transcranial alternating current stimulation (tACS) studies report alpha entrainment. Those effects come from electric currents; this magnetic version is a project construct that nobody has tested.
Setting: Seated, eyes open or closed as in the study you follow (Kasten 2016: 20 min).
Schedule: A single 20-min session; for a self-test, compare it with sham using the app's Blind option on separate days.
Coils: CH4 P7, CH5 Oz, CH6 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 10 Hz sine, in phase | 20 | 10 Hz sine, 0.5 ms points | All coils together |
The tACS studies drove current through scalp electrodes: Zaehle 2010 stimulated at each person's individual alpha frequency (IAF) via PO9/PO10 and reported higher alpha afterwards (10 active vs 10 sham); Helfrich 2014 used 10 Hz over parieto-occipital cortex and reported phase-dependent detection; Kasten 2016 ran 20 min below the sensation threshold, and the active-sham difference vanished after about 70 min. Transcranial current at 2 mA reaches about 0.8 V/m in cortex (Huang 2017), while these coils induce about 1e-6 V/m, roughly five orders of magnitude less, so no entrainment by induction is expected. The three coils run in phase with equal weight; the channels follow the ring layout (CH4-CH6 at P7, Oz, P8) and the other channels stay silent. O1, O2 or Pz are possible custom alternatives. If you know your IAF (8-13 Hz), set f0 to it. If alpha entrainment is the real goal, the evidence is for electrical tACS, a different device with its own safety requirements and outside this helmet. Not for people with epilepsy; stop on discomfort.
Aims at: primary-visual-cortex (field on the brain)
Sources:Zaehle et al. 2010, PLoS One; Helfrich et al. 2014, Curr Biol; Kasten et al. 2016, Front Hum Neurosci; Huang et al. 2017, eLife (transcranial electric field in humans)
Alpha midline sine at IAF (sTMS timing)Single lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
lowfield-alpha-iaf-midline, layout: custom, NeoSync synchronized TMS (sTMS): Leuchter, Cook et al. (UCLA and a multisite trial); the 3-coil mapping is a project construct
Copies the timing of NeoSync's synchronized TMS (sTMS): a sine at the individual alpha frequency (10 Hz by default) for 30 min over three midline sites, Fpz, Fz and Cz, with neighbouring coils in antiphase. The device's rotating magnets measured about 0.64 T at their surface, some 100,000 times this helmet's 5 uT, so this is a pattern replica, not the tested device.
Setting: Lying face-up, as in the trial (head under the device's treatment arm), in a quiet room. The trial measured the IAF from a brief resting eyes-closed EEG before treatment; without one, keep the 10 Hz default.
Schedule: Trial schedule: one 30-min session a day, 5 days a week for 6 weeks (30 sessions); the device locked out for 10 h after each session.
Coils: CH1 Fpz, CH2 Fz, CH3 Cz
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | IAF sine (10 Hz), Fz in antiphase | 30 | 10 Hz sine, 0.5 ms points + Point table of 200, 0.5 ms per point | All coils together + All coils together |
sTMS spun three diametrically magnetised NdFeB magnets (about 0.64 T, 6,400 G, at the surface) at the person's individual alpha frequency (IAF, 8-13 Hz, from a brief eyes-closed EEG) over the frontopolar region just above the nasion, the frontocentral region (superior frontal gyrus) and the central region; Fpz, Fz and Cz are this project's mapping, and the pilot (Jin & Phillips 2014) calls the third magnet parietal, about 9 cm behind the second, so it may sit a little further back than Cz. Jin & Phillips state that the magnets rotate 180 degrees out of phase with each other; this program reads that as neighbours in antiphase, so Fz plays an inverted copy of the Fpz/Cz sine (a 200-point table locked to the same 10 Hz). A rotating magnet turns its field direction, while each coil only pulses along its own axis, so only the frequency, sites, duration and phase relation are copied. To use your own IAF, take N = 2000 / IAF rounded to a whole number, set f0 of track 1 to 2000 / N Hz and replace the table with N points of round(128 - 127 sin(2 pi i / N)) at 0.5 ms; the inverted copy only stays locked when the table holds a whole number of 0.5-ms points per cycle. At 5 uT the induced electric field is about 1e-6 V/m at 10 Hz, orders of magnitude below fields shown to affect neurons. In the pivotal trial (Leuchter 2015) sTMS did not beat sham in the intent-to-treat analysis (n = 202) and did so only per protocol (n = 120), with NeoSync co-authors; Cook 2019 reports midline alpha changes that tracked improvement on active treatment only. This program is not a treatment for depression or anything else; anyone with depression should see a clinician. Not for people with epilepsy; stop on discomfort.
Aims at: vmpfc, anterior-cingulate-cortex (field on the brain)
Sources:Leuchter et al. 2015, Brain Stimul; NCT03288714 study protocol (device, magnet sites, 30-min sessions, 10-h lockout); Cook et al. 2019, Neuromodulation; Jin & Phillips 2014, sTMS pilot study (magnets rotate 180 degrees out of phase)
BHFS pattern (rodent LI-rTMS timing) at OzSingle lab: Published by one lab or group, not independently replicated10 min, 5.0 µT
lowfield-bhfs-pattern, layout: custom, Rodger lab (UWA, Perth) and Sherrard lab (Sorbonne); pattern from Global Energy Medicine patent PCT/AU2007/000454
Copies the timing of "biomimetic high-frequency stimulation" (BHFS, Grehl et al. 2016) from rodent low-intensity rTMS studies: 62.6-ms trains of 20 pulses repeated at 6.55 Hz for 1 min, 9.75 Hz for 8 min and 6.15 Hz for 1 min, on one coil at Oz. The rodent fields were about 1000-4000 times stronger.
Setting: No human setting is published; all data are from rodents and cell cultures.
Schedule: Rodent protocols ran 10 min a day for 14 days (Dufor 2019) or once a week for 4 weeks (Seewoo 2018). No human schedule has been tested.
Coils: CH5 Oz
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | BHFS trains at 6.55 Hz | 1 | Point table of 125, 0.5 ms per point, 90.17 ms pause | Coil CH5 only |
| 2 | BHFS trains at 9.75 Hz | 8 | Point table of 125, 0.5 ms per point, 40.06 ms pause | Coil CH5 only |
| 3 | BHFS trains at 6.15 Hz | 1 | Point table of 125, 0.5 ms per point, 100.1 ms pause | Coil CH5 only |
Grehl et al. 2016 define BHFS (pattern from patent PCT/AU2007/000454, Global Energy Medicine) as 300-us monophasic pulses, 108,840 per 10-min session, at about 10 mT on target with rise times under 100 us. Dufor et al. 2019 (8-10 mT) and Seewoo et al. 2018 (about 13 mT at cortex) report effects in rodents, while Dufor found 4.5 mT ineffective; Moretti & Rodger 2022 give 1-150 mT for rodent LI-rTMS. All evidence is from rodents and cultures. Dufor 2019 claim a cryptochrome-dependent mechanism (single lab), and Grehl model the induced field at only about 0.05 V/m at 10 mT. This program gives at most 5 uT at 20 mm and copies the timing only; nothing is known about humans at uT, and it is not a treatment. Grehl et al. do not give the spacing of the 20 pulses inside a train; the table spaces them evenly at 3.13 ms (62.6 ms / 20), slightly closer than the about 3.3 ms implied if the last pulse ends at 62.6 ms. Each 300-us pulse becomes one 0.5-ms tick at full scale, and every pulse onset lands within about 0.5 ms of its exact time on the 2-kHz grid; the fast rise of the original cannot be reproduced. The evidence rating refers to the rodent and culture studies, not to this pattern at uT. No human placement exists: the single coil at Oz is an arbitrary probe after the mouse visual-cortex work of Makowiecki et al. 2014, which used a related BHFS-like pattern (59.9-ms trains at 6.67/10.01/6.25 Hz, about 8 mT). There is no fade-in or fade-out, so the three stages keep their exact lengths and pulse counts (393, 4680 and 369 trains). Not for people with epilepsy; stop if you feel unwell.
Aims at: primary-visual-cortex (field on the brain)
Sources:Grehl et al. 2016, Front Neural Circuits (BHFS definition and device); Dufor et al. 2019, Sci Adv; Moretti & Rodger 2022 (LI-rTMS review); Seewoo et al. 2018, Sci Rep (coil and field); Makowiecki et al. 2014, J Neurosci (BHFS-like pattern over mouse visual cortex); Global Energy Medicine, patent PCT/AU2007/000454 (cited by Grehl 2016)
Cnp Thomas pulse (patent table, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 5.0 µT
lowfield-cnp-thomas-pulse, layout: custom, Lawson Health Research Institute / University of Western Ontario (A.W. Thomas, F.S. Prato); patent co-inventors M. Kavaliers and M.A. Persinger
The Lawson Cnp analgesia waveform, the decelerating "Thomas pulse", played exactly from Table 1 of US patent 6,234,953 on all eight temporal coils, in the 4-burst cycle and 40-min session of the Thomas 2007 headset trial. A pattern replica at about 60-100 times less field.
Setting: Seated or reclined in a quiet room (Thomas 2007 compared against identical, silent sham headsets).
Schedule: Thomas 2007: 40 min twice a day, at least 4 h apart, for 7 days. Shupak 2004/2006: one 30-min session.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Cnp burst cycle, both sides | 40 | Point table of 4012, 1 ms per point, 1200 ms pause | All coils together |
The table is the patent's 1-ms point table read column-major, as the patent states: 18 identical 27-ms pulses whose spacing grows from 28 to about 67 ms, so the rate slows from about 36 to 15 pulses per second. Each cycle has four bursts with 110, 220, 330 and 1200 ms refractory pauses, with 838 ms per burst as Camera 2015 state (5212-ms cycle, about 460 cycles in 40 min). An 838-ms burst cuts the patent's last pulse 11 ms before its end; the separate "Thomas pulse" preset keeps it whole (849 ms). The sources do not say which waveform version the Thomas 2007 headset played. All eight temporal coils run in phase, left and right identical, standing in for the bilateral headset worn just above the ears. Thomas 2007 report 400 µT at the headset, ±200 µT at the head surface and ±35 µT deep in the brain; this helmet gives at most about 5 µT at 20 mm and 0.3-0.6 µT deep, about 60-100 times less, so this copies the timing only (Camera 2015 model the rate of change of the field as the stimulus). The authors described Thomas 2007 as essentially a negative study (fibromyalgia subgroup P = 0.06, n = 17); the human Cnp studies are small and single-lab, and the patent lists Persinger as a co-inventor, so this line is not independent of the God Helmet lab. Not a pain treatment: don't change medication or treatment. Not for people with epilepsy; stop on headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:US 6,234,953 B1 (Thomas, Prato, Kavaliers, Persinger), Table 1; Camera et al. 2015 (Cnp timing structure); Thomas et al. 2007, Pain Res Manag; Shupak et al. 2004, Neurosci Lett; Shupak et al. 2006, Pain Res Manag
cTBS pattern (Huang 2005 timing) at C3, motor cortexEstablished: Independently replicated, or consensus1 min, 5.0 µT
lowfield-ctbs-pattern-m1, layout: custom, Huang & Rothwell (UCL) 2005
Copies continuous theta-burst timing (Huang et al. 2005): pulse triplets at 50 Hz repeated at 5 Hz without a pause for 40 s, 200 bursts and 600 pulses, on one coil at C3 over the left motor cortex, where theta-burst stimulation was first tested. At uT strength this is a timing pattern only.
Setting: Seated, awake; a single 40-s block.
Schedule: One block per sitting; no schedule has been tested at uT.
Coils: CH1 C3
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | cTBS block (200 bursts, 600 pulses) | 0.67 | Point table of 400, 0.5 ms per point | Coil CH1 only |
Suppa et al. 2008 define cTBS as one 40-s train of 3-pulse 50 Hz bursts repeated at 5 Hz (200 bursts, 600 pulses) at 80% of active motor threshold; at TMS strength Huang et al. 2005 reported an inhibitory after-effect on the motor cortex. TMS induces roughly 10^5 times this helmet's electric field, and in rodent low-intensity rTMS at mT strength Dufor et al. 2019 found cTBS ineffective. There are no data at uT, so do not expect or claim inhibition: the evidence rating applies to cTBS at TMS strength, not to this pattern. At TMS strength, prolonged (doubled) cTBS has been reported to reverse the direction of the effect. The timing is exact; each TMS pulse becomes +A for 0.5 ms then -A for 0.5 ms, since shorter shapes cannot be resolved at 2 kHz. Huang 2005 tested TBS over the motor cortex; C3 is the usual scalp position over the left motor-cortex hand area (use C4 for the right side). The DLPFC version is lowfield-ctbs-pattern. There is no fade-in or fade-out, so all 200 bursts run at full strength. It is not a treatment. Not for people with epilepsy; stop if you feel unwell.
Sources:Huang et al. 2005, Neuron; Suppa et al. 2008, J Physiol (iTBS and cTBS definitions); Dufor et al. 2019, Sci Adv (rodent low-intensity rTMS)
cTBS pattern (Huang 2005 timing) at F4Established: Independently replicated, or consensus1 min, 5.0 µT
lowfield-ctbs-pattern, layout: custom, Huang & Rothwell (UCL) 2005
Copies continuous theta-burst timing (Huang et al. 2005): pulse triplets at 50 Hz repeated at 5 Hz without a pause for 40 s, 200 bursts and 600 pulses, on one coil at F4 over the right DLPFC (an example site). At uT strength this is a timing pattern only.
Setting: Seated, awake; a single 40-s block.
Schedule: One block per sitting; no schedule has been tested at uT.
Coils: CH5 F4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | cTBS block (200 bursts, 600 pulses) | 0.67 | Point table of 400, 0.5 ms per point | Coil CH5 only |
Suppa et al. 2008 define cTBS as one 40-s train of 3-pulse 50 Hz bursts repeated at 5 Hz (200 bursts, 600 pulses) at 80% of active motor threshold; at TMS strength Huang et al. 2005 reported an inhibitory after-effect on the motor cortex. TMS induces roughly 10^5 times this helmet's electric field, and in rodent low-intensity rTMS at mT strength Dufor et al. 2019 found cTBS ineffective. There are no data at uT, so do not expect or claim inhibition: the evidence rating applies to cTBS at TMS strength, not to this pattern. At TMS strength, prolonged (doubled) cTBS has been reported to reverse the direction of the effect. The timing is exact; each TMS pulse becomes +A for 0.5 ms then -A for 0.5 ms, since shorter shapes cannot be resolved at 2 kHz. cTBS has been used over motor cortex and other cortex, so the site is a user choice; F4 (right DLPFC) is one example site, and the variant lowfield-ctbs-pattern-m1 uses C3 over the motor cortex. There is no fade-in or fade-out, so all 200 bursts run at full strength. It is not a treatment. Not for people with epilepsy; stop if you feel unwell.
Aims at: right-dlpfc (field on the brain)
Sources:Huang et al. 2005, Neuron; Suppa et al. 2008, J Physiol (iTBS and cTBS definitions); Dufor et al. 2019, Sci Adv (rodent low-intensity rTMS)
iTBS pattern (Huang 2005 timing) at F3Established: Independently replicated, or consensus3 min, 5.0 µT
lowfield-itbs-pattern, layout: custom, Huang & Rothwell (UCL) 2005; clinical iTBS (THREE-D, Toronto/Vancouver; SNT, Stanford)
Copies intermittent theta-burst timing (Huang et al. 2005): pulse triplets at 50 Hz repeated at 5 Hz in 2-s trains every 10 s, 20 trains and 600 pulses, on one coil at F3 over the left DLPFC, the clinical iTBS target. At uT strength this is a rhythm pattern, not theta-burst stimulation.
Setting: Seated, awake.
Schedule: One 192-s block (600 pulses) per sitting. Do not copy accelerated clinical schedules; nothing is known at uT.
Coils: CH1 F3
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | iTBS block (20 trains, 600 pulses) | 3.2 | Point table of 4000, 0.5 ms per point, 8000 ms pause | Coil CH1 only |
Suppa et al. 2008 define iTBS as 3 pulses at 50 Hz repeated at 5 Hz, 20 trains of 2 s every 10 s (600 pulses, usually quoted as 190 s; strictly 192 s), at 80% of active motor threshold. At TMS strength iTBS is an established depression treatment (THREE-D, Blumberger et al. 2018, 414 patients: non-inferior to 10 Hz rTMS). TMS induces about 100 V/m in cortex, roughly 10^5 times this helmet's induced field, and rodent low-intensity iTBS effects were at mT strength (Tang 2016; Dufor 2019). Nothing is known at uT: the evidence rating applies to iTBS at TMS strength, not to this pattern, which copies the timing only and is not a treatment. The timing is exact; each TMS pulse (about 300-us biphasic) becomes +A for 0.5 ms then -A for 0.5 ms, since shorter shapes cannot be resolved at 2 kHz. F3 is the skull-landmark site for the left DLPFC; Fox et al. 2012 found skull-landmark sites (F3, the 5-cm rule) the least anticorrelated with the subgenual cingulate, and list the Fitzgerald 2009 TMS target at MNI (-46,45,38) and the average 5-cm site at (-41,16,54). The variant lowfield-itbs-pattern-cluster adds AF3 and F5 at half strength. There is no fade-in or fade-out, so all 20 trains run at full strength. Do not copy accelerated schedules (SNT: 1800 pulses per session, 10 sessions a day at 50-min intervals); there is no evidence for them at uT. Not for people with epilepsy; stop if you feel unwell.
Aims at: left-dlpfc (field on the brain)
Sources:Huang et al. 2005, Neuron; Suppa et al. 2008, J Physiol (iTBS and cTBS definitions); Blumberger et al. 2018, Lancet (THREE-D); Fox et al. 2012 (left DLPFC targets); Cole et al. 2022, Am J Psychiatry (SNT); Tang et al. 2016, Neuroscience (low-intensity iTBS in vitro); Dufor et al. 2019, Sci Adv (rodent low-intensity rTMS)
iTBS pattern (Huang 2005 timing) at F3 with AF3/F5Established: Independently replicated, or consensus3 min, 5.0 µT
lowfield-itbs-pattern-cluster, layout: custom, Huang & Rothwell (UCL) 2005; clinical iTBS (THREE-D, Toronto/Vancouver; SNT, Stanford)
Copies intermittent theta-burst timing (Huang et al. 2005): pulse triplets at 50 Hz repeated at 5 Hz in 2-s trains every 10 s, 20 trains and 600 pulses, on F3 over the left DLPFC with the neighbouring coils AF3 and F5 at half strength. At uT strength this is a rhythm pattern, not theta-burst stimulation.
Setting: Seated, awake.
Schedule: One 192-s block (600 pulses) per sitting. Do not copy accelerated clinical schedules; nothing is known at uT.
Coils: CH1 AF3, CH2 F3, CH3 F5
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | iTBS block (20 trains, 600 pulses) | 3.2 | Point table of 4000, 0.5 ms per point, 8000 ms pause | All coils together, weighted |
Suppa et al. 2008 define iTBS as 3 pulses at 50 Hz repeated at 5 Hz, 20 trains of 2 s every 10 s (600 pulses, usually quoted as 190 s; strictly 192 s), at 80% of active motor threshold. At TMS strength iTBS is an established depression treatment (THREE-D, Blumberger et al. 2018, 414 patients: non-inferior to 10 Hz rTMS). TMS induces about 100 V/m in cortex, roughly 10^5 times this helmet's induced field, and rodent low-intensity iTBS effects were at mT strength (Tang 2016; Dufor 2019). Nothing is known at uT: the evidence rating applies to iTBS at TMS strength, not to this pattern, which copies the timing only and is not a treatment. The timing is exact; each TMS pulse (about 300-us biphasic) becomes +A for 0.5 ms then -A for 0.5 ms, since shorter shapes cannot be resolved at 2 kHz. F3 carries the full level and AF3 and F5 run the same pulses in phase at 0.5 (an optional wider cluster) to cover more of the left DLPFC; Fox et al. 2012 found skull-landmark sites (F3, the 5-cm rule) the least anticorrelated with the subgenual cingulate, and list the Fitzgerald 2009 TMS target at MNI (-46,45,38) and the average 5-cm site at (-41,16,54). The single-coil version is lowfield-itbs-pattern. There is no fade-in or fade-out, so all 20 trains run at full strength. Do not copy accelerated schedules (SNT: 1800 pulses per session, 10 sessions a day at 50-min intervals); there is no evidence for them at uT. Not for people with epilepsy; stop if you feel unwell.
Aims at: left-dlpfc (field on the brain)
Sources:Huang et al. 2005, Neuron; Suppa et al. 2008, J Physiol (iTBS and cTBS definitions); Blumberger et al. 2018, Lancet (THREE-D); Fox et al. 2012 (left DLPFC targets); Cole et al. 2022, Am J Psychiatry (SNT); Tang et al. 2016, Neuroscience (low-intensity iTBS in vitro); Dufor et al. 2019, Sci Adv (rodent low-intensity rTMS)
LFMS pattern (500 Hz trains, McLean timing)Single lab: Published by one lab or group, not independently replicated20 min, 5.0 µT
lowfield-lfms-pattern, layout: custom, McLean Hospital / Harvard Medical School (Rohan, Cohen); multisite trial led by Massachusetts General Hospital (Fava)
The timing of low-field magnetic stimulation (LFMS), tested at McLean Hospital for rapid mood effects in depression: 500 Hz alternating pulses in 0.5-s trains every 2 s for 20 min, on all eight ring coils in phase. A pattern replica at about a thousandth of the original field, not a copy of the treatment.
Setting: Lie flat or reclined with eyes closed in a quiet room (in the trials people lay supine with the top of the head, up to the eyebrows, inside the coil).
Schedule: Original schedules: one 20-min session (Rohan 2014); three sessions 48 h apart (Dubin 2019); 20 min a day on 4 consecutive days (Fava 2018); twice daily for 2 weeks at home (Wu 2026).
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LFMS trains, all coils | 20 | Point table of 1000, 0.5 ms per point, 1500 ms pause | All coils together |
Fava 2018 describe the LFMS waveform as 1-ms trapezoids of alternating polarity with 256-µs ramps (500 Hz peak to peak), in 0.5-s trains every 2 s for 20 min; here each half-wave is two 0.5-ms ticks at full scale (600 trains per session), so the ramps are lost and the edges are square. The original field came from a gradient head coil around the whole head (under 50 G, i.e. 5 mT, with a peak induced field of about 0.5 V/m); this helmet gives at most about 5 µT at 20 mm, roughly 1000 times less field and 3-4 orders of magnitude less induced field, so this copies the timing only. The eight ring coils in phase stand in for the whole-head coil; its uniform gradient cannot be reproduced, and no front-to-back polarity split is attempted. Rohan 2014 reported mood gains only in combined secondary analyses, the Fava 2018 multisite trial was null, Dubin 2019 saw a benefit only after the third session, and a 2026 meta-analysis of 9 trials found a pooled benefit but rated its certainty low; nothing is known about this pattern at µT strength. Not a depression treatment: don't change medication or treatment because of it. The coils may click or whine at 500 Hz; the original sham reproduced the coil sound, so mask the sound in both arms of a blinded comparison. Not for people with epilepsy; stop on headache or distress.
Sources:Fava et al. 2018, Brain Stimul (LFMS waveform and multisite trial); Rohan et al. 2014, Biol Psychiatry 76:186; Rohan et al. 2004, Am J Psychiatry 161:93 (MRI-based stimulator); Dubin et al. 2019, J Affect Disord; Wu et al. 2026, J Affect Disord; Bharadwaj et al. 2026, meta-analysis
Schumann 7.83 Hz sineClaim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
lowfield-schumann-783, layout: custom, Popular Schumann-resonance device concept (hypothesis: Cherry 2002); tested in an RCT by Huang et al. 2022 (Chang Gung, Taiwan)
A 7.83 Hz sine for 30 min on all eight ring coils in phase, the popular 'Schumann resonance' relaxation and sleep program. Its health claims are hypotheses or vendor statements; the one RCT of a Schumann sleep device found no between-group difference on polysomnography.
Setting: Evening, lying down in a quiet, dim room; 30-60 min (Huang 2022 ran the device from about 1 h before bed until rising). All eight ring coils in phase, as there is no evidence-based placement.
Schedule: Huang 2022: every night for 4 weeks.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | SR fundamental 7.83 Hz | 30 | 7.83 Hz sine, 0.5 ms points | All coils together |
The natural Schumann resonance is a field of about 1 pT near 7.8 Hz (the fundamental drifts between about 7.2 and 8.2 Hz over the day); even at 1 uT the helmet is about a million times stronger, so this is not a 'natural' field. Cherry 2002 proposed health effects via melatonin as a hypothesis. Huang 2022 put a device by the bed facing the head, switched on about 1 h before bed until rising, for 4 weeks, with a composite 7.83 Hz plus theta and delta signal (this program plays only the 7.83 Hz part) and no reported field strength; polysomnography showed no between-group difference, and a co-author held the patent licence. Danho 2025 used 1 uT at 7.83 Hz (outcome: jump performance) with a no-exposure control but no sham. At about 1e-6 V/m induced field there is no credible mechanism. Treat it as claim-level and test it against sham with the app's Blind option. No sleep or health benefit is promised; stop on discomfort. The lowfield-schumann-783-harmonics program adds the higher resonance modes.
Sources:Huang et al. 2022, Nat Sci Sleep; Einstein Telescope Schumann-resonance study, arXiv 2110.14730 (SR amplitude about 1 pT); Ouyang et al. 2013, Chinese J Geophys 56(3):265-272 (SR modes 7.8, 14.1, 20.3, 26.4, 32.5 Hz); Cherry 2002, Natural Hazards 26:279; Danho et al. 2025, Cureus
Schumann 7.83 Hz with SR harmonicsClaim: Claimed by the author, lab or vendor; no controlled independent test30 min, 1.0 µT
lowfield-schumann-783-harmonics, layout: custom, Popular Schumann-resonance device concept (hypothesis: Cherry 2002); tested in an RCT by Huang et al. 2022 (Chang Gung, Taiwan)
The Schumann program with the higher resonance modes added: about 7.83, 14.1, 20.3, 26.4 and 32.5 Hz summed at falling amplitudes, 30 min on all eight ring coils in phase. Claim-level, like the fundamental-only version.
Setting: Evening, lying down in a quiet, dim room; 30-60 min (Huang 2022 ran the device from about 1 h before bed until rising). All eight ring coils in phase, as there is no evidence-based placement.
Schedule: Huang 2022: every night for 4 weeks.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | SR fundamental + 4 harmonics | 30 | Point table of 8000, 1.5 ms per point | All coils together |
The mode frequencies follow Ouyang 2013 (7.8, 14.1, 20.3, 26.4 and 32.5 Hz). The sources give no amplitudes for the higher modes beyond 'lower'; this program uses 1, 1/2, 1/3, 1/4 and 1/5 (a project choice) and scales the sum so its peak equals the set intensity, so the fundamental alone is about 56% of it. The sum is a 12-s loop of 8000 points at 1.5 ms, which puts the modes at 7.833, 14.083, 20.333, 26.417, 32.5 Hz. The natural Schumann resonance is a field of about 1 pT near 7.8 Hz (the fundamental drifts between about 7.2 and 8.2 Hz over the day); even at 1 uT the helmet is about a million times stronger, so this is not a 'natural' field. Cherry 2002 proposed health effects via melatonin as a hypothesis. Huang 2022 put a device by the bed facing the head, switched on about 1 h before bed until rising, for 4 weeks, with a composite 7.83 Hz plus theta and delta signal (this program adds the resonance modes but not Huang's theta and delta parts) and no reported field strength; polysomnography showed no between-group difference, and a co-author held the patent licence. Danho 2025 used 1 uT at 7.83 Hz (outcome: jump performance) with a no-exposure control but no sham. At about 1e-6 V/m induced field there is no credible mechanism. Treat it as claim-level and test it against sham with the app's Blind option. No sleep or health benefit is promised; stop on discomfort.
Sources:Huang et al. 2022, Nat Sci Sleep; Einstein Telescope Schumann-resonance study, arXiv 2110.14730 (SR amplitude about 1 pT); Ouyang et al. 2013, Chinese J Geophys 56(3):265-272 (SR modes 7.8, 14.1, 20.3, 26.4, 32.5 Hz); Cherry 2002, Natural Hazards 26:279; Danho et al. 2025, Cureus
T-PEMF pattern (Re5, 55 Hz bipolar pulses)Single lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
lowfield-tpemf-re5-pattern, layout: custom, Re5 ApS, Denmark; Martiny, Bech and Larsen (Copenhagen, Aalborg)
The pulse timing and coil layout of the Danish Re5 transcranial PEMF device used in depression trials: 3-ms bipolar square pulses every 18 ms (about 55 Hz) for 30 min on seven coils in phase over the temporal, parietal and occipital lobes. A pattern replica at about 50-100 times less field.
Setting: Awake and seated, at home or in a quiet room.
Schedule: Original: 30 min once a day for 5-8 weeks (Danish practice: 56 daily sessions); twice daily added nothing (Straasø 2014).
Coils: CH1 T7, CH2 TP7, CH3 T8, CH4 TP8, CH5 P3, CH6 P4, CH7 Oz
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | T-PEMF pulses, 7 coils | 30 | Point table of 12, 0.5 ms per point, 12 ms pause | All coils together |
Larsen 2020 describe the pulse as +3 ms, -3 ms, then a 12-ms pause (18 ms, about 55 Hz); it is reproduced exactly at the 0.5-ms tick. Re5 drives seven coils as one channel: two serial pairs over the temporal lobes, one pair over the parietal lobe and one coil over the occipital lobe (Tang 2026). The sources give lobes, not electrodes, so T7/TP7, T8/TP8, P3/P4 and Oz are an approximation, and channel 8 is unused. All seven coils share one polarity (no negative weights) because the sources used describe a single in-phase channel; Tang 2026's supplementary wiring diagram, which would show how the coils of each series pair are oriented, was not checked, so a reversed coil within a pair would not be reproduced. Tang 2026 instead model about 4.5-ms biphasic pulses at 50 Hz; that reading (about 2.5 + 2.5 ms with a 15-ms pause) is not used here. Tang's model gives Re5 a mean cortical field of about 0.3 mT and 0.01 V/m; this helmet gives at most about 5 µT, 50-100 times less field, so this copies the timing only (Larsen 2020's figure of 'near 0.0004 V/m' conflicts with Tang's model). For Re5 itself there is one positive sham-controlled trial from the originating group (Martiny 2010) and one independent negative one (van Belkum 2021), and twice-daily sessions added nothing (Straasø 2014); the pattern is untested at µT strength. Not a depression treatment: don't stop or change medication or treatment. Not for people with epilepsy; stop on headache, nausea or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, precuneus, primary-visual-cortex (field on the brain)
Sources:Larsen et al. 2020, Eur Psychiatry (pulse description); Tang et al. 2026, Brain Stimul (Re5 coil layout and field model); Martiny et al. 2010, Biol Psychiatry; van Belkum et al. 2021, J Affect Disord; Straasø et al. 2014, Acta Neuropsychiatr
Persinger lab protocols 38
40 Hz phase-modulated 5 times/s, right parietotemporal (Sculthorpe 2003)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-sculthorpe-2003-40hz-pm, layout: custom, Sculthorpe & Persinger (Laurentian University), 2003 phase-modulation and hypnotic-induction study, phase-modulated arm
The test arm of Sculthorpe & Persinger (2003): a 40 Hz sine phase-modulated five times per second, at 1 uT over the right parietotemporal region for 30 min, between two hypnotic-induction tests. The lab's hypothesis that this modulation explains its earlier suggestibility gains was not supported.
Setting: Seated in a quiet room with the eyes closed or covered; in the original, the Spiegel Hypnotic Induction Profile was given before and after the 30 min.
Schedule: One session per person in the original (between-subjects, six per arm). For a self-test, compare the arms and sham in blinded, counterbalanced order on separate days.
Coils: CH5 T8, CH6 TP8, CH7 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 40 Hz sine, phase-modulated at 5 Hz, right parietotemporal | 30 | 40 Hz phase-modulated at 5 Hz (depth 3 rad), 1 ms points | Right side only |
Sculthorpe & Persinger (2003) exposed 12 men and 12 women to a sham field, a 5 Hz sine, a 40 Hz sine, or the 40 Hz sine phase-modulated five times per second, for 30 min between two administrations of the Spiegel Hypnotic Induction Profile, with EEG over frontal, temporal and occipital regions. The 1 uT fields were applied over the right parietotemporal region through a 'modified helmet', to copy the geometry of the lab's earlier suggestibility studies. The hypothesis that phase modulation explained those suggestibility gains was not supported. The lab also reported that the 40 Hz group rated the session more pleasant than the 5 Hz group (41% of variance), that the 5 Hz group reported more visual experiences in the left peripheral field, that pleasantness correlated negatively with global geomagnetic activity (r = -0.36), and that temporal-lobe alpha lasted longer in the 5 Hz and 40/5 Hz groups. The modulation depth and shape are unpublished: here the carrier's phase swings sinusoidally up to 3 rad either way at 5 Hz (instantaneous frequency about 25-55 Hz), the project's usual depth for its modulated-40 Hz signals. Values are held for 1 ms (an assumption; the abstract gives no point duration). Three right-side coils at T8, TP8 and P8 approximate the right parietotemporal region; the left side stays silent. Six people per arm and several post-hoc correlations; no independent replication, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Use the app's Blind option for the sham arm. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on distress.
Aims at: right-tpj, right-angular-gyrus, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Sculthorpe & Persinger 2003, Does phase-modulation of applied 40-Hz transcerebral magnetic fields affect subjective experiences and hypnotic induction?, Percept Mot Skills 97:1031-1037; Healey, Persinger & Koren 1996, Int J Neurosci 87:201-207 (the earlier right-temporoparietal suggestibility effect); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
40 Hz sine, right parietotemporal, 30 min (Sculthorpe 2003)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-sculthorpe-2003-40hz, layout: custom, Sculthorpe & Persinger (Laurentian University), 2003 phase-modulation and hypnotic-induction study, 40 Hz arm
One of four arms of Sculthorpe & Persinger (2003): a plain 40 Hz sine at 1 uT over the right parietotemporal region for 30 min. The lab reported that this group rated the session more pleasant than the 5 Hz group.
Setting: Seated in a quiet room with the eyes closed or covered; in the original, the Spiegel Hypnotic Induction Profile was given before and after the 30 min.
Schedule: One session per person in the original (between-subjects, six per arm). For a self-test, compare the arms and sham in blinded, counterbalanced order on separate days.
Coils: CH5 T8, CH6 TP8, CH7 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 40 Hz sine, right parietotemporal | 30 | 40 Hz sine, 1 ms points | Right side only |
Sculthorpe & Persinger (2003) exposed 12 men and 12 women to a sham field, a 5 Hz sine, a 40 Hz sine, or the 40 Hz sine phase-modulated five times per second, for 30 min between two administrations of the Spiegel Hypnotic Induction Profile, with EEG over frontal, temporal and occipital regions. The 1 uT fields were applied over the right parietotemporal region through a 'modified helmet', to copy the geometry of the lab's earlier suggestibility studies. The hypothesis that phase modulation explained those suggestibility gains was not supported. The lab also reported that the 40 Hz group rated the session more pleasant than the 5 Hz group (41% of variance), that the 5 Hz group reported more visual experiences in the left peripheral field, that pleasantness correlated negatively with global geomagnetic activity (r = -0.36), and that temporal-lobe alpha lasted longer in the 5 Hz and 40/5 Hz groups. Values are held for 1 ms (an assumption; the abstract gives no point duration). Three right-side coils at T8, TP8 and P8 approximate the right parietotemporal region; the left side stays silent. Six people per arm and several post-hoc correlations; no independent replication, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Use the app's Blind option for the sham arm. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on distress.
Aims at: right-tpj, right-angular-gyrus, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Sculthorpe & Persinger 2003, Does phase-modulation of applied 40-Hz transcerebral magnetic fields affect subjective experiences and hypnotic induction?, Percept Mot Skills 97:1031-1037; Healey, Persinger & Koren 1996, Int J Neurosci 87:201-207 (the earlier right-temporoparietal suggestibility effect); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
5 Hz sine, right parietotemporal, 30 min (Sculthorpe 2003)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-sculthorpe-2003-5hz, layout: custom, Sculthorpe & Persinger (Laurentian University), 2003 phase-modulation and hypnotic-induction study, 5 Hz arm
One of four arms of Sculthorpe & Persinger (2003): a plain 5 Hz sine at 1 uT over the right parietotemporal region for 30 min. The lab reported that this group described more visual experiences in the left peripheral field and rated the session less pleasant than the 40 Hz group.
Setting: Seated in a quiet room with the eyes closed or covered; in the original, the Spiegel Hypnotic Induction Profile was given before and after the 30 min.
Schedule: One session per person in the original (between-subjects, six per arm). For a self-test, compare the arms and sham in blinded, counterbalanced order on separate days.
Coils: CH5 T8, CH6 TP8, CH7 P8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 5 Hz sine, right parietotemporal | 30 | 5 Hz sine, 1 ms points | Right side only |
Sculthorpe & Persinger (2003) exposed 12 men and 12 women to a sham field, a 5 Hz sine, a 40 Hz sine, or the 40 Hz sine phase-modulated five times per second, for 30 min between two administrations of the Spiegel Hypnotic Induction Profile, with EEG over frontal, temporal and occipital regions. The 1 uT fields were applied over the right parietotemporal region through a 'modified helmet', to copy the geometry of the lab's earlier suggestibility studies. The hypothesis that phase modulation explained those suggestibility gains was not supported. The lab also reported that the 40 Hz group rated the session more pleasant than the 5 Hz group (41% of variance), that the 5 Hz group reported more visual experiences in the left peripheral field, that pleasantness correlated negatively with global geomagnetic activity (r = -0.36), and that temporal-lobe alpha lasted longer in the 5 Hz and 40/5 Hz groups. Values are held for 1 ms (an assumption; the abstract gives no point duration). Three right-side coils at T8, TP8 and P8 approximate the right parietotemporal region; the left side stays silent. Six people per arm and several post-hoc correlations; no independent replication, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Use the app's Blind option for the sham arm. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on distress.
Aims at: right-tpj, right-angular-gyrus, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Sculthorpe & Persinger 2003, Does phase-modulation of applied 40-Hz transcerebral magnetic fields affect subjective experiences and hypnotic induction?, Percept Mot Skills 97:1031-1037; Healey, Persinger & Koren 1996, Int J Neurosci 87:201-207 (the earlier right-temporoparietal suggestibility effect); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Booth 2008: six circumcerebral patterns clockwise, then counter-clockwiseSingle lab: Published by one lab or group, not independently replicated60 min, 1.0 µT
persinger-booth-2008-cw-ccw, layout: custom, Booth, Koren & Persinger (Laurentian University), circumcerebral "Octopus" ring; patterns from the lab's six-configuration table (Persinger, Tsang, Booth & Koren 2008)
Booth, Koren & Persinger 2008 rotated the same circumcerebral patterns clockwise and counter-clockwise around the head and reported more EEG power over the left hemisphere during clockwise and over the right hemisphere during counter-clockwise rotation. This program runs the lab's six standard patterns clockwise (30 min), then the same six counter-clockwise (30 min).
Setting: Seated and blindfolded in a quiet, dark room (the lab used an acoustic chamber). To check the claim, record EEG over both hemispheres, for example a 20-s sample in the middle of each pattern, and compare left and right power between the two halves.
Schedule: One session. For a self-test, repeat on another day and compare with a blinded sham session (the app's Blind option).
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | CW BF1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (20+2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | CW BF2 burst 1 ms pts, 2 ms gap, 100->240 ms/coil (100+20) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | CW BF3 burst 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 4 | CW FM1 Thomas 1 ms pts, 1 ms gap, 20->6 ms/coil (20-2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 5 | CW FM2 Thomas 2 ms pts, 1 ms gap, 100->240 ms/coil (100+20) | 5 | Point table of 849, 2 ms per point, 1 ms pause | Rotating clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | CW FM3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 7 | CCW BF1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (20+2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 8 | CCW BF2 burst 1 ms pts, 2 ms gap, 100->240 ms/coil (100+20) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 9 | CCW BF3 burst 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 10 | CCW FM1 Thomas 1 ms pts, 1 ms gap, 20->6 ms/coil (20-2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 11 | CCW FM2 Thomas 2 ms pts, 1 ms gap, 100->240 ms/coil (100+20) | 5 | Point table of 849, 2 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 12 | CCW FM3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil (200-2) | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
Booth's abstract gives no pattern list, durations, intensity or sample size: it says complex fields "with different rates of acceleration" were rotated each way; its "largest effect" with "20 ms rates of change" per solenoid sums up earlier work (Richards 2002), not a Booth result. The six patterns here are the lab's standard battery from Table 1 of Persinger, Tsang, Booth & Koren 2008 (Booth is a co-author; the paper reportedly reuses Richards 2002's six). The project could not open that paper, so the table comes secondhand and is unverified; the verified Table 1 of the Swann paper (persinger-swann-2002-table1) differs in BF2's 1-ms gap, FM2's 1-ms points and FM1's sign (+2 there, while this table reportedly prints -2). 5 min each: BF1 1 ms / 1 ms / 20 ms / +2, BF2 1 / 2 / 100 / +20, BF3 3 / 3000 / 200 / -2, FM1 1 / 1 / 20 / -2, FM2 2 / 1 / 100 / +20, FM3 3 / 3000 / 200 / -2 (point duration / gap between pattern repeats / time on coil 1 / change per coil). FM1 is played as printed. The signs are read literally, + longer and - shorter at each next coil: BF1 runs 20 to 34 ms, the +20 rows 100 to 240 ms, the 200-ms rows 200 to 186 ms and FM1 20 to 6 ms, which is what the same paper's results ("20 msec (+2 msec)") mean in the lab's later notation. Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms for BF1, 20 to 34 ms for FM1 and 200 to 214 ms for the 200-ms rows; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, Cook 1999's full turns of about 200 to 2000 ms fit it better (216 ms per turn at 20 to 34 ms, 104 ms at 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Both directions start the dwell ramp on coil 1 (Fp1); clockwise then steps to Fp2. Ring: eight coils 45 degrees apart on the 10% line, coil 1 over the left frontal region, coil 2 at the left fronto-temporal junction and coil 8 over the right prefrontal region, counter-clockwise seen from above (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2, an inference since the lab names no electrode sites. The Thomas (frequency-modulated) pulse plays from its exact 849-point table; the burst-firing point values were never published, so the built-in accelerating burst stands in (230 points, 6 -> 30 Hz at 3 ms per point and three times faster at 1 ms). Intensity is not in the abstract: the lab's ring gave about 1 uT in its studies of those years (about 1 uT at the centre, Dotta & Persinger 2012; 1-5 uT inside each solenoid, Lehman 2016); Richards 2002 used 5-10 uT. Running both directions in one hour mixes direction with time in session, and the abstract does not say how Booth ordered them. persinger-octopus-plus20-cw and -ccw run a single +20-ms configuration per direction on separate days instead. Single-lab EEG result, never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: lateral-orbitofrontal-cortex, left-temporal-pole, right-temporal-pole, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, primary-visual-cortex (field on the brain)
Sources:Booth, Koren & Persinger 2008, Increased theta activity in quantitative electroencephalographic (QEEG) measurements during exposure to complex weak magnetic fields, Electromagn Biol Med 27:426-436; Persinger, Tsang, Booth & Koren 2008, Enhanced power within a predicted narrow band of theta activity during stimulation of another by circumcerebral weak magnetic fields after weekly spatial proximity, NeuroQuantology 6(1):7-21 (Table 1, six patterns; not re-checked); Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927-949 (verified Table 1 of the same battery); Richards, Koren & Persinger 2002, Percept Mot Skills 95:671-686; Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (the "20+2" notation; coil 1 left frontal, coil 8 right prefrontal; sibling study retold); Lehman 2016, MSc thesis, Laurentian University, pp. 56-57 ("20-2" = 20, 22 ... 34 ms; counter-clockwise standard; 1-5 uT inside each solenoid); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Dotta & Persinger 2012, J Biophys Chem 3:72-80 (230-point increasing-frequency pattern at 1 ms; about 1 uT at the ring centre); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Burst-firing 1 s every 4 s, left hemisphere, 5 uT, 30 min (Persinger 1999)Single lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
persinger-alpha-1999-burst-left, layout: custom, Persinger (Laurentian University), 1999 EEG alpha study in a dark acoustic chamber, left-hemisphere arm
The left-hemisphere arm of Persinger (1999): a 5 uT burst-firing field for 1 s every 4 s over the left hemisphere for 30 min, with opaque goggles in an acoustic chamber. Persinger reported more alpha over the left than the right temporal lobe only when the field was over the left hemisphere.
Setting: Seated or reclined in darkness and silence with opaque goggles (the original used an acoustic chamber); EEG over the left and right temporal lobes (near T7 and T8) if you have it.
Schedule: One session per person in the original. For a self-test with EEG, compare the left, right and sham arms on separate days in counterbalanced order.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing left, 1 s every 4 s (min 0-15) | 15 | Accelerating burst 6 → 30 Hz, 1 s on, 3 s off, 3 ms points | Left side only |
| 2 | Burst-firing left, 1 s every 4 s (min 15-30) | 15 | Accelerating burst 6 → 30 Hz, 1 s on, 3 s off, 3 ms points | Left side only |
Persinger (1999) measured the percentage of alpha per minute over the left and right temporal lobes during the first and second 15 min while subjects wore opaque goggles in an acoustic chamber and 'a weak (5 microT), burst-firing magnetic field was presented during this period for 1 s every 4 s primarily over the left or the right cerebral hemisphere'. It was one continuous exposure; the two 15-min phases here only mark the two analysis intervals (900 s is a whole number of 4-s cycles, so the switch is seamless). The burst-firing point values are unpublished, so an accelerating burst on 3-ms points (the lab default) stands in, on for the paper's 1 s and off for 3 s. The lab's file was 230-289 points at 3 ms (0.69-0.87 s; Carniello 2020, Collins 2014), and a rat version 230 points at 4 ms (0.92 s; Ryczko & Persinger 2002), so '1 s' may be a rounded on-time. The default 5 uT is the paper's intensity and this helmet's maximum, as peak field 20 mm in front of each coil; the paper does not say where it measured. Two coils per side approximate 'primarily over the left or right hemisphere': T7/TP7 play and the right side stays silent. This differs from presence-left and presence-right (after Persinger & Healey 2002: 1 uT, a 0.69-s burst every 4 s, four coils per side). In a related study the lab reported EEG driving in 43% of volunteers, who also reported more fear and odd tastes (Persinger, Richards & Koren 1997). The abstract reports no sham arm; this is a within-subject EEG asymmetry from one lab without independent replication, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Checking the result needs EEG. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on fear, odd tastes or smells, headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, left-tpj (field on the brain)
Sources:Persinger 1999, Increased emergence of alpha activity over the left but not the right temporal lobe within a dark acoustic chamber, Int J Psychophysiol 34:163-169; Persinger, Richards & Koren 1997, Differential entrainment of electroencephalographic activity by weak complex electromagnetic fields, Percept Mot Skills 84:527-536; Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University (289 points, 3 ms); Ryczko & Persinger 2002 (rats: 230 points, 4 ms per point, once every 3 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Burst-firing 1 s every 4 s, right hemisphere, 5 uT, 30 min (Persinger 1999)Single lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
persinger-alpha-1999-burst-right, layout: custom, Persinger (Laurentian University), 1999 EEG alpha study in a dark acoustic chamber, right-hemisphere arm
The right-hemisphere arm of Persinger (1999): the same 5 uT burst-firing field, 1 s every 4 s for 30 min, over the right hemisphere. Persinger reported that right-sided fields did not produce the left-over-right temporal alpha difference seen with left-sided fields.
Setting: Seated or reclined in darkness and silence with opaque goggles (the original used an acoustic chamber); EEG over the left and right temporal lobes (near T7 and T8) if you have it.
Schedule: One session per person in the original. For a self-test with EEG, compare the left, right and sham arms on separate days in counterbalanced order.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing right, 1 s every 4 s (min 0-15) | 15 | Accelerating burst 6 → 30 Hz, 1 s on, 3 s off, 3 ms points | Right side only |
| 2 | Burst-firing right, 1 s every 4 s (min 15-30) | 15 | Accelerating burst 6 → 30 Hz, 1 s on, 3 s off, 3 ms points | Right side only |
Persinger (1999) measured the percentage of alpha per minute over the left and right temporal lobes during the first and second 15 min while subjects wore opaque goggles in an acoustic chamber and 'a weak (5 microT), burst-firing magnetic field was presented during this period for 1 s every 4 s primarily over the left or the right cerebral hemisphere'. It was one continuous exposure; the two 15-min phases here only mark the two analysis intervals (900 s is a whole number of 4-s cycles, so the switch is seamless). The burst-firing point values are unpublished, so an accelerating burst on 3-ms points (the lab default) stands in, on for the paper's 1 s and off for 3 s. The lab's file was 230-289 points at 3 ms (0.69-0.87 s; Carniello 2020, Collins 2014), and a rat version 230 points at 4 ms (0.92 s; Ryczko & Persinger 2002), so '1 s' may be a rounded on-time. The default 5 uT is the paper's intensity and this helmet's maximum, as peak field 20 mm in front of each coil; the paper does not say where it measured. Two coils per side approximate 'primarily over the left or right hemisphere': T8/TP8 play and the left side stays silent. This differs from presence-left and presence-right (after Persinger & Healey 2002: 1 uT, a 0.69-s burst every 4 s, four coils per side). In a related study the lab reported EEG driving in 43% of volunteers, who also reported more fear and odd tastes (Persinger, Richards & Koren 1997). The abstract reports no sham arm; this is a within-subject EEG asymmetry from one lab without independent replication, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Checking the result needs EEG. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on fear, odd tastes or smells, headache or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-tpj (field on the brain)
Sources:Persinger 1999, Increased emergence of alpha activity over the left but not the right temporal lobe within a dark acoustic chamber, Int J Psychophysiol 34:163-169; Persinger, Richards & Koren 1997, Differential entrainment of electroencephalographic activity by weak complex electromagnetic fields, Percept Mot Skills 84:527-536; Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University (289 points, 3 ms); Ryczko & Persinger 2002 (rats: 230 points, 4 ms per point, once every 3 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C1: 40 Hz chirp both sides, then amygdaloid left (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c1-chirpbi-amyl, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 1 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the '40 Hz Modulated Chirp' over both sides for 20 min, then the 'Amygdaloid' (burst-firing) field over the left side for 20 min, on the thesis's four coils per side with one left-right pair on at a time. The lab reported no specific EEG or experience effect for this condition.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: 40 Hz modulated chirp, both sides, 100-160 ms/coil | 20 | 40 Hz phase-modulated at 5 Hz (depth 3 rad) | Stepping around both sides at once (left clockwise, right counter-clockwise), 100 → 160 ms per coil (+20 ms steps) |
| 2 | Target: amygdaloid (burst 289 x 3 ms), left side CW | 20 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 100 ms per coil |
Condition 1 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Amygdaloid' = the built-in accelerating burst (6-30 Hz) on 289 points of 3 ms, then 4 s of silence, the figures the thesis gives for Shiva's amygdaloid file in its 64-coil study (ch. 2, software 5E); '40 Hz Modulated Chirp' (Table 3: '40 Hz Chirp') = a 40 Hz sine phase-modulated five times a second (Sculthorpe & Persinger 2003; the 3-rad depth is a guess) held 100, 120, 140 and 160 ms on successive coils, after Murphy's 'longer and longer gaps between sections of the signal as they travel around your head' (his chirp page instead shows a falling-frequency chirp). The thesis gives no step time: the amygdaloid field steps every 100 ms (the first-column dwell of Shiva's 64-coil software in ch. 2). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-chirpbi-amyl-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, a 230-point burst and a 40-to-6 Hz sweep for the chirp. Collins reported no rise in right-frontal high-beta power for this condition; that rise, peaking at 35 min, appeared only in the two conditions with a bilateral target (4 and 8; eta2 = .19, larger in women). The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C2: 40 Hz modulated both sides, then amygdaloid left (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c2-mod40bi-amyl, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 2 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the '40 Hz Modulated' field over both sides for 20 min, then the 'Amygdaloid' (burst-firing) field over the left side for 20 min, on the thesis's four coils per side with one left-right pair on at a time. The lab reported no specific EEG or experience effect for this condition.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: 40 Hz modulated (5 Hz PM), both sides | 20 | 40 Hz phase-modulated at 5 Hz (depth 3 rad) | Stepping around both sides at once (left clockwise, right counter-clockwise), 100 ms per coil |
| 2 | Target: amygdaloid (burst 289 x 3 ms), left side CW | 20 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 100 ms per coil |
Condition 2 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Amygdaloid' = the built-in accelerating burst (6-30 Hz) on 289 points of 3 ms, then 4 s of silence, the figures the thesis gives for Shiva's amygdaloid file in its 64-coil study (ch. 2, software 5E); '40 Hz Modulated' = a 40 Hz sine phase-modulated five times a second (Sculthorpe & Persinger 2003; the 3-rad depth is a guess). The thesis gives no step time: the amygdaloid and modulated field steps every 100 ms (the first-column dwell of Shiva's 64-coil software in ch. 2). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-mod40bi-amyl-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, a 230-point burst and a 0. Collins reported no rise in right-frontal high-beta power for this condition; that rise, peaking at 35 min, appeared only in the two conditions with a bilateral target (4 and 8; eta2 = .19, larger in women). The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C3: hippocampal both sides, then amygdaloid left (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c3-hippbi-amyl, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 3 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the 'Hippocampal' (LTP) field over both sides for 20 min, then the 'Amygdaloid' (burst-firing) field over the left side for 20 min, on the thesis's four coils per side with one left-right pair on at a time. The lab reported no EEG change in this condition and more reports of anger than in most other groups.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: hippocampal (primed burst), both sides, 200 ms/coil | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 200 ms per coil |
| 2 | Target: amygdaloid (burst 289 x 3 ms), left side CW | 20 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Stepping clockwise around the left side, 100 ms per coil |
Condition 3 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Amygdaloid' = the built-in accelerating burst (6-30 Hz) on 289 points of 3 ms, then 4 s of silence, the figures the thesis gives for Shiva's amygdaloid file in its 64-coil study (ch. 2, software 5E); 'Hippocampal' = a primed burst after Rose et al. 1988 (cited by Collins), as Corradini 2014 describes the Shiva file (a primer, then 4 pulses 150 ms later, 1-ms points, positive only); 1-ms pulses 10 ms apart, five trains in 1 s and 4 s of silence are assumptions. The thesis gives no step time: the amygdaloid field steps every 100 ms (the first-column dwell of Shiva's 64-coil software in ch. 2); the hippocampal field every 200 ms, so each primer and its 4 pulses fall on the same coil (at 100 ms they would always land on different coils). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-hippbi-amyl-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, a 230-point burst and theta-burst (Larson & Lynch) LTP. This group reported anger more often than most other groups; stop at once if irritability or anger appears. It and condition 7 got a bilateral limbic field as the primer instead of the target and showed no rise in right-frontal high-beta power (seen only with a bilateral target, conditions 4 and 8), which Collins took to show that the order of fields matters; grouped by primer, these two groups reported memories from childhood most often. The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, left-amygdala (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C4: 40 Hz chirp right, then amygdaloid both sides (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c4-chirpr-amybi, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 4 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the '40 Hz Modulated Chirp' over the right side for 20 min, then the 'Amygdaloid' (burst-firing) field over both sides for 20 min, on the thesis's four coils per side with one left-right pair on at a time. It is one of the two conditions in which the lab reported a rise in right-frontal high-beta EEG power.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: 40 Hz modulated chirp, right side CCW, 100-160 ms/coil | 20 | 40 Hz phase-modulated at 5 Hz (depth 3 rad) | Stepping counter-clockwise around the right side, 100 → 160 ms per coil (+20 ms steps) |
| 2 | Target: amygdaloid (burst 289 x 3 ms), both sides | 20 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 100 ms per coil |
Condition 4 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Amygdaloid' = the built-in accelerating burst (6-30 Hz) on 289 points of 3 ms, then 4 s of silence, the figures the thesis gives for Shiva's amygdaloid file in its 64-coil study (ch. 2, software 5E); '40 Hz Modulated Chirp' (Table 3: '40 Hz Chirp') = a 40 Hz sine phase-modulated five times a second (Sculthorpe & Persinger 2003; the 3-rad depth is a guess) held 100, 120, 140 and 160 ms on successive coils, after Murphy's 'longer and longer gaps between sections of the signal as they travel around your head' (his chirp page instead shows a falling-frequency chirp). The thesis gives no step time: the amygdaloid field steps every 100 ms (the first-column dwell of Shiva's 64-coil software in ch. 2). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-chirpr-amybi-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, a 230-point burst and a 40-to-6 Hz sweep for the chirp. This is one of the two conditions with a bilateral target (4 and 8), the only ones in which Collins reported a rise in right-frontal high-beta (20-30 Hz) power, peaking at 35 min, 15 min into the target (eta2 = .19 for bilateral vs unilateral targets over time; larger in women). Table 3 and Murphy's session list put this primer on the right; the thesis's anger figure labels it left. The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: right-superior-temporal-gyrus-posterior, left-amygdala, right-amygdala (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C5: 40 Hz chirp both sides, then hippocampal right (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c5-chirpbi-hippr, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 5 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the '40 Hz Modulated Chirp' over both sides for 20 min, then the 'Hippocampal' (LTP) field over the right side for 20 min, on the thesis's four coils per side with one left-right pair on at a time. The lab reported no specific EEG or experience effect for this condition.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: 40 Hz modulated chirp, both sides, 100-160 ms/coil | 20 | 40 Hz phase-modulated at 5 Hz (depth 3 rad) | Stepping around both sides at once (left clockwise, right counter-clockwise), 100 → 160 ms per coil (+20 ms steps) |
| 2 | Target: hippocampal (primed burst), right CCW, 200 ms/coil | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 200 ms per coil |
Condition 5 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Hippocampal' = a primed burst after Rose et al. 1988 (cited by Collins), as Corradini 2014 describes the Shiva file (a primer, then 4 pulses 150 ms later, 1-ms points, positive only); 1-ms pulses 10 ms apart, five trains in 1 s and 4 s of silence are assumptions; '40 Hz Modulated Chirp' (Table 3: '40 Hz Chirp') = a 40 Hz sine phase-modulated five times a second (Sculthorpe & Persinger 2003; the 3-rad depth is a guess) held 100, 120, 140 and 160 ms on successive coils, after Murphy's 'longer and longer gaps between sections of the signal as they travel around your head' (his chirp page instead shows a falling-frequency chirp). The thesis gives no step time: the hippocampal field every 200 ms, so each primer and its 4 pulses fall on the same coil (at 100 ms they would always land on different coils). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-chirpbi-hippr-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, theta-burst (Larson & Lynch) LTP and a 40-to-6 Hz sweep for the chirp. Collins reported no rise in right-frontal high-beta power for this condition; that rise, peaking at 35 min, appeared only in the two conditions with a bilateral target (4 and 8; eta2 = .19, larger in women). The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C6: 40 Hz modulated both sides, then hippocampal right (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c6-mod40bi-hippr, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 6 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the '40 Hz Modulated' field over both sides for 20 min, then the 'Hippocampal' (LTP) field over the right side for 20 min, on the thesis's four coils per side with one left-right pair on at a time. The lab reported no specific EEG or experience effect for this condition.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: 40 Hz modulated (5 Hz PM), both sides | 20 | 40 Hz phase-modulated at 5 Hz (depth 3 rad) | Stepping around both sides at once (left clockwise, right counter-clockwise), 100 ms per coil |
| 2 | Target: hippocampal (primed burst), right CCW, 200 ms/coil | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 200 ms per coil |
Condition 6 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Hippocampal' = a primed burst after Rose et al. 1988 (cited by Collins), as Corradini 2014 describes the Shiva file (a primer, then 4 pulses 150 ms later, 1-ms points, positive only); 1-ms pulses 10 ms apart, five trains in 1 s and 4 s of silence are assumptions; '40 Hz Modulated' = a 40 Hz sine phase-modulated five times a second (Sculthorpe & Persinger 2003; the 3-rad depth is a guess). The thesis gives no step time: modulated field steps every 100 ms (the first-column dwell of Shiva's 64-coil software in ch. 2); the hippocampal field every 200 ms, so each primer and its 4 pulses fall on the same coil (at 100 ms they would always land on different coils). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-mod40bi-hippr-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, theta-burst (Larson & Lynch) LTP and a 0. Collins reported no rise in right-frontal high-beta power for this condition; that rise, peaking at 35 min, appeared only in the two conditions with a bilateral target (4 and 8; eta2 = .19, larger in women). The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C7: amygdaloid both sides, then hippocampal right (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c7-amybi-hippr, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 7 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the 'Amygdaloid' (burst-firing) field over both sides for 20 min, then the 'Hippocampal' (LTP) field over the right side for 20 min, on the thesis's four coils per side with one left-right pair on at a time. The lab reported no EEG change in this condition; with condition 3 it reported memories from childhood most often.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: amygdaloid (burst 289 x 3 ms), both sides | 20 | Accelerating burst 6 → 30 Hz, 0.87 s on, 4 s off, 3 ms points | Stepping around both sides at once (left clockwise, right counter-clockwise), 100 ms per coil |
| 2 | Target: hippocampal (primed burst), right CCW, 200 ms/coil | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 200 ms per coil |
Condition 7 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Amygdaloid' = the built-in accelerating burst (6-30 Hz) on 289 points of 3 ms, then 4 s of silence, the figures the thesis gives for Shiva's amygdaloid file in its 64-coil study (ch. 2, software 5E); 'Hippocampal' = a primed burst after Rose et al. 1988 (cited by Collins), as Corradini 2014 describes the Shiva file (a primer, then 4 pulses 150 ms later, 1-ms points, positive only); 1-ms pulses 10 ms apart, five trains in 1 s and 4 s of silence are assumptions. The thesis gives no step time: the amygdaloid field steps every 100 ms (the first-column dwell of Shiva's 64-coil software in ch. 2); the hippocampal field every 200 ms, so each primer and its 4 pulses fall on the same coil (at 100 ms they would always land on different coils). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-amybi-hippr-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, a 230-point burst and theta-burst (Larson & Lynch) LTP. It and condition 3 got a bilateral limbic field as the primer instead of the target and showed no rise in right-frontal high-beta power (seen only with a bilateral target, conditions 4 and 8), which Collins took to show that the order of fields matters; grouped by primer, these two groups reported memories from childhood most often. The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-amygdala, right-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Collins 2014 C8: 40 Hz chirp left, then hippocampal both sides (Shiva God Helmet, 40 min)Single lab: Published by one lab or group, not independently replicated40 min, 1.5 µT
persinger-collins-gh-c8-chirpl-hippbi, layout: custom, Todd Murphy, 'God Helmet Sessions for the Shiva Neural System' v1H; tested in Persinger's lab, Laurentian University (Collins 2014, MA thesis, ch. 4)
Condition 8 of Collins's 2014 Persinger-lab test of Todd Murphy's Shiva God Helmet software: the '40 Hz Modulated Chirp' over the left side for 20 min, then the 'Hippocampal' (LTP) field over both sides for 20 min, on the thesis's four coils per side with one left-right pair on at a time. It is one of the two conditions in which the lab reported a rise in right-frontal high-beta EEG power.
Setting: Seated in a comfortable chair, eyes closed, in a quiet, dark room (the thesis used a shielded acoustic chamber), told that a field may or may not be on. The thesis recorded 19-channel EEG every 5 min and gave the Personal Philosophy Inventory before and a 20-item exit questionnaire after.
Schedule: One 40-min session per person in the thesis. For a self-test, run it against sham with the app's Blind option and fix the measure in advance (the thesis effect: right-frontal high-beta at 35 min).
Coils: CH1 C5, CH2 TP7, CH3 T9h, CH4 FFT7, CH5 C6, CH6 TP8, CH7 T10h, CH8 FFT8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Primer: 40 Hz modulated chirp, left side CW, 100-160 ms/coil | 20 | 40 Hz phase-modulated at 5 Hz (depth 3 rad) | Stepping clockwise around the left side, 100 → 160 ms per coil (+20 ms steps) |
| 2 | Target: hippocampal (primed burst), both sides, 200 ms/coil | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping around both sides at once (left clockwise, right counter-clockwise), 200 ms per coil |
Condition 8 of the 8 primer-target sessions of Murphy's 'God Helmet Sessions for the Shiva Neural System' v1H that Collins (MA thesis, Laurentian University, Persinger's lab) gave to 24 students, 3 per session, 20 + 20 min (Table 3). Thesis geometry: four solenoids per side on a Velcro square, 5 cm apart vertically and 8 cm horizontally, one left-right pair on at a time, the left side stepping clockwise and the right side counter-clockwise. Its photo numbers one side's coils top, back, bottom, front, which is counter-clockwise seen from the right and, mirrored, clockwise seen from the left, as here; C5, TP7, T9h, FFT7 and their right mirrors (about 5.8 x 7.7 cm) are an inference. The Shiva files are proprietary, so the fields are stand-ins: 'Hippocampal' = a primed burst after Rose et al. 1988 (cited by Collins), as Corradini 2014 describes the Shiva file (a primer, then 4 pulses 150 ms later, 1-ms points, positive only); 1-ms pulses 10 ms apart, five trains in 1 s and 4 s of silence are assumptions; '40 Hz Modulated Chirp' (Table 3: '40 Hz Chirp') = a 40 Hz sine phase-modulated five times a second (Sculthorpe & Persinger 2003; the 3-rad depth is a guess) held 100, 120, 140 and 160 ms on successive coils, after Murphy's 'longer and longer gaps between sections of the signal as they travel around your head' (his chirp page instead shows a falling-frequency chirp). The thesis gives no step time: the hippocampal field every 200 ms, so each primer and its 4 pulses fall on the same coil (at 100 ms they would always land on different coils). The thesis measured 1-2 uT at the centre of the cap; 1.5 uT here is the peak 20 mm in front of each coil, so the field inside the head is weaker than in the thesis. Collins says each left-right pair is arranged so 'a field is generated between them' but gives no polarity, so both sides use the same drive sign. The vendor rebuild murphy-gh-chirpl-hippbi-40min uses an FT7/C5/TP7/T9 cross, 125-ms steps, 1 uT, theta-burst (Larson & Lynch) LTP and a 40-to-6 Hz sweep for the chirp. This is one of the two conditions with a bilateral target (4 and 8), the only ones in which Collins reported a rise in right-frontal high-beta (20-30 Hz) power, peaking at 35 min, 15 min into the target (eta2 = .19 for bilateral vs unilateral targets over time; larger in women). Table 3 and Murphy's session list put this primer on the left; the thesis's anger figure labels it right. The EEG change was not linked to reported experiences, no clear pattern of experiences emerged, and the thesis had set an eta2 of about 30 % as its bar for a clinically conspicuous effect. Three people per condition, no sham group in this study, one lab, no replication; independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on fear, anger, headache or distress.
Aims at: left-superior-temporal-gyrus-posterior, left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Collins 2014 (title page dated 2013), Quantitative differences in participants exposed to patterned, weak-intensity electromagnetic fields: investigating the Shiva, MA thesis (Psychology), Laurentian University, ch. 4 and Table 3 (the 289-point amygdaloid file of the 64-coil study in ch. 2); Collins 2014, full text; Murphy, God Helmet session list; Murphy, Shiva: sessions used in lab experiments (the chirp's 'longer and longer gaps'); Murphy, Shiva demo: modulated 40 Hz chirp; Corradini 2014, MA thesis, Laurentian University (Shiva hippocampal file: primer pulse, then 4 pulses 150 ms later, 1-ms points); Rose, Diamond, Pang & Dunwiddie 1988, primed burst potentiation (cited by Collins for the hippocampal field); Sculthorpe & Persinger 2003, Percept Mot Skills 97:1031 (40 Hz phase-modulated five times per second); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Cook 1999: six patterns, clockwise (comparison arm)Single lab: Published by one lab or group, not independently replicated18 min, 5.0 µT
persinger-cook-1999-time-cw, layout: custom, Cook, Koren & Persinger 1999 (Laurentian University), circumcerebral "Octopus" ring
The clockwise comparison arm of Cook, Koren & Persinger 1999: the same six 2.5-min patterns and 10-s estimates as persinger-cook-1999-time-ccw, rotated clockwise. Persinger's lab reported that this group's 10-s estimates were about 3 s shorter than the counter-clockwise group's.
Setting: Seated or reclined, eyes closed, in a quiet, dim room. In each pause, mark the start and end of what feels like 10 s for a helper with a stopwatch (or on a stopwatch you cannot see) and write down the result.
Schedule: One session in the original. For a self-test, run this and the counter-clockwise version on different days in blinded, random order and compare the 10-s estimates.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | B1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil | 2.5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | Pause 1: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 3 | B2 burst 3 ms pts, 1 ms gap, 100->240 ms/coil (+20) | 2.5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 0 s off, 3 ms points | Rotating clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 4 | Pause 2: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 5 | B3 burst 1 ms pts, 3 s gap, 200->186 ms/coil | 2.5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 3 s off, 1 ms points | Rotating clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 6 | Pause 3: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 7 | T1 Thomas 1 ms pts, 1 ms gap, 20->34 ms/coil | 2.5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 8 | Pause 4: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 9 | T2 Thomas 3 ms pts, 1 ms gap, 100->240 ms/coil (+20) | 2.5 | Point table of 849, 3 ms per point, 1 ms pause | Rotating clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 10 | Pause 5: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 11 | T3 Thomas 1 ms pts, 3 s gap, 200->186 ms/coil | 2.5 | Point table of 849, 1 ms per point, 3000 ms pause | Rotating clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 12 | Pause 6: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
Identical to persinger-cook-1999-time-ccw except for the direction: coil 1 (Fp1), then Fp2, FT8, TP8, O2, O1, TP7, FT7; the paper does not say where the clockwise sequence started. Booth, Koren & Persinger 2008 later reported more left-hemisphere EEG power with clockwise and more right-hemisphere power with counter-clockwise rotation. About 10 uT in the original; the default is this helmet's 5 uT limit. Cook 1999 does not list its six patterns; they are filled from the lab's six-configuration table in the Swann paper (Persinger et al. 2002, read from a scanned copy), which cites Cook 1999 for its patterns: burst-firing and the frequency-modulated Thomas pulse, each at 20 ms + 2 ms per coil (20 to 34 ms, a 216-ms turn), 100 ms + 20 ms (100 to 240 ms, a 1360-ms turn, the "additions of 20 ms") and 200 ms - 2 ms (200 to 186 ms, 1544 ms), with that table's point durations and gaps between pattern repeats (its sixth point duration is missing and taken as 1 ms), in the table's order, since Cook gives none. The signs are read literally, + longer and - shorter at each next coil, as in Cook's "additions of 20 ms". Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms and 200 to 214 ms; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, it fits the abstract's turns of about 200 to 2000 ms better (216 to 1544 ms; 20 to 6 ms would make a 104-ms turn), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Saroka (2016) says Cook rotated the Thomas pulse and names no burst-firing pattern, so B1-B3 are the least certain part; the Thomas pulse plays here from the exact 849-point table. The burst-firing values were never published, so the built-in accelerating burst stands in (230 points; at 1 ms per point it plays three times faster). Coil 1 sits over the left frontal and coil 8 over the right prefrontal region (Persinger & Lavallee 2010); Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 each lie within 5 degrees of that 45-degree ring. The 30-s silent pauses for the estimate are an addition; the abstract says only that estimates followed each 2.5-min exposure. Single-lab result, never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-superior-temporal-gyrus-posterior, left-tpj (field on the brain)
Sources:Cook, Koren & Persinger 1999, Subjective time estimation by humans is increased by counterclockwise but not clockwise circumcerebral rotations of phase-shifting magnetic pulses in the horizontal plane, Neurosci Lett 268:61-64; Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927-949 (Table 1, six configurations); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 rotated the Thomas pulse with "the Octopus"); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4) (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436 (clockwise vs counter-clockwise); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Cook 1999: six patterns, counter-clockwise (subjective time)Single lab: Published by one lab or group, not independently replicated18 min, 5.0 µT
persinger-cook-1999-time-ccw, layout: custom, Cook, Koren & Persinger 1999 (Laurentian University), circumcerebral "Octopus" ring
Cook, Koren & Persinger's 1999 session: six 2.5-min patterns rotated counter-clockwise through eight coils around the head, each followed by a pause in which you estimate a 10-s interval. Persinger's lab reported that this group judged 10 s about 3 s longer than a group given clockwise rotations, most of all with "successive additions of 20 ms" per coil.
Setting: Seated or reclined, eyes closed, in a quiet, dim room. In each pause, mark the start and end of what feels like 10 s for a helper with a stopwatch (or on a stopwatch you cannot see) and write down the result.
Schedule: One session in the original, which compared two groups. For a self-test, run this and the clockwise version on different days in blinded, random order and compare the 10-s estimates.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | B1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil | 2.5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | Pause 1: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 3 | B2 burst 3 ms pts, 1 ms gap, 100->240 ms/coil (+20) | 2.5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 0 s off, 3 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 4 | Pause 2: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 5 | B3 burst 1 ms pts, 3 s gap, 200->186 ms/coil | 2.5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 3 s off, 1 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 6 | Pause 3: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 7 | T1 Thomas 1 ms pts, 1 ms gap, 20->34 ms/coil | 2.5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 8 | Pause 4: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 9 | T2 Thomas 3 ms pts, 1 ms gap, 100->240 ms/coil (+20) | 2.5 | Point table of 849, 3 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 10 | Pause 5: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
| 11 | T3 Thomas 1 ms pts, 3 s gap, 200->186 ms/coil | 2.5 | Point table of 849, 1 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 12 | Pause 6: estimate a 10-s interval (field off) | 0.5 | No output | All coils together |
From the abstract: about 10 uT (the default is this helmet's 5 uT limit), eight solenoids every 45 degrees at the temporo-orbital level, 2.5 min per pattern, three rates of change with turns of about 200 to 2000 ms, and 20-ms additions per solenoid as the most effective pattern (here B2 and T2). Cook 1999 does not list its six patterns; they are filled from the lab's six-configuration table in the Swann paper (Persinger et al. 2002, read from a scanned copy), which cites Cook 1999 for its patterns: burst-firing and the frequency-modulated Thomas pulse, each at 20 ms + 2 ms per coil (20 to 34 ms, a 216-ms turn), 100 ms + 20 ms (100 to 240 ms, a 1360-ms turn, the "additions of 20 ms") and 200 ms - 2 ms (200 to 186 ms, 1544 ms), with that table's point durations and gaps between pattern repeats (its sixth point duration is missing and taken as 1 ms), in the table's order, since Cook gives none. The signs are read literally, + longer and - shorter at each next coil, as in Cook's "additions of 20 ms". Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms and 200 to 214 ms; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, it fits the abstract's turns of about 200 to 2000 ms better (216 to 1544 ms; 20 to 6 ms would make a 104-ms turn), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Saroka (2016) says Cook rotated the Thomas pulse and names no burst-firing pattern, so B1-B3 are the least certain part; the Thomas pulse plays here from the exact 849-point table. The burst-firing values were never published, so the built-in accelerating burst stands in (230 points; at 1 ms per point it plays three times faster). Coil 1 sits over the left frontal and coil 8 over the right prefrontal region (Persinger & Lavallee 2010); Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2 each lie within 5 degrees of that 45-degree ring. The 30-s silent pauses for the estimate are an addition; the abstract says only that estimates followed each 2.5-min exposure. military-p06-persinger-swann-1998 runs the same table for 5 min per pattern on an Fpz-Oz ring with a synthetic Thomas sweep. Run persinger-cook-1999-time-cw as the comparison arm, blinded. Single-lab result, never independently replicated, and time estimates are easily swayed by expectation. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-tpj (field on the brain)
Sources:Cook, Koren & Persinger 1999, Subjective time estimation by humans is increased by counterclockwise but not clockwise circumcerebral rotations of phase-shifting magnetic pulses in the horizontal plane, Neurosci Lett 268:61-64; Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927-949 (Table 1, six configurations); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 rotated the Thomas pulse with "the Octopus"); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4) (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436 (clockwise vs counter-clockwise); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Corradini 2014: LTP primed burst, left temporal lobe, rotating CW (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-corradini-2014-ltp-left, layout: custom, Corradini 2014, MA thesis in Persinger's laboratory (Laurentian University), using Murphy's Shiva solenoids and hippocampal 'LTP' pattern
The left-hemisphere arm of Corradini's (2014) memory-consolidation study in Persinger's lab: the Shiva 'LTP' primed-burst pattern stepping clockwise around four coils over the left temporal lobe for 20 min at 1 uT, between immediate and delayed recall of short stories. Corradini reported better story retention after left-sided fields than after sham (4 people per arm; 'accommodating 60% of the variance').
Setting: Dark, quiet room, eyes closed (the lab used a shielded acoustic chamber). Before the program, have someone read you two short stories (and a 15-word list) and say or write down everything you remember right away (immediate recall); run the 20-min program with eyes closed; then recall them again (delayed recall) and score both against the text.
Schedule: One session per arm in the original (between groups). For a self-test, run the left, right and sham (Blind) arms on separate days with a different story each time, in counterbalanced order, and have the recalls scored blind.
Coils: CH1 FT7, CH2 FC5h, CH3 CPP5h, CH4 TPP7, CH5 FT8, CH6 FC6h, CH7 CPP6h, CH8 TPP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LTP primed burst, left square, clockwise | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping clockwise around the left side, 200 ms per coil |
Corradini (2014, MA thesis) applied the Shiva software's hippocampal 'LTP' pattern at 1 uT for 20 min over one temporal lobe at a time (left, right or sham; 4, 4 and 3 people) between immediate and delayed recall, through 8 Shiva solenoids (4 per side) activated one at a time, clockwise on the left and counter-clockwise on the right; the person scoring the recalls was blind to the condition. She modelled the study on Richards, Persinger & Koren (1996), who reported about twice as many accurate narrative details 10 days after left-hemisphere LTP fields. This file is the left arm; persinger-corradini-2014-ltp-right is the other, and the app's Blind option gives the sham. Corradini reported better story retention after left-sided fields than after sham (eta2 = 0.60), no story gain after right-sided fields, and better recall of an unrelated word list after either field than after sham (eta2 = 0.37). Pattern: her Figure 2 caption gives positive values only (127-256), 1-ms points and 150 ms from a primer pulse to 4 further pulses (Rose et al. 1988, primed-burst potentiation); measured on the figure at that scale, each pulse is about 5 ms wide and the 4 pulses are about 14-15 ms apart (onset to onset), so this file uses 5-point pulses starting at 0, 150, 164, 178 and 192 ms (an estimate from the plot). Five such primed bursts fill 1 s (the lab's '1 s pulse of 5 trains', Delparte & Persinger 2007), then 4 s of silence (Murphy's standard latency between Shakti/Shiva signal repeats); the five trains and the pause are assumptions, since the Shiva file is proprietary. Coil geometry follows Collins (2014) for the same hardware: on each side a square of 4 coils 5 cm apart vertically and 8 cm horizontally (Corradini's photos show the same, slightly tilted square), here FT7, FC5h, CPP5h, TPP7 and FT8, FC6h, CPP6h, TPP8 (a fitted inference, lower edge just above the ear). The thesis gives only the direction: the step order (upper front, upper back, lower back, lower front, viewed from outside the head) is an inference, and 200 ms per coil is chosen so that each coil receives whole primed bursts (a primer and its 4 pulses on the same coil). Unlike persinger-ltp-pleasantness-left (Persinger 1994, two static coils), the pattern steps around four coils. An unpublished MA thesis with 4 people per field arm, never independently replicated; in rats the lab's LTP-type fields impaired consolidation (Delparte & Persinger 2007; McKay & Persinger 2000), so do not treat this as a memory enhancer. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on headache or distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-hippocampus-tail, left-entorhinal-cortex, left-superior-temporal-gyrus-posterior (field on the brain)
Sources:Corradini 2014, MA thesis, Laurentian University, ch. 4, pp. 86-95 (LTP pattern, Figure 2 caption p. 92: values 127-256, 1-ms points, 150 ms from primer to 4 pulses; 20 min, 1 uT; left, right or sham; clockwise left, counter-clockwise right; story and word-list results); Collins 2014, MA thesis, Laurentian University, p. 60 (Shiva coils 5 cm apart vertically and 8 cm horizontally; right side counter-clockwise, left clockwise); Richards, Persinger & Koren 1996, Electro- and Magnetobiology 15:141-148 (LTP-patterned field and narrative memory); Rose, Diamond, Pang & Dunwiddie 1988, Primed burst potentiation (as cited by Corradini 2014); Delparte & Persinger 2007, Int J Neurosci 117:295-299 ('1 s pulse of 5 trains'; impaired consolidation in rats); McKay & Persinger 2000, Int J Neurosci 103:69-77 (impaired spatial memory in rats); Persinger, Richards & Koren 1994, Int J Neurosci 79:191-197; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (4-s latency); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Corradini 2014: LTP primed burst, right temporal lobe, rotating CCW (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-corradini-2014-ltp-right, layout: custom, Corradini 2014, MA thesis in Persinger's laboratory (Laurentian University), using Murphy's Shiva solenoids and hippocampal 'LTP' pattern
The right-hemisphere arm of Corradini's (2014) memory-consolidation study in Persinger's lab: the Shiva 'LTP' primed-burst pattern stepping counter-clockwise around four coils over the right temporal lobe for 20 min at 1 uT, between immediate and delayed recall of short stories. Corradini reported no story-recall gain for this arm (the gain was after left-sided fields), but better word-list recall after either field than after sham.
Setting: Dark, quiet room, eyes closed (the lab used a shielded acoustic chamber). Before the program, have someone read you two short stories (and a 15-word list) and say or write down everything you remember right away (immediate recall); run the 20-min program with eyes closed; then recall them again (delayed recall) and score both against the text.
Schedule: One session per arm in the original (between groups). For a self-test, run the left, right and sham (Blind) arms on separate days with a different story each time, in counterbalanced order, and have the recalls scored blind.
Coils: CH1 FT7, CH2 FC5h, CH3 CPP5h, CH4 TPP7, CH5 FT8, CH6 FC6h, CH7 CPP6h, CH8 TPP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LTP primed burst, right square, counter-clockwise | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Stepping counter-clockwise around the right side, 200 ms per coil |
Corradini (2014, MA thesis) applied the Shiva software's hippocampal 'LTP' pattern at 1 uT for 20 min over one temporal lobe at a time (left, right or sham; 4, 4 and 3 people) between immediate and delayed recall, through 8 Shiva solenoids (4 per side) activated one at a time, clockwise on the left and counter-clockwise on the right; the person scoring the recalls was blind to the condition. She modelled the study on Richards, Persinger & Koren (1996), who reported about twice as many accurate narrative details 10 days after left-hemisphere LTP fields. This file is the right arm; persinger-corradini-2014-ltp-left is the other, and the app's Blind option gives the sham. Corradini reported better story retention after left-sided fields than after sham (eta2 = 0.60), no story gain after right-sided fields, and better recall of an unrelated word list after either field than after sham (eta2 = 0.37). Pattern: her Figure 2 caption gives positive values only (127-256), 1-ms points and 150 ms from a primer pulse to 4 further pulses (Rose et al. 1988, primed-burst potentiation); measured on the figure at that scale, each pulse is about 5 ms wide and the 4 pulses are about 14-15 ms apart (onset to onset), so this file uses 5-point pulses starting at 0, 150, 164, 178 and 192 ms (an estimate from the plot). Five such primed bursts fill 1 s (the lab's '1 s pulse of 5 trains', Delparte & Persinger 2007), then 4 s of silence (Murphy's standard latency between Shakti/Shiva signal repeats); the five trains and the pause are assumptions, since the Shiva file is proprietary. Coil geometry follows Collins (2014) for the same hardware: on each side a square of 4 coils 5 cm apart vertically and 8 cm horizontally (Corradini's photos show the same, slightly tilted square), here FT7, FC5h, CPP5h, TPP7 and FT8, FC6h, CPP6h, TPP8 (a fitted inference, lower edge just above the ear). The thesis gives only the direction: the step order (upper front, upper back, lower back, lower front, viewed from outside the head) is an inference, and 200 ms per coil is chosen so that each coil receives whole primed bursts (a primer and its 4 pulses on the same coil). Unlike persinger-ltp-pleasantness-right (Persinger 1994, two static coils), the pattern steps around four coils. An unpublished MA thesis with 4 people per field arm, never independently replicated; in rats the lab's LTP-type fields impaired consolidation (Delparte & Persinger 2007; McKay & Persinger 2000), so do not treat this as a memory enhancer. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on headache or distress.
Aims at: right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail, right-entorhinal-cortex, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Corradini 2014, MA thesis, Laurentian University, ch. 4, pp. 86-95 (LTP pattern, Figure 2 caption p. 92: values 127-256, 1-ms points, 150 ms from primer to 4 pulses; 20 min, 1 uT; left, right or sham; clockwise left, counter-clockwise right; story and word-list results); Collins 2014, MA thesis, Laurentian University, p. 60 (Shiva coils 5 cm apart vertically and 8 cm horizontally; right side counter-clockwise, left clockwise); Richards, Persinger & Koren 1996, Electro- and Magnetobiology 15:141-148 (LTP-patterned field and narrative memory); Rose, Diamond, Pang & Dunwiddie 1988, Primed burst potentiation (as cited by Corradini 2014); Delparte & Persinger 2007, Int J Neurosci 117:295-299 ('1 s pulse of 5 trains'; impaired consolidation in rats); McKay & Persinger 2000, Int J Neurosci 103:69-77 (impaired spatial memory in rats); Persinger, Richards & Koren 1994, Int J Neurosci 79:191-197; Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (4-s latency); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
De Sano & Persinger 1987: 4 Hz across the temporal lobes, 15 minSingle lab: Published by one lab or group, not independently replicated15 min, 1.0 µT
persinger-desano-1987-imagery-4hz, layout: custom, De Sano & Persinger 1987 (Laurentian University)
About 15 min of a 4 Hz field across both mid-superior temporal lobes while you watch a green light pulsing at 4 Hz and imagine encountering an alien situation, with suggestibility measured before and after. De Sano & Persinger reported results "commensurate with the hypothesis" that weak brain-frequency fields influence imaginings and suggestibility, without an effect size.
Setting: Seated in a dim, quiet room (the abstract does not describe the room), watching a green light that pulses at 4 Hz and imagining that you are encountering an alien situation; a suggestibility test before and after.
Schedule: One exposure per person in the original (between groups). For a self-test, compare active and sham sessions in Blind mode on separate days, with the outcome decided in advance.
Coils: CH1 T7, CH2 C5, CH5 T8, CH6 C6
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 4 Hz across both temporal lobes, green light at 4 Hz | 15 | 4 Hz sine, 1 ms points | All coils together |
Twenty-four volunteers (12 women, 12 men) received sham, 1 Hz or 4 Hz fields; this is the 4 Hz arm (the 1 Hz arm differs only in frequency; for sham use the app's Blind option). "Applied across their mid-superior temporal lobes" is mapped to T7 and C5 on the left and T8 and C6 on the right, all driven together with one polarity (an inference; the lab's coils and wiring are not described). Waveform and intensity are not given: a smooth 4 Hz sine on 1-ms points and 1 uT, the lab's later standard, are assumptions. The green light is not part of the helmet: use a separate green lamp or screen flashing at 4 Hz; it will not be phase-locked to the field, and the paper only says it pulsed "at the same frequency". Flashing light can trigger seizures in photosensitive people. The abstract does not name the suggestibility test. The light, the instruction and the setting are strong suggestions in themselves, and the lab later argued that simple sine fields are not equivalent to its complex patterns (Richards, Persinger & Koren 1993). No independent group has tested this protocol. Independent double-blind tests of the lab's later God Helmet patterns found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy; stop on fear or distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:De Sano & Persinger 1987, Geophysical variables and behavior: XXXIX. Alterations in imaginings and suggestibility during brief magnetic field exposures, Percept Mot Skills 64:968-970; Richards, Persinger & Koren 1993, Modification of activation and evaluation properties of narratives by weak complex magnetic field patterns that simulate limbic burst firing, Int J Neurosci 71:71-85; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Gillis & Persinger 1993: pulsed field, 1 s every 4 s, both sides (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-gillis-1993-pulsed-bilateral, layout: custom, Gillis & Persinger 1993 (Laurentian University), comparison arm
The comparison arm of Gillis & Persinger 1993: a field 'pulsed (1 sec. every 4 sec.)' along both temporal planes for 20 min, once a week for three weeks. The lab reported that people given bilateral burst-firing instead showed more aggression and less trust on the Plutchik emotion profile than this group or controls.
Setting: Blindfolded or with opaque goggles, reclining in a quiet, dark room (the lab's usual setting; the abstract gives none).
Schedule: Three 20-min sessions one week apart, as in the original; compare blind with persinger-burst-temporal-bilateral and sham.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Pulsed burst-firing, 1 s every 4 s, both sides | 20 | Accelerating burst 6 → 30 Hz, 1 s on, 3 s off, 3 ms points | All coils together |
Gillis & Persinger gave three weekly 20-min treatments of bilateral burst-firing 'along the temporal plane', of 'pulsed (1 sec. every 4 sec.)' fields, or a control condition, and reported increased aggression and decreased trust (eta about 0.70) only after burst-firing; this file is the pulsed arm, and persinger-burst-temporal-bilateral stands in for the burst-firing arm. The abstract does not say what the 1-s pulse contained: the title contrasts 'pulsed vs continuous' fields and Persinger 1999 presented burst-firing 'for 1 s every 4 s', so the built-in accelerating burst (6 to 30 Hz, 3-ms points, the lab default) plays for 1 s and pauses for 3 s; a plain pulse is the other reading. The burst-firing point values were never published. The abstract gives no intensity; 1 uT is the lab's usual human level. Two coils per side, T7/TP7 and T8/TP8, are an inference from 'along the temporal plane'. On this helmet the two arms differ mainly in burst length (persinger-burst-temporal-bilateral plays 0.69 s every 4 s), so Gillis's contrast cannot be reproduced unless their burst-firing arm ran without pauses, which is not published. Single lab, no independent replication, and the lab later reported better mood after weekly burst-firing (Tsang 2009), so the sign of the effect is not consistent. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on irritability, fear, headache or distress.
Aims at: left-amygdala, right-amygdala, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Gillis & Persinger 1993, Percept Mot Skills 76:168; Persinger 1999, Int J Psychophysiol 34:163 (burst-firing 1 s every 4 s, 5 uT); Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Granqvist 2005 replication: right Thomas, then bilateral burst-firingEstablished: Independently replicated, or consensus30 min, 5.0 µT
persinger-granqvist-2005-replication, layout: custom, Granqvist, Fredrikson, Unge, Hagenfeldt, Valind, Larhammar & Larsson 2005 (Swedish independent replication), with equipment and software (Complex v1.15) supplied by Stan Koren
A copy, for blinded self-tests, of the only fully specified independent double-blind test of the God Helmet: 15 min of the Thomas pattern over the right temporal lobe, then 15 min of burst-firing over both temporal lobes. With 89 participants (43 field, 46 unpowered helmet), Granqvist et al. found no effect of the field; absorption, temporal-lobe signs and a "new age" orientation predicted sensed presence and mystical experiences.
Setting: Blindfolded, seated in a small, quiet, dim room (the "sensory deprivation context" of Granqvist & Larsson 2006). A helper who does not know the condition gives the instructions and the questionnaire; the person who starts the session uses the app's Blind option, or assigns active or sham, and says nothing. Afterwards, before unblinding, rate a 20-item exit list of unusual sensations (felt a presence, tingling, dizzy or odd, ...) 0 = never, 1 = once, 2 = frequently.
Schedule: One session per person in the original (between groups). For a self-test, several Blind sessions at least a day apart, ratings recorded before the condition is revealed; fill in absorption and temporal-lobe-sign questionnaires on another day, well before (Persinger's lab gave its Personal Philosophy Inventory two to four months before exposure).
Coils: CH1 FT7, CH2 T7, CH5 FT8, CH6 T8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas pattern, right temporal lobe (15 min) | 15 | Point table of 849, 3 ms per point, 3 ms pause | Right side only |
| 2 | Burst-firing, both temporal lobes (15 min) | 15 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
Order and sides follow the replication record: the Thomas pattern over the right hemisphere, then burst-firing over both, 15 min each (Persinger's emails: "the 15 min of Thomas and 15 min of Burst"). Granqvist's letter: Complex v1.15 calibrated per its manual, total cycles set to 9000 "as instructed" (what the software counts as a cycle is not published), the program stopped with ctrl-alt-del after 15 min timed by a digital watch. Nature reports the fields "aimed just above and in front of the ears"; two coils per side at FT7, T7 and FT8, T8 is an inference (by Persinger's records Koren sent a 4-channel DAC010-V unit with right and left solenoids; the coil count per side is not published). Phase 1 drives only the right pair, phase 2 all four, all with the same polarity. Thomas: the exact 849-point patent table at 3 ms with 3 ms between passes (2.55 s per cycle, the Laurentian file as Buckner 2015 and Murugan 2013 describe it); that Koren's file was this table is an assumption. Burst-firing: the point values are unpublished, so the built-in accelerating burst (6 to 30 Hz) on 230 points of 3 ms (0.69 s; lab theses give 230, 248 or 289 points) once every 4 s stands in; the paper gives no interval, and 4 s follows Martin et al. 2004 (other lab studies used 3 s). The original field was 3-7 uT; 5 uT is this helmet's maximum. Persinger and Koren blamed the null result on (1) point timing distorted by an uncalibrated fast Windows computer, (2) 15 min instead of their 20-40 min per pattern, and (3) a small box without a blindfold; Granqvist replied that blindfolds were used and the room was about 2 m2. This firmware times every point on a fixed 0.5-ms clock, so objection 1 does not apply to this copy; the 15 + 15 min are kept to copy the test. By Persinger & Koren's own account, field and sham groups both scored M = 0.3, SD = 0.5 on sensed presence, their usual sham level; Gendle & McGrath 2012 also found no field effect. No medical claim; not for people with epilepsy; stop on fear or distress. The evidence rating refers to this independent test and its null result, not to a God Helmet effect.
Aims at: right-temporal-pole, right-superior-temporal-gyrus-posterior, right-amygdala, left-temporal-pole, left-superior-temporal-gyrus-posterior, left-amygdala (field on the brain)
Sources:Granqvist et al. 2005, Sensed presence and mystical experiences are predicted by suggestibility, not by the application of transcranial weak complex magnetic fields, Neurosci Lett 379:1-6; Khamsi 2004, Electrical brainstorms busted as source of ghosts, Nature news (43 exposed, 46 controls, 3-7 microT); Granqvist to Persinger, 5 Jan 2005 (Complex v1.15 calibration, 9000 cycles, 15 min, blindfolds, chamber about 2 m2); Persinger to Larhammar, 22 Nov 2004 (at least 20 and usually 30-40 min per pattern); Persinger to Larhammar, 22 Dec 2004 (Personal Philosophy Inventory given two to four months before); Persinger to Larhammar, 23 Dec 2004 (DAC010-V unit, right and left solenoids); Persinger & Koren, Response to Granqvist et al.; Persinger & Koren 2005, Neurosci Lett 380:346; Larsson, Larhammar, Fredrikson & Granqvist 2005, Neurosci Lett 380:348; Granqvist & Larsson 2006, J Psychol 140:319; US 6,234,953 B1, Table 1 (Thomas table); Buckner et al. 2015, PLoS ONE 10(4):e0124136 (849 points at 3 ms, 2.55 s per cycle); Murugan 2013, MSc thesis, Laurentian University (849-point Thomas pulse at 3 ms, 3 ms between repeats); Carniello 2020, PhD thesis, Laurentian University (burst-firing file: 230 points at 3 ms); Martin, Koren & Persinger 2004, Pharmacol Biochem Behav 78:217 (burst-firing once every ~4 s); Gendle & McGrath 2012, Percept Mot Skills 114:217
Koren boxes: 4-solenoid temporal burst-firing, 30 min (Tsang 2004 Shakti comparison)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-koren-boxes-tsang-2004, layout: custom, Persinger & Koren lab, Laurentian University ('Koren boxes'); compared with Shakti by Tsang, Koren & Persinger 2004
The lab's own arm of Tsang, Koren & Persinger 2004: four solenoids ('Koren boxes') with a burst-firing field through the temporal lobes, 30 min once a week for 4 weeks, compared with Murphy's sound-card Shakti and sham. The lab reported no QEEG difference between treatments except a high-alpha interaction due mainly to Shakti.
Setting: Seated or reclined, eyes closed, in a quiet, dark room (the lab's standard was a blindfold in an acoustic chamber). Record EEG before each session to compare with the paper.
Schedule: 30 min once a week on 4 successive weeks.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Koren boxes: burst-firing, both temporal lobes | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
Tsang, Koren & Persinger 2004 recorded QEEG over the left and right frontal, temporal, parietal and occipital lobes on 4 successive weeks in 12 subjects before each 30-min exposure to Shakti (Todd Murphy's device, driven from compact disc through a computer sound card), to "the set of 4 solenoids (Koren boxes) generating a burst-firing magnetic field through the temporal lobes", or to a sham field. Compared with baseline there were no treatment differences in delta, theta, low alpha, beta or gamma; a session-by-treatment interaction in high alpha (10.5-13 Hz) was "due primarily to the Shakti treatment", which the authors called "congruent with the subjective experiences reported by some users of the technology". Run the other arms as persinger-shakti-arm-tsang-2004 (or murphy-shakti-helmet-stereo) and sham. Approximations: the abstract gives no sites or field strength; two solenoids per side at T7, TP7 and T8, TP8, driven together, and 1 uT (the lab's usual human level) are inferences. The burst-firing point values were never published, so the built-in accelerating burst (6 to 30 Hz) stands in: 230 points of 3 ms (0.69 s, the best-supported of the lab's 230, 248 and 289-point lengths) once every 4 s. The same year the lab reported that rat analgesia appeared with a .wav file played through a telephone pick-up coil but not with a compact-disc source (Martin, Koren & Persinger 2004), its argument that playback timing, not the nominal waveform, matters; this helmet plays the points from its own 2-kHz sequencer. The exposure is the same as the bilateral-temporal arm of the lab's depression studies (persinger-tbi-depression-temporal). Source cautions: n = 12, one interaction among many comparisons, a single lab testing a commercial device associated with its own work; Gendle & McGrath 2012 later found no effect of the 8 Coil Shakti on emotional responses under sham control, and Granqvist 2005 found no field effect double-blind. Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, right-hippocampus-head (field on the brain)
Sources:Tsang, Koren & Persinger 2004, Int J Neurosci 114:1013 (Shakti vs Koren boxes); Martin, Koren & Persinger 2004, Int J Neurosci 114:1259 (.wav through a coil worked, compact disc did not); Murphy, Shakti Spiritual Technology & Koren Helmet - A Comparison; Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
LTP primed burst, both temporal lobes, 20 min (Persinger 1994)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-ltp-pleasantness-both, layout: custom, Persinger, Richards & Koren (Laurentian University), 1994 double-blind pleasantness study, bilateral arm
The bilateral arm of Persinger, Richards & Koren (1994): 20 min of the 1 uT 'LTP' pattern applied homogeneously over both temporal lobes, one of four double-blind arms (sham, right, left, both) in their study of 40 people.
Setting: Seated or reclined in a quiet, dark room with the eyes covered (the lab's standard: blindfold or opaque goggles in an acoustic chamber). Rate how pleasant the session was before unblinding.
Schedule: One 20-min session per person in the original (between-subjects). For a self-test, compare the four arms (right, left, both, sham) in blinded, counterbalanced order on separate days.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LTP primed burst, both temporal lobes | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | All coils together |
Persinger, Richards & Koren (1994) gave 40 people 20 min of 1 uT (10 mG) fields 'known to produce long-term potentiation within hippocampal slices', primarily over the right temporal lobe, the left, or both homogeneously, or a sham, under double-blind conditions. The lab reported that right-hemisphere recipients rated their experiences more pleasant than left-hemisphere recipients (eta = 0.51), and that ambient geomagnetic activity correlated negatively with pleasantness. The 1994 abstract gives no pattern timing. The lab later described its LTP pattern as 'a single pulse followed about 170 msec later by 4 pulses in rapid succession with a functional frequency of between 100 and 200 Hz' (Persinger 2010), and the Shiva software's version is a primed burst (Rose et al. 1988): positive-only 1-ms pulses, a primer, then 4 pulses 150 ms later (Corradini 2014, MA thesis). This file uses the project's primed-burst table with Corradini's 150 ms; the 10-ms spacing of the 4 pulses (100 Hz, the low end of Persinger's range) is an assumption. Delparte & Persinger (2007) describe the lab's fields as a '1 s pulse of 5 trains' and also call them theta-burst. Here the primed-burst table plays one 1-s pulse of 5 trains, then 4 s of silence, the interstimulus interval McKay & Persinger (2005) reported as optimal in rats (Delparte & Persinger used continuous, 5 s or 10 s). Timing and point values are reconstructions from these descriptions, not the lab file. Two coils per side, T8/TP8 and T7/TP7, approximate 'over the temporal lobe'; all four play in phase, as in the homogeneous bilateral arm. Calling a 1 uT field an 'LTP' stimulus is the lab's extrapolation from electrical current trains applied to brain slices, not a measurement. The pleasantness difference has not been independently replicated, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Use the app's Blind option for the sham arm. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on headache or distress.
Aims at: right-hippocampus-head, right-hippocampus-body, left-hippocampus-head, left-hippocampus-body, right-superior-temporal-gyrus-posterior, left-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger, Richards & Koren 1994, Differential ratings of pleasantness following right and left hemispheric application of low energy magnetic fields that stimulate long-term potentiation, Int J Neurosci 79:191-197; Corradini 2014, MA thesis, Laurentian University (LTP file: primer, then 4 pulses 150 ms later, 1-ms points, positive values); Persinger 2010, The Harribance effect as pervasive out-of-body experiences, NeuroQuantology 8(4):444-465 (LTP: a single pulse, then about 170 ms later 4 pulses at 100-200 Hz); Rose, Diamond, Pang & Dunwiddie 1988, Primed burst potentiation (as cited by Corradini 2014); Delparte & Persinger 2007, Int J Neurosci 117:295 (1 s pulse of 5 trains, continuous or with 5 s or 10 s ISI); McKay & Persinger 2005 (theta-burst, 200-500 nT, 4000 ms ISI); Richards, Persinger & Koren 1996, Electro- and Magnetobiology 15:141 (a 1 uT field structure that promotes long-term potentiation in hippocampal slices); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
LTP primed burst, left temporal lobe, 20 min (Persinger 1994)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-ltp-pleasantness-left, layout: custom, Persinger, Richards & Koren (Laurentian University), 1994 double-blind pleasantness study, left-hemisphere arm
The left-hemisphere arm of Persinger, Richards & Koren (1994): 20 min of the 1 uT 'LTP' pattern over the left temporal lobe. In their double-blind study of 40 people, this arm's experiences were rated less pleasant than the right arm's.
Setting: Seated or reclined in a quiet, dark room with the eyes covered (the lab's standard: blindfold or opaque goggles in an acoustic chamber). Rate how pleasant the session was before unblinding.
Schedule: One 20-min session per person in the original (between-subjects). For a self-test, compare the four arms (right, left, both, sham) in blinded, counterbalanced order on separate days.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | LTP primed burst, left temporal lobe | 20 | Point table of 1000, 1 ms per point, 4000 ms pause | Left side only |
Persinger, Richards & Koren (1994) gave 40 people 20 min of 1 uT (10 mG) fields 'known to produce long-term potentiation within hippocampal slices', primarily over the right temporal lobe, the left, or both homogeneously, or a sham, under double-blind conditions. The lab reported that right-hemisphere recipients rated their experiences more pleasant than left-hemisphere recipients (eta = 0.51), and that ambient geomagnetic activity correlated negatively with pleasantness. The 1994 abstract gives no pattern timing. The lab later described its LTP pattern as 'a single pulse followed about 170 msec later by 4 pulses in rapid succession with a functional frequency of between 100 and 200 Hz' (Persinger 2010), and the Shiva software's version is a primed burst (Rose et al. 1988): positive-only 1-ms pulses, a primer, then 4 pulses 150 ms later (Corradini 2014, MA thesis). This file uses the project's primed-burst table with Corradini's 150 ms; the 10-ms spacing of the 4 pulses (100 Hz, the low end of Persinger's range) is an assumption. Delparte & Persinger (2007) describe the lab's fields as a '1 s pulse of 5 trains' and also call them theta-burst. Here the primed-burst table plays one 1-s pulse of 5 trains, then 4 s of silence, the interstimulus interval McKay & Persinger (2005) reported as optimal in rats (Delparte & Persinger used continuous, 5 s or 10 s). Timing and point values are reconstructions from these descriptions, not the lab file. Two coils per side, T8/TP8 and T7/TP7, approximate 'over the temporal lobe'; only the left pair plays. Calling a 1 uT field an 'LTP' stimulus is the lab's extrapolation from electrical current trains applied to brain slices, not a measurement. The pleasantness difference has not been independently replicated, and independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Use the app's Blind option for the sham arm. Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop on headache or distress.
Aims at: left-hippocampus-head, left-hippocampus-body, left-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger, Richards & Koren 1994, Differential ratings of pleasantness following right and left hemispheric application of low energy magnetic fields that stimulate long-term potentiation, Int J Neurosci 79:191-197; Corradini 2014, MA thesis, Laurentian University (LTP file: primer, then 4 pulses 150 ms later, 1-ms points, positive values); Persinger 2010, The Harribance effect as pervasive out-of-body experiences, NeuroQuantology 8(4):444-465 (LTP: a single pulse, then about 170 ms later 4 pulses at 100-200 Hz); Rose, Diamond, Pang & Dunwiddie 1988, Primed burst potentiation (as cited by Corradini 2014); Delparte & Persinger 2007, Int J Neurosci 117:295 (1 s pulse of 5 trains, continuous or with 5 s or 10 s ISI); McKay & Persinger 2005 (theta-burst, 200-500 nT, 4000 ms ISI); Richards, Persinger & Koren 1996, Electro- and Magnetobiology 15:141 (a 1 uT field structure that promotes long-term potentiation in hippocampal slices); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Michaud & Persinger 1985: 5 Hz for 60 s during a 3-min storySingle lab: Published by one lab or group, not independently replicated3 min, 1.0 µT
persinger-michaud-1985-narrative-5hz, layout: custom, Michaud & Persinger 1985 (Laurentian University)
The lab's earliest narrative-memory test: while you listen to a 3-min story, a 5 Hz field runs at the side of the head for the first 60 s, then stops. Michaud & Persinger reported that people given 5 Hz during minute 1 or 2 later made about twice as many inferences about the first minute's material as the other groups; they proposed that such fields may not change the amount of recall but its details.
Setting: Seated, eyes closed, in a quiet room; start the 3-min story and the program together.
Schedule: One exposure per person in the original (between groups). For a self-test, use a new story each time and the app's Blind option, and have the retellings scored by someone who does not know the condition.
Coils: CH1 T7
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Minute 1 of the story: 5 Hz field (60 s) | 1 | 5 Hz sine, 1 ms points | Left side only |
| 2 | Minutes 2-3 of the story: no field | 2 | No output | Left side only |
The fields came from unnamed "commercial devices applied externally to the side of the head at the level of the temporal lobe"; the paper gives neither the side, the waveform nor the intensity. One coil at T7 (left) is an inference (T8 fits the wording as well); a smooth 5 Hz sine on 1-ms points and 1 uT, the lab's later standard, are assumptions. The field sits in minute 1 because the effect concerned minute-1 material; the paper's other arms put the 60 s in minute 2 or 3, or used 20 Hz or a sham, and the doubling was reported for 5 Hz in minute 1 or 2 only. The sample size is not given in the abstract. The fade-in is 2 s so the 60 s stay almost whole. You need a recorded 3-min story you have not heard; afterwards retell it in writing and count, per minute of the story, the direct recalls and the inferences (the paper used "discourse analyses"). Persinger's lab later argued that simple sine fields are not equivalent to its complex patterns (Richards, Persinger & Koren 1993). No independent group has tested this protocol. Independent double-blind tests of the lab's later God Helmet patterns found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy.
Aims at: left-superior-temporal-gyrus-posterior, left-primary-auditory-cortex (field on the brain)
Sources:Michaud & Persinger 1985, Geophysical variables and behavior: XXV. Alterations in memory for a narrative following application of theta frequency electromagnetic fields, Percept Mot Skills 60:416-418; Richards, Persinger & Koren 1993, Modification of activation and evaluation properties of narratives by weak complex magnetic field patterns that simulate limbic burst firing, Int J Neurosci 71:71-85; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Octopus ring: Thomas pulse, +20 ms per coil, clockwise (Cook 1999, Booth 2008)Single lab: Published by one lab or group, not independently replicated5 min, 5.0 µT
persinger-octopus-plus20-cw, layout: custom, Persinger & Koren lab, Laurentian University (circumcerebral 'Octopus': Cook 1999, Richards 2002, Booth 2008)
The clockwise comparison for Persinger's circumcerebral configuration: the frequency-modulated Thomas pulse rotated clockwise around a ring of 8 coils, staying 20 ms longer on each successive coil (100, 120 ... 240 ms). In the lab's reports clockwise rotation did not lengthen subjective time as counter-clockwise did (Cook 1999) and raised power over the left hemisphere (Booth 2008).
Setting: Seated, eyes closed, in a quiet, dim room (the lab used an acoustic chamber). For the original measures, estimate a 10-s interval afterwards or record EEG during the session.
Schedule: One 5-min session (2.5 min per pattern in Cook 1999); compare with the other direction on a separate day.
Coils: CH1 Fp1, CH2 FFT7, CH3 TP7, CH4 POO7, CH5 POO8, CH6 TP8, CH7 FFT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas pulse, CW ring, 100 -> 240 ms (+20 ms per coil) | 5 | Point table of 849, 3 ms per point | Rotating clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
This follows the verified reading of the papers: the effective configuration added 20 ms at each successive solenoid (Cook 1999: "Successive additions of 20 ms of the complex fields ... at each solenoid"; Richards 2002: "20-msec. rates of change"; Booth 2008: "20 ms rates of change"), not a fixed 20-ms dwell. The base duration at the first coil is 100 ms, the only base the lab pairs with a 20-ms change: Persinger, Koren & Tsang 2003 describe the same stimulus as "presented for 100 msec. with changes in rate of 20 msec. to each of the eight solenoids", and Table 1 of the Swann paper (Persinger, Roll, Tiller, Koren & Cook 2002) prints the lab's three rotation rates as base 20 ms with +2, base 100 ms with +20 and base 200 ms with -2. So the dwell grows 100, 120 ... 240 ms, one turn 1360 ms, which sits inside Cook's "about 200 and 2000 ms" for its three rotation durations (the same table's other two turns are 216 and 1544 ms). Persinger & Lavallee 2010 instead gloss the effective condition as '20+2' (20, 18 ... 6 ms, a 104-ms turn), the reading persinger-mood-rotated-burst-2009 uses; one of the two is wrong and the abstracts do not settle it. The full six-pattern batteries of these papers are already built as persinger-cook-1999-time-ccw and -cw (Cook's six 2.5-min patterns) and persinger-booth-2008-cw-ccw (the same six each way); this program isolates the single configuration the papers call most effective. Cook 1999 ran six patterns of 2.5 min each with three rotation rates at about 10 uT, counter-clockwise in one group and clockwise in the other; Richards 2002 ran six 5-10 uT configurations; Booth 2008 compared clockwise and counter-clockwise rotation of the same patterns; none documents a 20-30-min session. This program runs the one described configuration for 5 min (stop at 2.5 min to match Cook); run persinger-octopus-plus20-ccw on another day, blinded if possible, for the comparison. Approximations: the waveform is the Thomas pulse played from its exact table (849 points at 3 ms, one 2.55-s decelerating burst, repeating with no gap), because Saroka's dissertation says Cook used it; Richards and Booth do not name theirs. The Swann table pairs this rotation with a 2-ms point duration and a 1-ms gap between repeats; 3 ms is the point duration the lab's own descriptions of the Thomas file give, and the one used here, so the pattern runs half as fast as that table implies. The ring is 8 coils about 45 degrees apart on the 10% line with coil 1 over the left frontal region and coil 8 over the right prefrontal region, counter-clockwise seen from above (Persinger & Lavallee 2010): Fp1, FFT7, TP7, POO7, POO8, TP8, FFT8, Fp2, an inference since the lab gives no electrode names. The ramp starts at coil 1 in both directions, so here three of the four left-hemisphere coils get the longest dwells (200-240 ms) and in the counter-clockwise program the right ones do (180-240 ms); the papers do not say how their clockwise runs were sequenced, so direction and dwell asymmetry cannot be separated. Intensity: about 10 uT (Cook) or 5-10 uT (Richards) in the originals; 5 uT, this helmet's maximum, is the default (Lehman measured 1-5 uT inside each solenoid of the lab's ring). Directions are as seen from above. Single lab, no blinding or sham arm described in the abstracts, never independently replicated; subjective time estimates are easily swayed by expectation. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-tpj, left-superior-temporal-gyrus-posterior, left-temporal-pole (field on the brain)
Sources:Cook, Koren & Persinger 1999, Neurosci Lett 268:61; Richards, Koren & Persinger 2002, Percept Mot Skills 95:671; Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877 (the same rotation as 100 ms with 20-ms changes per solenoid); Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927, Table 1 (the lab's three base dwells and changes); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426; Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 used the Thomas pulse on the 'Octopus'); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785 (ring order and the '20+2' notation); Lehman 2016, PhD thesis, Laurentian University, pp. 56-57 (CCW standard, 1-5 uT inside each solenoid); Buckner et al. 2015, PLoS ONE 10:e0124136 (Thomas file: 849 points at 3 ms, 2.55 s); US 6,234,953 B1, Table 1 (Thomas pulse point values); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Octopus ring: Thomas pulse, +20 ms per coil, counter-clockwise (Cook 1999, Booth 2008)Single lab: Published by one lab or group, not independently replicated5 min, 5.0 µT
persinger-octopus-plus20-ccw, layout: custom, Persinger & Koren lab, Laurentian University (circumcerebral 'Octopus': Cook 1999, Richards 2002, Booth 2008)
The circumcerebral configuration Persinger's lab reported as most effective: the frequency-modulated Thomas pulse rotated counter-clockwise around a ring of 8 coils, staying 20 ms longer on each successive coil (100, 120 ... 240 ms). The lab reported that it lengthened subjective time compared with clockwise rotation (Cook 1999), raised theta power by about 30% (Richards 2002) and raised power over the right hemisphere (Booth 2008).
Setting: Seated, eyes closed, in a quiet, dim room (the lab used an acoustic chamber). For the original measures, estimate a 10-s interval afterwards or record EEG during the session.
Schedule: One 5-min session (2.5 min per pattern in Cook 1999); compare with the other direction on a separate day.
Coils: CH1 Fp1, CH2 FFT7, CH3 TP7, CH4 POO7, CH5 POO8, CH6 TP8, CH7 FFT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas pulse, CCW ring, 100 -> 240 ms (+20 ms per coil) | 5 | Point table of 849, 3 ms per point | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
This follows the verified reading of the papers: the effective configuration added 20 ms at each successive solenoid (Cook 1999: "Successive additions of 20 ms of the complex fields ... at each solenoid"; Richards 2002: "20-msec. rates of change"; Booth 2008: "20 ms rates of change"), not a fixed 20-ms dwell. The base duration at the first coil is 100 ms, the only base the lab pairs with a 20-ms change: Persinger, Koren & Tsang 2003 describe the same stimulus as "presented for 100 msec. with changes in rate of 20 msec. to each of the eight solenoids", and Table 1 of the Swann paper (Persinger, Roll, Tiller, Koren & Cook 2002) prints the lab's three rotation rates as base 20 ms with +2, base 100 ms with +20 and base 200 ms with -2. So the dwell grows 100, 120 ... 240 ms, one turn 1360 ms, which sits inside Cook's "about 200 and 2000 ms" for its three rotation durations (the same table's other two turns are 216 and 1544 ms). Persinger & Lavallee 2010 instead gloss the effective condition as '20+2' (20, 18 ... 6 ms, a 104-ms turn), the reading persinger-mood-rotated-burst-2009 uses; one of the two is wrong and the abstracts do not settle it. The full six-pattern batteries of these papers are already built as persinger-cook-1999-time-ccw and -cw (Cook's six 2.5-min patterns) and persinger-booth-2008-cw-ccw (the same six each way); this program isolates the single configuration the papers call most effective. Cook 1999 ran six patterns of 2.5 min each with three rotation rates at about 10 uT, counter-clockwise in one group and clockwise in the other; Richards 2002 ran six 5-10 uT configurations; Booth 2008 compared clockwise and counter-clockwise rotation of the same patterns; none documents a 20-30-min session. This program runs the one described configuration for 5 min (stop at 2.5 min to match Cook); run persinger-octopus-plus20-cw on another day, blinded if possible, for the comparison. Approximations: the waveform is the Thomas pulse played from its exact table (849 points at 3 ms, one 2.55-s decelerating burst, repeating with no gap), because Saroka's dissertation says Cook used it; Richards and Booth do not name theirs. The Swann table pairs this rotation with a 2-ms point duration and a 1-ms gap between repeats; 3 ms is the point duration the lab's own descriptions of the Thomas file give, and the one used here, so the pattern runs half as fast as that table implies. The ring is 8 coils about 45 degrees apart on the 10% line with coil 1 over the left frontal region and coil 8 over the right prefrontal region, counter-clockwise seen from above (Persinger & Lavallee 2010): Fp1, FFT7, TP7, POO7, POO8, TP8, FFT8, Fp2, an inference since the lab gives no electrode names. The ramp starts at coil 1 in both directions, so here the right-hemisphere coils get the longer dwells (180-240 ms) and in the clockwise program the left ones do; the papers do not say how their clockwise runs were sequenced, so direction and dwell asymmetry cannot be separated. Intensity: about 10 uT (Cook) or 5-10 uT (Richards) in the originals; 5 uT, this helmet's maximum, is the default (Lehman measured 1-5 uT inside each solenoid of the lab's ring). Directions are as seen from above. Single lab, no blinding or sham arm described in the abstracts, never independently replicated; subjective time estimates are easily swayed by expectation. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-tpj, right-superior-temporal-gyrus-posterior, right-temporal-pole (field on the brain)
Sources:Cook, Koren & Persinger 1999, Neurosci Lett 268:61; Richards, Koren & Persinger 2002, Percept Mot Skills 95:671; Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877 (the same rotation as 100 ms with 20-ms changes per solenoid); Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927, Table 1 (the lab's three base dwells and changes); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426; Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 used the Thomas pulse on the 'Octopus'); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785 (ring order and the '20+2' notation); Lehman 2016, PhD thesis, Laurentian University, pp. 56-57 (CCW standard, 1-5 uT inside each solenoid); Buckner et al. 2015, PLoS ONE 10:e0124136 (Thomas file: 849 points at 3 ms, 2.55 s); US 6,234,953 B1, Table 1 (Thomas pulse point values); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Persinger & Makarec 1987: 4 Hz field as a cue in card guessingAnecdote: Personal reports only20 min, 1.0 µT
persinger-makarec-1987-4hz-cue, layout: custom, Persinger & Makarec 1987 (Laurentian University), single-subject case study
Zener-card guessing with a field cue: 40 trials of 30 s, with a 4 Hz field at both temporal lobes during the 15 s before each target card only (8 of the 40 trials here). In Persinger & Makarec's single subject, guesses stayed systematically above chance (about 50% against 20%) only when the 4 Hz field preceded the target, which they read as the field becoming a learned cue; they also saw habituation.
Setting: The subject sits facing the card display in a quiet room; the helper sits out of view with the app. Score hits on cued and uncued trials separately.
Schedule: The original ran 17 sessions of 40 trials with one subject. Score each session, and include some Blind (possibly sham) sessions: with no field, cued trials should stay at chance.
Coils: CH1 T7, CH5 T8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Trials 1-3: no field | 1.5 | No output | All coils together |
| 2 | Trial 4: 4 Hz cue before the target card, then trials 5-8 | 2.5 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 3 | Trial 9: 4 Hz cue before the target card, then trial 10 | 1 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 4 | Trial 11: 4 Hz cue before the target card, then trials 12-16 | 3 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 5 | Trial 17: 4 Hz cue before the target card, then trials 18-21 | 2.5 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 6 | Trial 22: 4 Hz cue before the target card, then trials 23-27 | 3 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 7 | Trial 28: 4 Hz cue before the target card, then trials 29-30 | 1.5 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 8 | Trial 31: 4 Hz cue before the target card, then trials 32-36 | 3 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
| 9 | Trial 37: 4 Hz cue before the target card, then trials 38-40 | 2 | Sweep 4 → 4 Hz over 15 s, 300 s pause | All coils together |
Cards were shown "for 15 sec. every 30 sec.", with the field in "the 15 sec. before the presentation of one of the symbols (target)": so each trial is 15 s without a card, then 15 s with the card shown. When the subject guessed is not stated; here the guess falls in the first 15 s. A helper keeps the 30-s clock from the program start and shows the cards: one target symbol, chosen once, right after each 15-s field, and any of the other four symbols on all other trials. The eight cue trials (4, 9, 11, 17, 22, 28, 31, 37) are a project choice, one in five as for one of five symbols in random order; the paper gives neither their number nor their order. The phase names tell the helper, so keep the app out of the subject's sight; before starting the program, run 0-4 extra uncued trials (a new random number each session) so the cue positions cannot be learned. The paper also used 1 Hz and 7 Hz fields, which did not work as cues. Its "specific 4-Hz pattern" is not described, so a 4 Hz sine on 1-ms points, gated to 15 s (a chirp from 4 to 4 Hz), stands in for it. The field was "in the order of milligauss"; 1 uT (10 mG) is used. T7 and T8 render "bilaterally at the level of the temporal lobes" (an inference). One subject with "temporal lobe lability", 17 sessions, no blinding reported, no replication. A field can also be noticed through coil sound, so mask it. Independent double-blind tests of the lab's later God Helmet patterns found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Persinger & Makarec 1987, Possible learned detection of exogenous brain frequency electromagnetic fields: a case study, Percept Mot Skills 65:444-446; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Persinger lab: burst-firing through both temporal lobes (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-burst-temporal-bilateral, layout: custom, Laurentian University Behavioural Neuroscience Laboratory (Persinger, Koren, Richards)
The Persinger lab's workhorse exposure: its amygdala-derived 'burst-firing' pattern through both temporal lobes at 1 uT for 20 min, here 230 points of 3 ms (0.69 s) once every 4 s because the point values were never published. The lab reported more pleasant narratives with it (Richards 1993) but also more aggression and less trust after three weekly sessions (Gillis 1993), and it stands in for the 'both hemispheres' arm of the lab's suggestibility and sensed-presence studies (Healey 1996; Persinger & Healey 2002).
Setting: Blindfolded or with opaque goggles, reclining in a quiet, dark room (the lab used a grounded acoustic chamber of 2.74 x 2.54 x 1.98 m and asked people to notice whatever happens without labelling it).
Schedule: One 20-min exposure; Gillis & Persinger gave three, one week apart. At most once a week.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing, both temporal lobes | 20 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
The papers describe 1-uT (10 mG) fields 'through the temporal planes' or 'along the temporal plane', both sides at once, for 20 min (Gillis 1993; Healey 1996; Persinger & Healey 2002, there 100 nT-1 uT 'equally across both hemispheres' and no named pattern, so burst-firing for that arm is an assumption); Freeman 1996 ran 30 min, and Richards 1993 applied the field only 'briefly' while people told stories. The lab never gave 10-20 positions for its solenoids; two coils per side at T7/TP7 and T8/TP8 (like the four-solenoid 'Koren boxes') are an inference from 'temporal planes' and 'temporoparietal', and the other four channels stay silent. The lab's burst-firing point values were never published; the built-in accelerating burst (6 to 30 Hz) stands in, with the file's published length, 230 points of 3 ms (0.69 s; Carniello 2020; other theses give 248 or 289), once every 4 s (the lab's rat analgesia work, Martin & Persinger 2004, and Collins 2014's Shiva study; Persinger, Hoang & Baker-Price 2009 give 'once every 3 s for about 0.7 s'). The spacing in the 1990s studies is not published: Gillis & Persinger's comparison arm was a field 'pulsed (1 sec. every 4 sec.)' that did not raise aggression, and their title contrasts 'pulsed vs continuous' fields, so their burst-firing arm may have run without pauses (see persinger-gillis-1993-pulsed-bilateral). The reported effects are single-lab, small-n and not consistent in sign: more aggression and less trust after 3 weekly 20-min sessions (Gillis 1993), better mood and vigour after 3 weekly 20-min sessions of rotated burst-firing (Tsang 2009), irritability when the session was repeatedly interrupted by questions (Freeman 1996). Compare blind with persinger-healey-burst-right, persinger-healey-burst-left and sham (the app's Blind option). Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: left-amygdala, right-amygdala, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Richards, Persinger & Koren 1993, Int J Neurosci 71:71; Gillis & Persinger 1993, Percept Mot Skills 76:168; Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Persinger & Healey 2002, J Nerv Ment Dis 190:533; Freeman & Persinger 1996, Percept Mot Skills 82:639; Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Tsang, Koren & Persinger 2004, Int J Neurosci 114:1013 ('the set of 4 solenoids (Koren boxes)'); Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Murugan 2013, thesis, Laurentian University, pp. 44-45 (248-point burst-x, 849-point Thomas pulse, 3-ms points); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University, p. 31 (289 points, 3 ms, 4000 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Persinger & Koren, Response to Granqvist et al. (chamber, blindfold, instructions; archived); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Shakti arm of Tsang 2004 with coil polarity (amygdala left, LTP right, 30 min)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-shakti-arm-tsang-2004, layout: custom, Todd Murphy (Shakti, sound-card driven); tested by Tsang, Koren & Persinger 2004
The Shakti arm of Tsang, Koren & Persinger 2004, rebuilt with the vendor's coil polarity: three coils per side (positive over the temporal lobe, reversed over the frontal and parietal lobes), the amygdala burst-firing signal on the left and the hippocampal signal on the right together, 30 min once a week for 4 weeks. The lab reported no treatment differences in delta, theta, low alpha, beta or gamma, and a session-by-treatment interaction in high alpha due mainly to Shakti.
Setting: Seated or reclined, eyes closed, in a quiet, dark room. Record EEG before each session to compare with the paper.
Schedule: 30 min once a week on 4 successive weeks.
Coils: CH1 F3, CH2 T7, CH3 P3, CH5 F4, CH6 T8, CH7 P4
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Stereo: amygdala left + LTP right, -/+/- coils | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points + Point table of 1000, 1 ms per point, 3000 ms pause | Left side only, weighted + Right side only, weighted |
How it differs from murphy-shakti-helmet-stereo, the other rebuild of this arm: (1) the vendor's comparison page puts a positive ('north') coil over the temporal lobe and a negative ('south') one over the frontal lobe on each side, plus a parietal coil, reproduced here with weights -1 (that program drives all coils with one polarity); the parietal coil's polarity is not confirmed in the research and is driven negative, as 'one positive and two negative coils' per side in the vendor description quoted by that program; (2) the hippocampal signal is the primed burst described for the Persinger-lab 'LTP' file instead of Larson & Lynch theta bursts; (3) the sites are F3, T7, P3 and F4, T8, P4 instead of F7, T7, CP5 and F8, T8, CP6 (both are inferences from 'frontal, temporal and parietal'; CH4 and CH8 stay unused). Per the vendor page the amygdala-derived signal runs on the left and the hippocampal one on the right; here they play at the same time, with no rotation (the stereo reading murphy-shakti-helmet-stereo also uses). Both Shakti files are proprietary: the amygdala 'burstx' signal is the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s); the hippocampal signal is five primed bursts in 1 s (a 1-ms primer, then 4 pulses at 100 Hz from 150 ms later; Corradini 2014, Delparte & Persinger 2007; the 10-ms spacing is the 100 Hz end of the lab's "4 pulses ... between 100 and 200 Hz", which also puts the primer gap near 170 ms rather than 150 ms, Persinger 2010). Both start together every 4 s; the vendor's exact gaps are not in the research. Tsang, Koren & Persinger 2004 recorded QEEG over the left and right frontal, temporal, parietal and occipital lobes on 4 successive weeks in 12 subjects before each 30-min exposure to Shakti (Todd Murphy's device, driven from compact disc through a computer sound card), to "the set of 4 solenoids (Koren boxes) generating a burst-firing magnetic field through the temporal lobes", or to a sham field. Compared with baseline there were no treatment differences in delta, theta, low alpha, beta or gamma; a session-by-treatment interaction in high alpha (10.5-13 Hz) was "due primarily to the Shakti treatment", which the authors called "congruent with the subjective experiences reported by some users of the technology". The lab's own arm is persinger-koren-boxes-tsang-2004; run sham for the third arm. Source cautions: n = 12, one interaction among many comparisons, a single lab testing a commercial device associated with its own work; Gendle & McGrath 2012 later found no effect of the 8 Coil Shakti on emotional responses under sham control, and Granqvist 2005 found no field effect double-blind. Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Tsang, Koren & Persinger 2004, Int J Neurosci 114:1013 (Shakti vs Koren boxes); Murphy, Shakti Spiritual Technology & Koren Helmet - A Comparison; Corradini 2014, MA thesis, Laurentian University (primed-burst LTP file); Delparte & Persinger 2007, Int J Neurosci 117:295 ('1 s pulse of 5 trains'); Persinger 2010, NeuroQuantology 8(4):444 (the LTP pattern: a primer then 4 pulses about 170 ms later at 100-200 Hz); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Martin, Koren & Persinger 2004, Int J Neurosci 114:1259 (.wav through a coil worked, compact disc did not); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Six circumcerebral configurations, CCW (Richards 2002, 2008 table)Single lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
persinger-six-config-battery-2008, layout: custom, Persinger lab, Laurentian University (Richards, Koren & Persinger 2002; parameter table in Persinger, Tsang, Booth & Koren 2008)
The lab's 30-min circumcerebral session: three burst-firing and three frequency-modulated (Thomas) configurations, 5 min each, rotated counter-clockwise through eight coils around the head with the point durations, gaps and per-coil timing of the 2008 parameter table. Persinger's lab reported about 30 % more theta power with the configuration using 20-ms rates of change, and 20 % more right- than left-hemisphere 5.0-5.9 Hz power with all six (Richards, Koren & Persinger 2002).
Setting: Seated and blindfolded in a quiet, dark room (the lab used an acoustic chamber, subject facing south). Record EEG before, during and after if you want to check the theta claim.
Schedule: One 30-min session in the original. For a self-test, compare it with a blinded sham session (the app's Blind option) on another day, with the EEG measure chosen in advance.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | BF1 burst 1 ms pts, 1 ms gap, 20->34 ms/coil (+2) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 20 → 34 ms per coil (+2 ms steps) |
| 2 | BF2 burst 1 ms pts, 2 ms gap, 100->240 ms/coil (+20) | 5 | Accelerating burst 18 → 90 Hz, 0.23 s on, 0 s off, 1 ms points | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 3 | BF3 burst 3 ms pts, 3 s gap, 200->186 ms/coil (-2) | 5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3 s off, 3 ms points | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
| 4 | FM1 Thomas 1 ms pts, 1 ms gap, 20->6 ms/coil (-2) | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
| 5 | FM2 Thomas 2 ms pts, 1 ms gap, 100->240 ms/coil (+20) | 5 | Point table of 849, 2 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
| 6 | FM3 Thomas 3 ms pts, 3 s gap, 200->186 ms/coil (-2) | 5 | Point table of 849, 3 ms per point, 3000 ms pause | Rotating counter-clockwise around all coils, 200 → 186 ms per coil (-2 ms steps) |
The table (point duration, gap between pattern repeats, time on coil 1, change per coil) is from Persinger, Tsang, Booth & Koren 2008, which says it reuses Richards 2002's six configurations; the research could not open that paper, so the numbers are unverified. The signs are read literally, + longer and - shorter at each next coil: BF1 runs 20 to 34 ms, the +20 rows 100 to 240 ms, the 200-ms rows 200 to 186 ms and FM1, printed -2, 20 to 6 ms, the field the lab's papers call "20+2" and reported effective in its paired studies. Persinger & Lavallee 2010 use "+" to mean shorter, which would give 20 to 6 ms for BF1, 20 to 34 ms for FM1 and 200 to 214 ms for the 200-ms rows; the literal reading was chosen because the +20 rows cannot shorten seven times from 100 ms, Cook 1999's full turns of about 200 to 2000 ms fit it better (216 ms per turn at 20 to 34 ms, 104 ms at 20 to 6 ms), and the Koren software patent (US 6,312,376) uses the plain sign. The schedule the lab actually ran was never published. Richards' "20-msec rates of change" probably means the +20 rows (100 to 240 ms); the abstract does not say which (circumcerebral-theta runs that configuration alone). Half of the 2008 subjects got the six in reverse order. The Thomas pulse is the exact 849-point table; the burst-firing values were never published, so the built-in accelerating burst stands in (230 points; at 1 ms per point it plays three times faster). Coil 1 left frontal, coil 8 right prefrontal (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2. Richards used 5-10 uT (default 5 uT, this helmet's limit); in the 2008 paired study the ring gave about 0.5 uT at its centre and 1.5 uT near the coils, with an unexposed partner in another room. military-p06-persinger-swann-1998 runs the Swann paper's version of this table (other point durations, +2 on the first Thomas row, synthetic Thomas sweep, Fpz-Oz ring). Single-lab EEG results, never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-temporal-pole (field on the brain)
Sources:Richards, Koren & Persinger 2002, Circumcerebral application of weak complex magnetic fields with derivatives and changes in electroencephalographic power spectra within the theta range, Percept Mot Skills 95:671-686; Persinger, Tsang, Booth & Koren 2008, NeuroQuantology 6(1):7-21, Table 1, doi:10.14704/nq.2008.6.1.151 (no reachable copy found); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Lehman 2016, PhD thesis, Laurentian University ("20-2" = 20, 22 ... 34 ms); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877-894; Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436 (clockwise vs counter-clockwise); Persinger, Roll, Tiller, Koren & Cook 2002, Percept Mot Skills 94:927-949 (Table 1, six configurations); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4) (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Sleep-spindle entrainment: burst-firing every 3 s in Stage 2 sleepAnecdote: Personal reports only60 min, 1.0 µT
persinger-sleep-spindle-burst-2009, layout: custom, Persinger, Hoang & Baker-Price 2009 (Laurentian University), one patient
A 1 uT burst-firing field for about 0.7 s once every 3 s, across both temporoparietal regions during light (Stage 2) sleep. In one patient with epileptic-like experiences after a head injury, Persinger's lab reported that sleep-spindle onsets correlated weakly (rho 0.30-0.40) with the field onsets.
Setting: In bed at your usual bedtime, lights out; ideally with an EEG headband that records sleep spindles.
Schedule: A single recording night in the original; no schedule was published. Compare with Blind (possibly sham) nights.
Coils: CH1 TP7, CH5 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Falling asleep: no field (15 min) | 15 | No output | All coils together |
| 2 | Burst-firing 0.69 s every 3 s, both temporoparietal | 45 | Accelerating burst 6 → 30 Hz, 0.69 s on, 2.31 s off, 3 ms points | All coils together |
"Once every 3 s for about 0.7 s" is the most exact on-time published for burst-firing in a human study (Persinger 1999 gives a rounder "1 s every 4 s"). Its point values are unpublished, so the built-in accelerating burst (6 to 30 Hz) on 230 points of 3 ms (0.69 s, the length in Carniello 2020) stands in, followed by 2.31 s of silence. "Transcerebrally through the temporoparietal regions" is mapped to TP7 and TP8, driven together (an inference). The field ran while the patient's EEG showed Stage 2 sleep, and the abstract gives no exposure length; here 15 min without field for falling asleep precede 45 min of field, an approximation of when Stage 2 usually begins. Without an EEG you cannot know your sleep stage, and the spindle correlation can only be checked with one (the paper recorded over prefrontal and temporal sites). One patient with an abnormal EEG, no sham, correlational; lag/lead analyses found only the simultaneous relation, and the authors conclude only that such patients "may be more sensitive to entrainment". Independent double-blind tests of the lab's later God Helmet patterns found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not a sleep treatment. Not for people with epilepsy or a seizure history; make sure the helmet is comfortable to lie on.
Aims at: left-tpj, right-tpj (field on the brain)
Sources:Persinger, Hoang & Baker-Price 2009, Entrainment of stage 2 sleep spindles by weak, transcerebral magnetic stimulation in an "epileptic" woman, Electromagn Biol Med 28:374-382; Carniello 2020, PhD thesis, Laurentian University (burst-firing file: 230 points at 3 ms); Persinger 1999, Int J Psychophysiol 34:163-169 (burst-firing 1 s every 4 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Tiller & Persinger 1994: left then right temporal lobe (15 min)Single lab: Published by one lab or group, not independently replicated15 min, 1.0 µT
persinger-tiller-1994-left-then-right, layout: custom, Tiller & Persinger 1994 (Laurentian University), comparison order
Fifteen minutes of a weak (1 uT) pulsed field over the temporal lobes, the left side first and then the right, here as burst-firing in two 7.5-min halves: the comparison order of Tiller & Persinger 1994, who reported raised hypnotic-induction-profile scores only when the right hemisphere came first, not in this order.
Setting: Partial sensory deprivation: blindfold or opaque goggles, reclining in a quiet, darkened room. Take a standard hypnotic-susceptibility scale before and after (the lab used Spiegel's Hypnotic Induction Profile), scored by someone who does not know the order.
Schedule: One 15-min session; at most once a week. Run both orders and a sham in blinded, counterbalanced order.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Left temporal lobe, burst-firing (first 7.5 min) | 7.5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Left side only |
| 2 | Right temporal lobe, burst-firing (last 7.5 min) | 7.5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Right side only |
Tiller & Persinger gave 'brief (15 min) exposures to weak (1 microT) pulsed magnetic fields over the temporal lobes' in one of two hemispheric orders and measured hypnotizability before and after; only the right-first order raised the scores. This file is the left-first order and persinger-tiller-1994-right-then-left the other. The abstract neither says how the 15 min were split nor names the pattern: equal halves are an assumption (another reading is 15 min per side), and burst-firing stands in for 'pulsed' because the lab's next suggestibility study, Healey, Persinger & Koren 1996, applied burst-firing over the right side and called itself 'a replication'. The burst-firing point values were never published; the built-in accelerating burst (6 to 30 Hz) plays 230 points of 3 ms (0.69 s; Carniello 2020) once every 4 s (Collins 2014; Persinger, Hoang & Baker-Price 2009 give 'once every 3 s for about 0.7 s'). Two coils per side, T7/TP7 and T8/TP8, are an inference from 'over the temporal lobes'; the switch between sides is abrupt. A field that raises suggestibility would confound every unblinded session of this kind; the effect has not been replicated outside the lab, and in Granqvist 2005 suggestibility traits, not the field, predicted the reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: left-tpj, left-superior-temporal-gyrus-posterior, right-tpj, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Tiller & Persinger 1994, Int J Neurosci 79:157; Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University, p. 31 (289 points, 3 ms, 4000 ms); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Tiller & Persinger 1994: right then left temporal lobe (15 min)Single lab: Published by one lab or group, not independently replicated15 min, 1.0 µT
persinger-tiller-1994-right-then-left, layout: custom, Tiller & Persinger 1994 (Laurentian University)
Fifteen minutes of a weak (1 uT) pulsed field over the temporal lobes, the right side first and then the left, here as burst-firing in two 7.5-min halves. Tiller & Persinger 1994 reported raised hypnotic-induction-profile scores only in people whose right hemisphere was stimulated first (an effect size equivalent to r = 0.41).
Setting: Partial sensory deprivation: blindfold or opaque goggles, reclining in a quiet, darkened room. Take a standard hypnotic-susceptibility scale before and after (the lab used Spiegel's Hypnotic Induction Profile), scored by someone who does not know the order.
Schedule: One 15-min session; at most once a week. Run both orders and a sham in blinded, counterbalanced order.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Right temporal lobe, burst-firing (first 7.5 min) | 7.5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Right side only |
| 2 | Left temporal lobe, burst-firing (last 7.5 min) | 7.5 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Left side only |
Tiller & Persinger gave 'brief (15 min) exposures to weak (1 microT) pulsed magnetic fields over the temporal lobes' in one of two hemispheric orders and measured hypnotizability before and after; only the right-first order raised the scores. This file is the right-first order and persinger-tiller-1994-left-then-right the other. The abstract neither says how the 15 min were split nor names the pattern: equal halves are an assumption (another reading is 15 min per side), and burst-firing stands in for 'pulsed' because the lab's next suggestibility study, Healey, Persinger & Koren 1996, applied burst-firing over the right side and called itself 'a replication'. The burst-firing point values were never published; the built-in accelerating burst (6 to 30 Hz) plays 230 points of 3 ms (0.69 s; Carniello 2020) once every 4 s (Collins 2014; Persinger, Hoang & Baker-Price 2009 give 'once every 3 s for about 0.7 s'). Two coils per side, T7/TP7 and T8/TP8, are an inference from 'over the temporal lobes'; the switch between sides is abrupt. A field that raises suggestibility would confound every unblinded session of this kind; the effect has not been replicated outside the lab, and in Granqvist 2005 suggestibility traits, not the field, predicted the reports. Independent double-blind tests found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history, implanted devices or pregnancy; stop at once on fear, headache or distress.
Aims at: right-tpj, right-superior-temporal-gyrus-posterior, left-tpj, left-superior-temporal-gyrus-posterior (field on the brain)
Sources:Tiller & Persinger 1994, Int J Neurosci 79:157; Healey, Persinger & Koren 1996, Int J Neurosci 87:201; Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points); Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University, p. 31 (289 points, 3 ms, 4000 ms); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Tinoco & Ortiz 2014: independent 8-coil 'God Helmet' rebuild, 100 Hz figure-eight (20 min)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-tinoco-ortiz-2014-replication, layout: custom, Carlos A. Tinoco & Joao P. L. Ortiz, Integrated Center for Experimental Research, Curitiba, Brazil (independent of Persinger's lab)
A published rebuild of the God Helmet by a group unconnected to Persinger's lab: 100 Hz pulses for 20 min, one yoked left-right coil pair at a time, stepping every 250 ms in a figure-eight over four coils per temporal lobe. The authors reported 'spiritual experiences' in some volunteers, but field and sham groups differed only in the wording of their post-session reports, not during the sessions.
Setting: Seated in a comfortable chair with a blindfold, told only that it is a 'God Helmet' session. In the last 2 minutes, ask about sights, sounds, touch, smells, tastes and emotions, and record the answers for blind scoring.
Schedule: One 20-min session per person; the originals ran in the afternoon (14:00-18:00) on three days with a K index of 0-2.
Coils: CH1 TP7h, CH2 T7h, CH3 TP9h, CH4 T9h, CH5 TP8h, CH6 T8h, CH7 TP10h, CH8 T10h
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 100 Hz pulses, yoked pairs, figure-eight, 250 ms per coil | 20 | 5 ms pulses, 5 ms gaps | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 250 ms per coil |
The authors say this is not a Persinger pattern: lacking the burst-firing and 'chirp' files, they used 'simple' 100 Hz pulses from a home-built oscillator and a 4017 Johnson decade counter to test moving weak fields. Per side, four coils in a 2 x 2 grid (their Figure 2; the text also calls the layout 'cross-shaped'); the active coil changes every 250 ms: posterior then anterior superior, posterior then anterior inferior, a figure-eight of 1000 ms, the same on both sides with contralateral coils yoked, so the dorsal and ventral pairs get 500 ms each in turn. The paper gives no electrode positions, only 'above the temporal-parietal region' and helmet holes about 8 cm across at the height of the temporal lobes; TP7h, T7h (upper) and TP9h, T9h (lower), about 3 x 4 cm apart, and their right mirrors are an inference. The coils (500 turns of 26 AWG on ferrite rods) were driven through a DC current amplifier, so the pulses have one polarity; the duty cycle is not stated, so 5 ms on and 5 ms off is used. The circuit drawings do not show how the 100 Hz pulses and the 250-ms steps were combined; this follows the text. Field strength is inconsistent within the paper: 'RMS peaks of 0.000001 Tesla (10 mG)' in the methods, '0.0001 Tesla (10 mG)' in the abstract, and a build note whose measured current is said to give 0.001 uT; 1 uT (10 mG) is used. Design: 10 field and 10 sham (zero-amplitude) subjects, blindfolded, 20 min, questioned in the last 2 min, told they were in a 'God Helmet' experiment to plant a suggestion; their reports were scored with Whissell's Dictionary of Affect in Language. What field and sham subjects said during the session did not differ; the differences were in post-session wording, with p < .10 as the criterion for part of the analysis. Experimenter blinding is not reported, the journal is outside the mainstream literature, and the authors call it a partial replication. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Run it against sham with the app's Blind option. Not for people with epilepsy or a seizure history; stop on distress.
Aims at: left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior, left-tpj, right-tpj (field on the brain)
Sources:Tinoco & Ortiz 2014, Magnetic stimulation of the temporal cortex: a partial 'God Helmet' replication study, J Conscious Explor Res 5(3):234-257; Wikipedia, God helmet (the only direct replication by a group unconnected to Persinger's lab); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Tsang 2004: 25->11 ms CCW rotation, Thomas pulse (gamma)Single lab: Published by one lab or group, not independently replicated5 min, 1.0 µT
persinger-tsang-2004-gamma-thomas, layout: custom, Tsang, Koren & Persinger 2004 (Laurentian University), circumcerebral "Octopus" ring
The one configuration of Tsang, Koren & Persinger 2004 reported as effective: a counter-clockwise rotation through eight coils around the head, 25 ms on the first coil and 2 ms less on each of the next seven (last 11 ms, one turn 144 ms), for 5 min. Persinger's lab reported more 35-45 Hz power over frontal and occipital, but not parietal or temporal, regions in 11 people.
Setting: Seated, eyes closed, in a quiet, dim room. To check the gamma claim, record EEG over frontal and occipital sites and take a 20-s sample 2.5 min in.
Schedule: One 5-min exposure, as one configuration of the original; compare it with a blinded sham session on another day.
Coils: CH1 Fp1, CH2 FT7, CH3 TP7, CH4 O1, CH5 O2, CH6 TP8, CH7 FT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | CCW 25->11 ms per coil (lab "25+2"), Thomas 3 ms | 5 | Point table of 849, 3 ms per point | Rotating counter-clockwise around all coils, 25 → 11 ms per coil (-2 ms steps) |
The abstract gives the rotation, 5 min per configuration and an EEG sample after 2.5 min, but not the waveform ("pulsed magnetic fields"), the intensity or the other five configurations of the 30-min battery. The lab's 2010 review describes the rotated field as its frequency-modulated pattern, and Saroka (2016) names the Thomas pulse as the pattern rotated in Cook 1999, so the exact 849-point Thomas table plays here at 3 ms per point (2.55 s per cycle); that choice is an inference. The abstract's "+2 ms acceleration" means 2 ms shorter, the lab's "25+2" ([25, -2, 11]). Coil 1 left frontal, coil 8 right prefrontal (Persinger & Lavallee 2010): Fp1, FT7, TP7, O1, O2, TP8, FT8, Fp2. The default of 1 uT follows the same authors' sibling study ("1 microTesla range"; Persinger, Koren & Tsang 2003); Cook 1999 and Richards 2002 used 5-10 uT. circumcerebral-gamma runs the same rotation with a synthetic burst on an Fpz-Oz ring. Scalp gamma is easily swamped by muscle and stimulation artefacts, which the paper does not say it removed, and one positive result among six conditions in 11 people may be chance. Single-lab, never independently replicated. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: vmpfc, lateral-orbitofrontal-cortex, primary-visual-cortex (field on the brain)
Sources:Tsang, Koren & Persinger 2004, Power increases within the gamma range over the frontal and occipital regions during acute exposures to cerebrally counterclockwise rotating magnetic fields with specific derivatives of change, Int J Neurosci 114:1183-1193; Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877-894 (six 5-min ring configurations, 1 microTesla range); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (20+2 notation; coil 1 left frontal, coil 8 right prefrontal); Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 rotated the Thomas pulse with "the Octopus"); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 (Thomas pulse point values); Buckner et al. 2015, PLoS ONE 10(4) (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Weekly burst-firing, both temporal lobes, 30 min (Baker-Price & Persinger)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-tbi-depression-temporal, layout: custom, Baker-Price & Persinger, Persinger/Koren lab, Laurentian University
The bilateral-temporal arm of Baker-Price & Persinger's open-label studies of depression after closed head injury: 30 min of 1 uT burst-firing fields across both temporal lobes, once a week for 5 weeks (1996, 4 patients) or 6 weeks (2003, 14 patients). The authors reported lower depression scores, but there was no sham arm and the left-frontal arm improved as much.
Setting: Seated or reclined, eyes closed, in a quiet room. The studies were an outpatient clinical series with depression questionnaires before and after (and QEEG in 2003).
Schedule: 30 min once a week for 5 weeks (1996) or 6 weeks (2003), followed in 2003 by 6 weeks without sessions.
Coils: CH1 T7, CH2 TP7, CH5 T8, CH6 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing across both temporal lobes | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | All coils together |
Baker-Price & Persinger 1996 gave four patients "30 min. of weak (1 microT) burst-firing magnetic fields across the temporal lobes once per week for 5 weeks" and reported less depression and fewer phobias, while physical symptoms did not change; their rationale was that the depression reflects subclinical hippocampal-amygdaloid seizure activity. In 2003, 14 patients got the fields either across the temporal lobes (this program) or over the left frontal lobe (persinger-tbi-depression-left-frontal), 30 min once a week for 6 weeks: depression fell over 5 weeks of treatment and 6 weeks of follow-up with no significant difference between the arms, and only the 7 bilateral-temporal patients reported fewer complex-partial-epileptic-like experiences and showed more 16-18 Hz power 6 weeks after the last session. Approximations: the burst-firing point values were never published, so the built-in accelerating burst (6 to 30 Hz) stands in: 230 points of 3 ms (0.69 s, the best-supported of the lab's 230, 248 and 289-point lengths) once every 4 s; Persinger, Hoang & Baker-Price 2009 describe the field as "once every 3 s for about 0.7 s" (set gapMs to 2310 for that variant). The papers give no coil count or sites; two coils per side at T7, TP7 and T8, TP8, all driven together, are an inference from "across the temporal lobes" (the same exposure as persinger-koren-boxes-tsang-2004). A Saroka thesis recalls 50 min per week; the published 30 min is used. Source cautions: no sham arm, 4 and 14 patients, self-rated outcomes in an open series where improvement over weeks is expected anyway, no independent replication; and rats given the same weekly field spent about half as much time in the open arms of a plus maze after two sessions, an anxious-looking effect (Fitzpatrick & Persinger 2004). These were clinical research sessions on diagnosed patients under ethics review. This program is not a treatment: depression and head injury need a clinician. A head injury raises seizure risk; not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-amygdala, right-amygdala, left-hippocampus-head, right-hippocampus-head (field on the brain)
Sources:Baker-Price & Persinger 1996, Percept Mot Skills 83:491; Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Fitzpatrick & Persinger 2004, Percept Mot Skills 98:983 (rats, weekly burst-firing); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Saroka, PhD thesis, Laurentian University, p. 28 (50 min per week); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Weekly burst-firing, left frontal lobe, 30 min (Baker-Price & Persinger 2003)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
persinger-tbi-depression-left-frontal, layout: custom, Baker-Price & Persinger, Persinger/Koren lab, Laurentian University
The left-frontal arm of Baker-Price & Persinger 2003, an open-label study of depression after closed head injury: 30 min of 1 uT burst-firing fields over the left frontal lobe, once a week for 6 weeks. The authors reported that depression scores fell as much as in the bilateral-temporal arm; there was no sham arm.
Setting: Seated or reclined, eyes closed, in a quiet room. The study was an outpatient clinical series with depression questionnaires and QEEG before and after.
Schedule: 30 min once a week for 6 weeks, then 6 weeks without sessions (the study's follow-up).
Coils: CH1 F7, CH2 F3
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Burst-firing over the left frontal lobe | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.31 s off, 3 ms points | Left side only |
Baker-Price & Persinger 2003 exposed 14 patients with depression after closed head injury to weak (1 microT) burst-firing fields "either across the temporal lobes or over the left frontal lobe", 30 min once a week for 6 weeks, with 6 weeks of follow-up. Depression scores fell in both arms (54% of the variance across 5 weeks of treatment and 6 weeks of follow-up) with no significant difference between them; fewer complex-partial-epileptic-like experiences and more 16-18 Hz power at follow-up were seen only in the 7 bilateral-temporal patients (persinger-tbi-depression-temporal), not in this arm. Approximations: two coils over the left frontal lobe at F7 and F3 are an inference from "over the left frontal lobe" (the paper gives no sites or coil count); the other channels stay silent. The burst-firing point values were never published, so the built-in accelerating burst (6 to 30 Hz) stands in: 230 points of 3 ms (0.69 s, the best-supported of the lab's 230, 248 and 289-point lengths) once every 4 s (Persinger, Hoang & Baker-Price 2009: "once every 3 s for about 0.7 s"; set gapMs to 2310 for that variant). Source cautions: no sham arm, 7 patients in this arm, self-rated outcomes in an open series where improvement over weeks is expected anyway, no independent replication; rats given the same weekly field showed an anxious-looking plus-maze response (Fitzpatrick & Persinger 2004). This was a clinical research protocol on diagnosed patients under ethics review, not a treatment: depression and head injury need a clinician. A head injury raises seizure risk; not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Aims at: left-dlpfc (field on the brain)
Sources:Baker-Price & Persinger 2003, Percept Mot Skills 96:965; Baker-Price & Persinger 1996, Percept Mot Skills 83:491; Fitzpatrick & Persinger 2004, Percept Mot Skills 98:983 (rats, weekly burst-firing); Persinger, Hoang & Baker-Price 2009, Electromagn Biol Med 28:374 ('once every 3 s for about 0.7 s'); Carniello 2020, PhD thesis, Laurentian University (230-point burst-firing file, 3 ms); Martin & Persinger 2004, Neurosci Lett 366:226 (burst-firing once every 4 s); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Independent replications 4
Gendle & McGrath 2012 replication: 8 Coil Shakti amygdala signal, both temporal lobesSingle lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
replication-gendle-mcgrath-2012, layout: custom, Mathew H. Gendle & Megan G. McGrath, Elon University (independent test); device, amygdala signal and coil set-up by Todd Murphy (8 Coil Shakti)
A copy, for blinded self-tests, of the randomized, placebo-controlled test of a commercial God-Helmet-type device: one 30-min session of the 8 Coil Shakti 'amygdala signal' over both temporal lobes at up to 1 uT, with emotional ratings of 54 colour photographs. In 37 people the field changed neither the ratings nor how they depended on the pictures' valence.
Setting: By day, seated in an ordinary quiet room; no sensory deprivation is reported. A helper who does not know the condition can start the Blind session and present the photographs.
Schedule: One 30-min session per person in the original. Self-test: a fixed number of Blind sessions decided in advance, at least 72 h apart (the vendor's spacing rule), each with the same picture procedure.
Coils: CH1 FT7, CH2 C5, CH3 TP7, CH4 T9, CH5 FT8, CH6 C6, CH7 TP8, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Amygdala signal, both temporal lobes, pairs every 0.5 s | 30 | Point table of 5190, 1 ms per point, 3810 ms pause + Point table of 5000, 1 ms per point, 4000 ms pause | All coils together, weighted + All coils together, weighted |
Original study: 37 people were randomized to one 30-min session of field or sham and rated their emotional reactions to 54 colour photographs of differing emotional valence; the ratings followed valence, but the field neither changed them nor interacted with valence. From Murphy's reply: the 'amygdala signal' over both temporal lobes; up to 1 uT, the default output, with no per-person adjustment and without the vendor's screening questionnaire; an onboard Realtek HD sound device; daytime sessions; mean Kp 1.03 (SD 0.76); pictures close to those of an earlier Italian study with International Affective Picture System images, minus the explicitly sexual or violent ones; and a consent form telling participants that '(1) slight muscle twitching, (2) minor headache, (3) unusual skin sensations, (4) odd smells, (5) the subjective sensation of fear or a "sensed presence" (i.e., someone in the room), or (6) subtle alterations in perception and/or emotional states' might occur. When in the session the pictures were rated, the rating scale, and who knew the condition are not in the available sources (the paper is closed access); per Murphy, no trait or mood questionnaires were given. Field: the 8 Coil Shakti standard temporal set-up, as in shakti-alternate: a 4-coil cross on each temporal lobe (site names an inference: FT7, C5, TP7, T9 and FT8, C6, TP8, T10); each stereo channel drives one + and one - coil on each side (C5, FT7, T10 and TP8 reversed, weight -1), and the signal switches between the top-bottom and the front-back pairs every 0.5 s. The vendor offers fast and slow alternation and a 'high-speed' amygdala signal; which the study used is not published, so the normal-speed signal with fast alternation (the vendor's 'most effective') is assumed. The amygdala file is proprietary and is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s), one every 4.5 s so that the half-second clock and the signal repeat together. The field is the same as shakti-alternate; this file adds the study's procedure and fixes the session to the published 30 min. Murphy's objections are vendor claims: the bilateral amygdala signal is the weakest configuration; the 'feelgood' session (two signals with 4-s pauses over the frontal lobes, weekly for six weeks; murphy-shakti8-feelgood-1phase-frontal) would have tested the vendor's mood claim; daytime sessions, onboard sound and the warnings in the consent form worked against an effect. A popular review restated the result as 'no significant difference in emotional state' (Aaen-Stockdale 2012), but the study measured responses to pictures, not mood. Independent sham-controlled tests of God-Helmet-type fields found no field effect (Granqvist 2005; this study). How to run it with the app: tick Blind in Programs; the helmet's random generator picks real or sham each session and reveals it only after you save the rating (the original randomized between people, so a self-test compares your own real and sham sessions). The app has no picture task: prepare a fixed, valence-balanced set of 54 photographs (positive, neutral and negative) and rate your reaction to each on the same scale in every session, before saving the 0-10 rating; reactions fade with repeated viewing, so keep order and timing identical, or use parallel sets. Read the consent list above beforehand, as the participants did. The Log tab keeps condition, rating and Kp. Guides -> Enrollment battery is optional (the original used no trait measures); the Trials tab runs psi trials and is not needed. Not for people with epilepsy or a seizure history, a psychiatric condition or medication, or migraine; stop on fear or distress.
Aims at: left-amygdala, right-amygdala, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Gendle & McGrath 2012, Can the 8-coil Shakti alter subjective emotional experience? A randomized, placebo-controlled study, Percept Mot Skills 114:217-235; Journal record; Murphy, A reply to: Can the 8 Coil Shakti alter subjective emotional experience? (placement, signal, 1 uT default, sound device, time of day, Kp, consent form); Murphy, Shakti demo: Amygdala signal (8 coil; both sides the safest, signal speeds and alternation); Murphy, Shakti demo: 8 coil placement (one + and one - coil per channel on each side; one pair vertical, one horizontal); Murphy, Understanding the 8 Coil Shakti (fast and slow alternation); Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Aaen-Stockdale 2012, Neuroscience for the soul, The Psychologist 25:520; Granqvist et al. 2005, Neurosci Lett 379:1
Granqvist 2005 replication: Thomas right, then burst-firing both sides, sequenced coilsSingle lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
replication-granqvist-2005, layout: custom, Granqvist, Fredrikson, Unge, Hagenfeldt, Valind, Larhammar & Larsson (Uppsala/Lund), using the DAC010-V sequencer unit and Complex v1.15 software lent by Koren and Persinger (Laurentian University)
A copy, for blinded self-tests, of the Uppsala double-blind test of the God Helmet: 15 min of the Thomas pattern stepped around four right-side coils, then 15 min of burst-firing stepped around both sides, one coil per side at a time, at 5 uT. With 43 people exposed and 46 wearing the helmet without a field, Granqvist et al. 2005 found no effect of the field; absorption, temporal-lobe signs and a New Age orientation predicted sensed presence and mystical experiences.
Setting: Blindfolded, seated, in a small (about 2 m2), quiet, dim room, with earplugs (reported only by Persinger's side). The helper says only that the session concerns 'the influence of complex, weak magnetic fields on experiences and feeling states', starts the Blind session, and gives the exit list afterwards without knowing the condition.
Schedule: One 30-min session per person in the original (between groups). Self-test: fix the number of Blind sessions in advance (e.g. 10, about half of them sham), at least a day apart, each rated before its reveal; trait questionnaires on a separate day.
Coils: CH1 T7, CH2 FT7, CH3 FT9, CH4 T9, CH5 T8, CH6 FT8, CH7 FT10, CH8 T10
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Thomas pattern, right coils in turn, 0.5 s each (15 min) | 15 | Point table of 849, 3 ms per point, 3 ms pause | Stepping counter-clockwise around the right side, 500 ms per coil |
| 2 | Burst-firing, both sides in turn, 0.5 s each (15 min) | 15 | Accelerating burst 6 → 30 Hz, 0.69 s on, 3.21 s off, 3 ms points | Stepping around both sides at once (left counter-clockwise, right counter-clockwise), 500 ms per coil |
How this differs from persinger-granqvist-2005-replication: that program drives two static coils per side. The unit lent to Uppsala (a DAC010-V with 4 channels and right and left solenoid sets, SR and SL, created 1998; Persinger, 23 Dec 2004) had a sequencer: the Uppsala team called its 'oscillator' 'the cycling between the solenoids-the four green LED's', in a report Koren quoted and answered on 3 Oct 2003 ('DAC Sequencer Circuit'). Reading the four LEDs as four left-right solenoid pairs, as in the Laurentian helmet, the field here steps around four coils per side; the coil count per side is not published. In the same report Uppsala wrote that the cycling stopped after one to five minutes and that the 'clock' LED ran slightly out of sync with the solenoid LEDs; Koren blamed the computer calibration, a DAC waveform at extreme rates, electrical noise or loose power connections. Whether this was fixed before testing is not published; Granqvist later wrote that 'the diode indicators on the DAC indicated timing in the correct interval' (5 Jan 2005). The Uppsala stepping rate is not published; 0.5 s per position (2 s per turn) with one left and one right solenoid on at a time is the Laurentian helmet as Persinger & Murphy 2016 describe it, and is assumed. Nature reports the fields 'aimed just above and in front of the ears'; T7, FT7, FT9, T9 and their right mirrors (a 2 x 2 square, stepped around in that order) are an inference, as are the stepping order and direction. Phase 1 steps only the right coils (Thomas over the right hemisphere), phase 2 both sides in mirror image (Persinger asked how 'the fields were changed from right hemisphere Thomas to bilateral burstx' and wrote of '15 min of Thomas and 15 min of Burst'); all coils have one polarity. Signals: the Thomas pattern is the exact 849-point patent table at 3 ms with 3 ms between passes (2.55 s per pass, the Laurentian file as Murugan 2013 describes it; Persinger & Murphy 2016: 26 to 8 Hz once every 2 s); that Koren's file was this table is an assumption. Burst-firing point values are unpublished: the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s; lab theses give 230, 248 or 289 points), once every 3.9 s (Persinger & Murphy 2016: about 1 s every 3 or 4 s; the lab's analgesia work used 4 s): the sequencer had its own oscillator, separate from the pattern (Koren: a DAC waveform at extreme rates 'will cause interference with the sequencer'), and an exact 4 s would land every burst on the same two coil pairs of the 2-s turn, while 3.9 s moves the burst on by 0.1 s each time, so every pair gets it (engine simulation: equal energy on all eight coils). Uppsala ran Complex v1.15, calibrated per its manual, with total cycles set to 9000 'as instructed' (what the software counts as a cycle is not published), and stopped it with ctrl-alt-del after 15 min timed on a digital watch. The field was 3-7 uT; 5 uT is this helmet's maximum. Original design: 89 participants, 43 undergraduates with the field and 46 volunteers wearing the helmet without it (Nature). Double-blind: one experimenter (AH) met the participants and did not know the condition; another (PU) assigned conditions at random and never met them. Participants were told the project concerned 'the influence of complex, weak magnetic fields on experiences and feeling states' (wording quoted by Tinoco & Ortiz 2014 and by Murphy), sat blindfolded (stated in Granqvist's letter, omitted from the paper) in an isolation chamber of about 2 m2, with earplugs according to Persinger's rebuttal (not confirmed by Uppsala), and afterwards rated Persinger's exit list of experiences, translated literally (0 = never, 1 = once or occasionally, 2 = often), and a mystical-experience measure; predictors were the Tellegen Absorption Scale, temporal-lobe signs and a New Age orientation scale. In Nature's account, 2 of the 3 participants who reported strong spiritual experiences, and 11 of the 22 who reported subtle ones, were in the sham group. Persinger & Koren say both groups scored M = 0.3 (SD 0.5) on sensed presence, their usual sham level, and that effective fields give 0.8 or more. They blamed (1) point timing distorted by running the DOS software under Windows on a faster computer than it was written for, (2) 15 min instead of their 20-40 min per pattern, (3) earplugs, a small chamber and no blindfold, and (4) no check of the field before each subject; Granqvist replied that 15 min and 9000 cycles were Persinger's own recommendation, the chamber was about 2 m2, blindfolds were used and the equipment was checked for field output before and after the study. This firmware times every point on a fixed 0.5-ms clock, so objection 1 does not apply to this copy, which for the same reason cannot reproduce any distortion Uppsala's signal may have had; the 15 + 15 min are kept to copy the test. Evidence is single-lab: one double-blind study of this exposure. Independent sham-controlled tests of God-Helmet-type fields found no field effect (this study; Gendle & McGrath 2012, a different device and signal); Tinoco & Ortiz 2014 reported field-sham differences only in post-session wording. How to run it with the app: on another day, Guides -> Enrollment battery (IPIP Imagination is a free counterpart of the licensed Tellegen scale; the app has no temporal-lobe-signs or New Age scale). For the session a helper who does not know the condition takes AH's role, and the app's Blind option takes PU's: tick Blind in Programs and the helmet's random generator picks real or sham, hidden until you save the rating. Afterwards, first write a free report, then score a fixed list of experiences 0/1/2 (the full exit form is not in the sources used here; Persinger & Murphy 2016 say its 20 items were published by Ruttan, Persinger & Koren 1990; make the sensed-presence item the primary outcome and write down Persinger & Koren's prediction, 0.8 or more with the field against 0.3, before the first session), guess real or sham, and only then save the 0-10 rating; the Log tab keeps condition, rating and Kp. The Trials tab runs psi trials and is not needed. No medical claim. Not for people with epilepsy or a seizure history; stop on fear or distress.
Aims at: right-temporal-pole, right-amygdala, right-hippocampus-head, left-temporal-pole, left-amygdala, left-hippocampus-head (field on the brain)
Sources:Granqvist et al. 2005, Sensed presence and mystical experiences are predicted by suggestibility, not by the application of transcranial weak complex magnetic fields, Neurosci Lett 379:1-6; Khamsi 2004, Electrical brainstorms busted as source of ghosts, Nature news (43 exposed, 46 controls, 3-7 microtesla, 'just above and in front of the ears'); Koren to Fredrikson, 3 Oct 2003, DAC Sequencer Circuit (quotes and answers Uppsala's report on the cycling between the solenoids, four green LEDs, stopping after 1-5 min; calibration); Granqvist to Persinger, 27 Nov 2004 (blind experimenter AH, assigning experimenter PU); Persinger to Larhammar, 22 Nov 2004 (at least 20 and usually 30-40 min per pattern); Persinger to Larhammar, 22 Dec 2004 ('15 min of Thomas and 15 min of Burst'); Persinger to Larhammar, 23 Dec 2004 (DAC010-V, 4 channel, SR and SL solenoids, created 1998; quotes his question on changing 'from right hemisphere Thomas to bilateral burstx'); Granqvist to Persinger, 5 Jan 2005 (Complex v1.15, 9000 cycles, ctrl-alt-del at 15 min, blindfolds, chamber about 2 m2, exit-list instructions and 0/1/2 scale); Persinger & Koren, A response to Granqvist et al., Laurentian news page, Dec 2004 (M = 0.3 vs 0.8, chamber, earplugs, 20-40 min); Persinger & Koren 2005, Neurosci Lett 380:346-347; Larsson, Larhammar, Fredrikson & Granqvist 2005, Neurosci Lett 380:348-350; Granqvist & Larsson 2006, J Psychol 140:319; Persinger & Murphy 2016, Neuroscience & Medicine 7:27-44 (four solenoid pairs, one left and one right on, rotated every 0.5 s; Thomas 26-8 Hz every 2 s; burst about 1 s every 3-4 s); US 6,234,953 B1, Table 1 (Thomas table); Murugan 2013, MSc thesis, Laurentian University (849-point Thomas pulse at 3 ms, 3 ms between repeats); Carniello 2020, PhD thesis, Laurentian University (burst-firing file: 230 points at 3 ms); Tinoco & Ortiz 2014, J Conscious Explor Res 5(3):234-257 (quotes the Uppsala participant instruction); Gendle & McGrath 2012, Percept Mot Skills 114:217
Maij, van Elk & Schjoedt 2019: placebo God Helmet at a festival, 15 min (no field)Single lab: Published by one lab or group, not independently replicated15 min, 1.0 µT
replication-maij-2019-festival-sham, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), D. L. R. Maij, M. van Elk (University of Amsterdam) & U. Schjoedt; pre-registered field study
A pre-registered field study of placebo brain stimulation: 193 visitors of a Dutch music festival wore a 'God Helmet' connected to nothing for 15 min, blindfolded, with white noise in their ears, pressing a button at each extraordinary experience. Self-identified spirituality, not blood alcohol, predicted how often and how strongly they reported such experiences. This program keeps the coils silent for the 15 min.
Setting: Seated, blindfolded, white noise through in-ear earphones, a button or tally counter in hand. The original was an open cubicle at a music festival, with occasional bass from other stages and a floor that moved when people walked by.
Schedule: One 15-min session per person (the whole visit was limited to 45 min), with follow-up questions within five days.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Placebo helmet, blindfold and white noise (no field) | 15 | No output | All coils together |
No field at any time: the original helmet, a metallic-coloured skate helmet wired to a dummy analog-to-digital box with a flickering light, was not attached to any generator, and this program keeps every coil silent for 15 min. Original: Lowlands festival, advertised as 'Tripping with the God Helmet'; 199 visitors started and 193 completed (some took the helmet off after several minutes because they noticed nothing); correlational by design, with no control group; hypotheses, materials and analysis pre-registered (OSF 7u4wd). Procedure: screening (epilepsy, easy fainting, claustrophobia, brain damage); an information sheet and a short review claiming the helmet reliably elicits extraordinary experiences; blood alcohol by breathalyser; religiosity and spirituality questions; a video on how the helmet supposedly works; a Stroop task; then the helmet, sham skin-conductance and heart-rate leads 'to keep track of their health', a vomit bowl on the table, a blindfold, white noise through in-ear earphones and a mouse button to press at each extraordinary experience, for 15 min, in one of six open cubicles (bass from other stages and a moving wooden floor were distractions). Afterwards: what each press meant (coded into eight types of experience), intensity 0-100 ('To what extent did you feel a mystical/spiritual experience as a result of the helmet?'), eight items of Hood's mysticism scale plus an awe and a presence item, and the side effects noticed (a suspicion check, as in Andersen et al. 2014); follow-up questions within five days and the debriefing by mail two weeks later. Result: blood alcohol did not predict the frequency or intensity of the experiences; self-identified spirituality did. The authors also cite a study of theirs, then in preparation, in which people sensory-deprived in both conditions had more experiences with the helmet on than taken off; in Maij & van Elk 2018 an expectancy manipulation changed the experiences within subjects, and absorption predicted them. How to reproduce it honestly: the original worked through deception, which a self-test cannot copy and which should not be used on others. Either run an active 15-min program with the Blind option (its sham arm is this exposure) or let a helper choose secretly between this file and an active program of the same length; ticking Blind on this file changes nothing, since both arms are silent. If you run it for someone else, tell them beforehand that the helmet may or may not produce a field, and reveal it afterwards; leave out fake sensors and health claims. Count presses with a tally counter or note the times; afterwards write what each one was, rate the intensity, guess real or sham, and then save the 0-10 rating (Log tab). Guides -> Enrollment battery gives absorption (IPIP Imagination) and sensed-presence proneness (SenPQ); the app has no spirituality or mysticism scale. The Trials tab runs psi trials and is not needed. Do not drink for this: the study measured visitors' existing alcohol levels, and alcohol made no difference. Unpleasant experiences can come from the setting alone; stop on distress. Independent sham-controlled tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Sources:Maij, van Elk & Schjoedt 2019, The role of alcohol in expectancy-driven mystical experiences: a pre-registered field study using placebo brain stimulation, Religion Brain Behav 9:108-125; Published version (UvA-DARE); Pre-registration; Maij & van Elk 2018, Getting absorbed in experimentally induced extraordinary experiences, Conscious Cogn 66:1-16; Andersen, Schjoedt, Nielbo & Sorensen 2014, Mystical experience in the lab, Method Theory Study Relig 26:217; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Simmonds-Moore sham God Helmet: 30 min relaxation, inert helmet (no field)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
replication-simmonds-moore-sham-helmet, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), Christine Simmonds-Moore, D. L. Rice, C. O'Gwin & R. Hopkins (sham-helmet study, Imagination, Cognition and Personality)
The sham-helmet study of Simmonds-Moore et al.: 32 paranormal sceptics and 35 believers each relaxed for 30 min in a Faraday chamber without a helmet (baseline) and twice wearing an inert 'God Helmet' (morning and afternoon). No field was ever applied; believers reported more exceptional experiences, and the conditions did not change their Phenomenology of Consciousness Inventory scores.
Setting: Relaxing, seated or reclining, for 30 min in a quiet, shielded room (the original used a Faraday chamber), with the helmet worn but inert; the baseline session is in the same room without the helmet.
Schedule: Three sessions per person: baseline (no helmet), sham helmet in the morning, sham helmet in the afternoon; order and spacing are not given in the available sources.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Inert helmet, relaxation (no field) | 30 | No output | All coils together |
No field at any time: this program keeps every coil silent for 30 min. It copies the exposure (wearing an inert helmet while relaxing), not a stimulus. Original: each participant completed a baseline without any helmet (Psi Encyclopedia) and two sessions with a sham 'God Helmet' that applied no stimulation, one in the morning and one in the afternoon, relaxing for 30 min in a Faraday chamber. Exit interviews explored the experiences (coded for exceptional experiences by inductive thematic analysis), and participants completed the Phenomenology of Consciousness Inventory; traits were paranormal belief, synaesthesia, locus of control, hyperaesthesia and prior anomalous experiences. Results: believers scored higher than sceptics on some inventory dimensions and reported more exceptional experiences; condition (baseline, morning, afternoon) did not change inventory scores, with no belief x condition interaction; hyperaesthesia predicted alterations in consciousness and synaesthesia predicted exceptional experiences. The paper's title claims placebo, individual-difference and time-of-day influences, while the Psi Encyclopedia summary reports no morning/afternoon difference in reports; morning against afternoon does not test the evening or night claims of Persinger's lab and Murphy. The order of conditions, what participants were told, the lighting and whether eyes were covered are not in the available sources (the paper is closed access). How to reproduce it with the app: a known sham cannot raise expectations, so either run an active 30-min program with the Blind option (its sham arm is this exposure) or let a helper choose secretly between this file and an active program of the same length; ticking Blind on this file changes nothing, since both arms are silent. Do a baseline in the same room without the helmet, then one helmet session in the morning and one in the afternoon; after each, give a free report first (spoken to the helper or written), then any checklist, then the 0-10 rating. If you run it for someone else, tell them beforehand that the helmet may or may not produce a field, and reveal it afterwards. Guides -> Enrollment battery gives SenPQ, IPIP Imagination and the Short Suggestibility Scale; the app has no Phenomenology of Consciousness Inventory, synaesthesia or hyperaesthesia scale. The Log tab stores time of day and Kp; the Trials tab runs psi trials and is not needed. Unpleasant feelings can come from the setting alone; stop on distress. Independent sham-controlled tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012).
Sources:Simmonds-Moore, Rice, O'Gwin & Hopkins, Exceptional experiences following exposure to a sham 'God Helmet': evidence for placebo, individual difference, and time of day influences, Imagination, Cognition and Personality 39:44-87 (online 2017); Psi Encyclopedia (SPR), Christine Simmonds-Moore (dummy helmet; baseline without a helmet; no morning/afternoon difference); Maij & van Elk 2018, Conscious Cogn 66:1; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Research protocols 11
Bell 1994 10 Hz after-effect test: 10 min field, 1 min offSingle lab: Published by one lab or group, not independently replicated11 min, 5.0 µT
lowfield-bell-elf-epoch-probe-aftereffect, layout: custom, Bell, Marino, Chesson (Louisiana State University Medical Center), 1991-1996
The optional after-effect test of the Bell/Marino probe: a continuous 10 Hz sine field on all eight ring coils in phase for 10 min, then 1 min with the field off, the window in which Bell et al. 1994 (Neuroreport) measured occipital 10 Hz EEG power. They used 1 G (100 uT); this helmet gives at most 5 uT at 20 mm from each coil, so only the timing is copied.
Setting: Seated, eyes closed, occipital EEG (O1, O2) recorded through the exposure and the minute after it.
Schedule: One run per sitting; compare with blinded sham runs of the same program.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 10 Hz continuous | 10 | 10 Hz sine | All coils together |
| 2 | After-effect window (field off) | 1 | No output | All coils together |
Bell et al. 1994 (Neuroreport) reported reduced occipital 10 Hz power during the minute after a 10-min, 10 Hz, 1 G exposure in 10 subjects; this is a single-lab result. The geometry is not stated in the abstract; the full ring in phase stands in for a field applied to the head. At 5 uT 20 mm from the coils (about 0.5 uT at 40-50 mm) the program is about 20 times weaker than the original near the coils and far weaker at depth, so it copies the timing only. The sine is smooth (no point steps) and there is no fade-in, so the exposure lasts exactly 10 min; the field then switches off at the start of the 1-min window. Record occipital EEG (O1, O2) throughout and compare the last minute with the same minute of a blinded sham run (the app's Blind option). Measuring with the field off avoids direct pickup of the 10 Hz field, but check the recording chain with a phantom anyway. The induced electric field is about 1 uV/m, far below known neural thresholds. Not for people with epilepsy; stop if you feel unwell.
Aims at: primary-visual-cortex (field on the brain)
Sources:Bell et al. 1994, Neuroreport (10 Hz after-effect); Bell et al. 1994, J Neurol Sci (1.5 and 10 Hz, 2-s epochs); Marino et al. 1996, J Neurol Sci (false-negative rates)
Bell/Marino ELF epoch probe: 2-s 10 Hz and 1.5 Hz epochsSingle lab: Published by one lab or group, not independently replicated20 min, 5.0 µT
lowfield-bell-elf-epoch-probe, layout: custom, Bell, Marino, Chesson (Louisiana State University Medical Center), 1991-1996
Research probe after Bell, Marino and Chesson's EEG studies: 2-s epochs of a 10 Hz, then a 1.5 Hz sine field on all eight ring coils in phase, alternating with 2-s field-off epochs, to look for EEG changes at the stimulus frequency. Bell et al. 1994 reported such changes at 20-40 uT; this helmet gives at most 5 uT at 20 mm from each coil, so only the timing is copied.
Setting: Seated, eyes closed, EEG at C3, C4, P3, P4, O1 and O2. Compare the spectra of field and off epochs within each subject.
Schedule: One run per sitting; repeat with blinded sham runs of the same program.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 10 Hz epochs (2 s field / 2 s off) | 10 | Sweep 10 → 10 Hz over 2 s, 2 s pause | All coils together |
| 2 | 1.5 Hz epochs (2 s field / 2 s off) | 10 | Sweep 1.5 → 1.5 Hz over 2 s, 2 s pause | All coils together |
Bell et al. 1994 (J Neurol Sci) reported EEG changes at the stimulus frequency in 19 subjects during 2-s epochs of 1.5 or 10 Hz fields at 0.2-0.4 G (20-40 uT); Bell 1992 (static and 60 Hz fields) found changes more often at central and parietal electrodes. The exposure geometry is not stated in the abstracts (a field applied to the head). The full ring in phase stands in for it, but this field is not uniform: at 5 uT 20 mm from each coil it is 4-8 times weaker than in Bell 1994 and falls to about 0.5 uT at 40-50 mm, so the program copies the timing only. The protocol calls for many 2-s field and 2-s control epochs in random order (the equal split is this project's choice; the abstracts do not give it). The engine cannot randomise, so each phase strictly alternates 2 s field (10 Hz: 20 cycles; 1.5 Hz: 3 cycles, each starting and ending at a zero crossing) and 2 s off. There is no fade-in or fade-out, so field epochs start exactly 0, 4, 8 ... s into each phase. The results come from one lab, and Marino et al. 1996 reported high false-negative rates for the method (42% for a 0.8 G field). EEG changes at the stimulus frequency are exactly where pickup artefacts from the coils appear: test the recording chain with a phantom and run the program blinded against sham (the app's Blind option). The induced electric field at 10 Hz is about 1 uV/m, far below known neural thresholds, so a positive result would need a non-induction explanation and would be extraordinary. The 10-min after-effect test is the separate program lowfield-bell-elf-epoch-probe-aftereffect. Not for people with epilepsy; stop if you feel unwell.
Sources:Bell et al. 1994, J Neurol Sci (1.5 and 10 Hz, 2-s epochs); Bell et al. 1992, Electroencephalogr Clin Neurophysiol (2-s epochs, central and parietal changes); Bell, Marino, Chesson & Struve 1991, Lancet 338:1521; Marino et al. 1996, J Neurol Sci (false-negative rates); Bell et al. 1994, Neuroreport (10 Hz after-effect)
Circumcerebral +20 ms steps CCW (theta study)Single lab: Published by one lab or group, not independently replicated5 min, 5.0 µT
circumcerebral-theta, layout: Circumcerebral ring ("Octopus"), Persinger lab, Laurentian University (Cook, Koren & Persinger 1999; Richards, Koren & Persinger 2002), circumcerebral 'Octopus'
A counter-clockwise rotation around the head in which the field stays 20 ms longer on each successive coil (100, 120 ... 240 ms, then back to 100 ms), carrying the lab's frequency-modulated Thomas pulse. Persinger's lab reported longer subjective time (Cook 1999) and about 30 % more theta power (Richards 2002) with 20-ms changes in the time per coil.
Setting: Seated or reclined, eyes closed, in a quiet, dim room (the lab used an acoustic chamber). Record EEG before, during and after if you want to check the theta claim.
Schedule: At most weekly (Murphy's rule for circumcerebral Shiva sessions); six sessions, then a 21-day break.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | CCW 100->240 ms (+20 ms per coil), Thomas 1-ms points | 5 | Point table of 849, 1 ms per point, 1 ms pause | Rotating counter-clockwise around all coils, 100 → 240 ms per coil (+20 ms steps) |
Changed after the primary-source check: the first dwell is now 100 ms (was 20 ms) and the waveform is the Thomas pulse (was a synthetic burst on rat timing). Cook 1999 ("successive additions of 20 ms ... at each solenoid") and Richards 2002 ("20-msec. rates of change in the duration of delivery ... to each successive solenoid") describe a 20-ms change per coil, not a 20-ms dwell, and neither abstract gives the first dwell. Where the lab printed a configuration with 20-ms changes, it starts at 100 ms: the six-configuration table of the Swann paper, which cites Cook 1999 for its patterns (100 ms, change +20), Persinger, Koren & Tsang 2003 ("100 msec. with changes in rate of 20 msec.") and the lab's Shiva study (100 ms plus 20 ms per column, Collins 2014). Hence 100 -> 240 ms, one turn 1.36 s, inside Cook's "about 200 and 2000 ms" ("100-20" in the lab's later notation, where + means shorter); the base is an inference, and the former reading is "dwell": [20, 20, 160]. Saroka (2016) says Cook rotated the Thomas pulse on the "Octopus", and the lab calls its rotated field "complex frequency-modulated" (Persinger & Lavallee 2010), so the exact 849-point patent table plays at 1 ms per point with 1 ms between repeats, the settings the Swann table prints for its frequency-modulated configuration with 100 ms and +20 (rechecked on the page scan); the lab's other Thomas setting, 3 ms per point (2.55 s per cycle; Buckner 2015), is the alternative. Cook ran six patterns of 2.5 min each and Richards six configurations of unstated length; 5 min follows the lab's 6 x 5-min ring studies. Intensity was about 10 uT (Cook), 5-10 uT (Richards) or 2-5 uT (Swann table); the default is this helmet's 5 uT limit. The ring layout (Fpz, F7, T7, P7, Oz, P8, T8, F8, counter-clockwise from above) starts on the midline, while the lab's coil 1 sat over the left frontal and coil 8 over the right prefrontal region (Persinger & Lavallee 2010). Richards also reported about 20 % more right-hemisphere 5.0-5.9 Hz power with all six configurations, and Booth 2008 more right-hemisphere power with counter-clockwise and more left with clockwise rotation. Single-lab results (Richards: 8 people) with no independent replication; testing them needs EEG. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: right-superior-temporal-gyrus-posterior, right-temporal-pole (field on the brain)
Sources:Richards, Koren & Persinger 2002, Percept Mot Skills 95:671-686; Cook, Koren & Persinger 1999, Neurosci Lett 268:61-64; Persinger, Roll, Tiller, Koren & Cook 2002, Remote viewing with the artist Ingo Swann, Percept Mot Skills 94:927-949 (Table 1: six circumcerebral configurations) (full-text scan) [2]; Persinger, Koren & Tsang 2003, Percept Mot Skills 97:877-894; Collins 2014, MA thesis 'Investigating the Shiva', Laurentian University (Shiva amygdaloid signal: 289 points, 3 ms, 4000 ms between cycles; 100 ms plus 20 ms per column; ch. 4: Shiva 4+4 helmet); Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 rotated the Thomas pulse with "the Octopus"); Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (base +/- change notation, "20+2" = 20, 18 ... 6 ms; coil 1 left frontal, coil 8 right prefrontal; sibling and yoked studies retold); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 and FIG. 2 "Thomas Pulse (Cnp)"; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Booth, Koren & Persinger 2008, Electromagn Biol Med 27:426-436; Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Circumcerebral 25->11 ms CCW (gamma study)Single lab: Published by one lab or group, not independently replicated5 min, 1.0 µT
circumcerebral-gamma, layout: Circumcerebral ring ("Octopus"), Persinger lab, Laurentian University (Tsang, Koren & Persinger 2004), circumcerebral 'Octopus' configuration
One 5-min configuration from Tsang, Koren & Persinger 2004: a counter-clockwise rotation around the head with 25 ms on the first coil and 2 ms less on each of the next seven (last 11 ms; the lab's "25+2"), repeating, here carrying the Thomas pulse. Persinger's lab reported more 35-45 Hz gamma power over frontal and occipital regions with this configuration (11 subjects).
Setting: Seated or reclined, eyes closed, in a quiet, dim room (the lab used an acoustic chamber). Record EEG before, during and after if you want to check the gamma claim.
Schedule: At most weekly (Murphy's rule for circumcerebral Shiva sessions); six sessions, then a 21-day break.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | CCW 25->11 ms (lab "25+2"), Thomas pulse | 5 | Point table of 849, 3 ms per point, 3 ms pause | Rotating counter-clockwise around all coils, 25 → 11 ms per coil (-2 ms steps) |
Checked and kept: the abstract gives "the first pulse for 25 ms followed by an acceleration of +2 ms to each of the other 7 solenoids (the last duration = 11 ms)", counter-clockwise in the horizontal plane above the ears, i.e. 25, 23 ... 11 ms and one turn of 144 ms (about 6.9 per second). The lab writes this "25+2", + meaning shorter (Persinger & Lavallee 2010), the opposite sign to the Koren software patent. Changed: the waveform. The abstract names none ("pulsed magnetic fields"); the lab describes its rotated field as "complex frequency-modulated" (Persinger & Lavallee 2010) and Saroka (2016) says Cook 1999 rotated the Thomas pulse on the Octopus, so the exact 849-point patent table now plays at the lab's usual 3 ms per point for this file with 3 ms between repeats (2.55 s per cycle; Buckner 2015; Murugan 2013), instead of a synthetic burst on rat timing (230 points of 4 ms every 3 s); each coil gets about 4-8 points. That choice is an inference; the lab's ring table of 2002 (Swann paper) also ran the Thomas file at 1 ms per point. This was one of six 5-min configurations, with EEG sampled after 2.5 min; the other five are not described, so this runs the one for its 5 min. The abstract gives no intensity; the lab measured 1-5 uT inside each solenoid of its ring (Lehman 2016), and the default is 1 uT. The ring layout (Fpz, F7, T7, P7, Oz, P8, T8, F8, counter-clockwise from above) starts on the midline, while the lab's coil 1 sat over the left frontal and coil 8 over the right prefrontal region; persinger-tsang-2004-gamma-thomas runs the same rotation on such a ring. Scalp gamma is easily contaminated by muscle and stimulation artefacts, which the paper does not say it removed, and one positive result among six conditions in 11 people may be chance. Single-lab EEG result with no independent replication; testing it needs EEG before, during and after. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: vmpfc, lateral-orbitofrontal-cortex, primary-visual-cortex (field on the brain)
Sources:Tsang, Koren & Persinger 2004, Int J Neurosci 114:1183-1193; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785-807 (base +/- change notation, "20+2" = 20, 18 ... 6 ms; coil 1 left frontal, coil 8 right prefrontal; sibling and yoked studies retold); Koren & Persinger, US 6,312,376 B1 (sequence interval and sequence acceleration); Saroka 2016, PhD dissertation, Laurentian University (Cook 1999 rotated the Thomas pulse with "the Octopus"); Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 and FIG. 2 "Thomas Pulse (Cnp)"; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Murugan 2013, MSc thesis, Laurentian University (849 points for the Thomas pulse at 3 ms, 3 ms between repeats; 248 points for burst-x); Lehman 2016, MSc thesis, Laurentian University, pp. 56-57 ("20-2" = 20, 22 ... 34 ms; 1-5 uT inside each solenoid); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Cnp occipital alpha EEG test (Cook design)Single lab: Published by one lab or group, not independently replicated30 min, 5.0 µT
lowfield-cnp-eeg-alpha-test, layout: custom, Cook, Thomas and Prato (Lawson Health Research Institute, London, Ontario)
A research probe after Cook, Thomas and Prato's EEG studies: 5 min without field, the 15-min Cnp exposure they used (here on all eight ring coils), then 10 min without field, for recording resting alpha before, during and after exposure. Compare it with a blinded sham session in counterbalanced order.
Setting: Seated, eyes closed, resting, with EEG at O1, Oz, O2 and P3, Pz, P4.
Schedule: Two sessions, field and sham, in counterbalanced order with the person blinded; analyse alpha (8-13 Hz) before, during and after exposure.
Coils: CH1 Fpz, CH2 F7, CH3 T7, CH4 P7, CH5 Oz, CH6 P8, CH7 T8, CH8 F8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Baseline EEG, no field | 5 | No output | All coils together |
| 2 | Cnp exposure, all coils | 15 | Point table of 4012, 1 ms per point, 1200 ms pause | All coils together |
| 3 | Post-exposure EEG, no field | 10 | No output | All coils together |
Cook 2004 and 2005 exposed 20 seated people for 15 min to a Cnp-type pulsed field at ±200 µT peak, with field and sham sessions counterbalanced, and recorded alpha (8-13 Hz) at O1, Oz, O2 and P3, Pz, P4. Cook 2004 reported occipital alpha higher after exposure (parietal only marginal) and a marginal drop about 7 min later; Cook 2005 found alpha lower during exposure; Cook 2009 found opposite effects for two pulse sequences. So the direction is inconsistent and the results are single-lab. The pulse is the patent's Cnp cycle as in "lowfield-cnp-thomas-pulse" (838-ms bursts, 5212-ms cycle); the abstracts only call Cook's field Cnp-type, so the exact sequence is assumed. The 5-min baseline and 10-min post-exposure rest are this program's outline (long enough to cover the drop about 7 min after exposure), not periods taken from the papers. The original exposure geometry is not given in the abstracts; the eight ring coils in phase are an approximation. At most about 5 µT here against 200 µT in the original, so this copies the timing only. Left out: the EEG recording and analysis, and the sham allocation. The app's Blind option picks real or sham at random for each session and reveals it after rating, so two sessions are not guaranteed to be one of each; for Cook's counterbalanced design have a helper decide which session is the sham (field first for half the people, sham first for the others) and keep the person unaware. Fix the analysis before unblinding. Coil currents can couple into EEG leads, so test with a phantom first (Wang 2019 used saline and a cantaloupe). Not for people with epilepsy; stop on distress.
Aims at: primary-visual-cortex, precuneus (field on the brain)
Sources:Cook et al. 2004, Bioelectromagnetics; Cook et al. 2005, Bioelectromagnetics; Cook et al. 2009, Bioelectromagnetics; US 6,234,953 B1 (Thomas, Prato, Kavaliers, Persinger), Table 1; Camera et al. 2015 (Cnp timing structure); Wang et al. 2019, eNeuro (phantom controls)
Geomagnetic-rotation probe (Wang 2019 trial structure)Single lab: Published by one lab or group, not independently replicated46 min, 5.0 µT
lowfield-geomagnetic-rotation-probe, layout: custom, Trial structure after Wang et al. 2019 (Caltech: Kirschvink, Shimojo; University of Tokyo: Matani); the ring version is a project construct
Six runs of about 7 min, each with 162 pseudorandom trials 2-3 s apart: in a sweep trial the field travels once around the eight-coil ring in 100 ms (12.5 ms per coil), in a fixed trial it stays on the front coil (Fpz) for 100 ms. It copies the trial structure of the only published uT-scale human EEG magnetoreception study (Wang 2019) and is meant for EEG: alpha (8-13 Hz) desynchronisation after sweep versus fixed trials.
Setting: Seated, eyes closed, in total darkness and quiet, with EEG (alpha 8-13 Hz, analysed after sweep versus fixed trials). Wang's participants sat in a dark, shielded chamber; sessions took about 1 h.
Schedule: One session per sitting; no repetition schedule was part of the original study.
Coils: CH1 Fpz, CH2 F8, CH3 T8, CH4 P8, CH5 Oz, CH6 P7, CH7 T7, CH8 F7
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Run 1: counter-clockwise sweeps vs fixed | 6.75 | Point table of 1350, 100 ms per point + Point table of 1350, 100 ms per point | Rotating counter-clockwise around all coils, 12.5 ms per coil + Coil CH1 only |
| 2 | Rest (no field) | 1 | No output | All coils together |
| 3 | Run 2: clockwise sweeps vs fixed | 6.75 | Point table of 1350, 100 ms per point + Point table of 1350, 100 ms per point | Rotating clockwise around all coils, 12.5 ms per coil + Coil CH1 only |
| 4 | Rest (no field) | 1 | No output | All coils together |
| 5 | Run 3: counter-clockwise sweeps vs fixed | 6.75 | Point table of 1350, 100 ms per point + Point table of 1350, 100 ms per point | Rotating counter-clockwise around all coils, 12.5 ms per coil + Coil CH1 only |
| 6 | Rest (no field) | 1 | No output | All coils together |
| 7 | Run 4: clockwise sweeps vs fixed | 6.75 | Point table of 1350, 100 ms per point + Point table of 1350, 100 ms per point | Rotating clockwise around all coils, 12.5 ms per coil + Coil CH1 only |
| 8 | Rest (no field) | 1 | No output | All coils together |
| 9 | Run 5: counter-clockwise sweeps vs fixed | 6.75 | Point table of 1350, 100 ms per point + Point table of 1350, 100 ms per point | Rotating counter-clockwise around all coils, 12.5 ms per coil + Coil CH1 only |
| 10 | Rest (no field) | 1 | No output | All coils together |
| 11 | Run 6: clockwise sweeps vs fixed | 6.75 | Point table of 1350, 100 ms per point + Point table of 1350, 100 ms per point | Rotating clockwise around all coils, 12.5 ms per coil + Coil CH1 only |
Wang et al. 2019 used three-axis coils to rotate a uniform field of about 35 uT (the ambient magnitude) around a participant in a dark Faraday chamber, in 100-ms rotations of the field direction (the 9.1 uT horizontal component turned by 90 degrees; the largest stimulus was a 150-degree arc) against fixed trials, and reported an alpha-power drop after one rotation type only (downward-directed, counter-clockwise). This helmet can only move a local field around the ring, about 6-12 times weaker, and cannot rotate the geomagnetic vector, whose static vertical component mattered in Wang's result. In a sweep the field glides from Fpz once around the ring and back (360 degrees; the coils are blended by the engine's linear crossfade instead of the research's cosine crossfade); sweep and fixed trials have the same length and strength, so they differ only in movement. A phase can play only two tracks, so direction is not randomised per trial: runs 1, 3 and 5 sweep counter-clockwise seen from above (Fpz, F7, T7 ...), runs 2, 4 and 6 clockwise. Each run repeats its own 135-s pseudorandom block (27 sweep, 27 fixed, at most 3 of a kind in a row) three times; trial onsets are the table's full-scale points (100 ms each) counted from the start of the run, which an EEG analysis needs as markers. Fades are off so every trial has full strength; the 1-min rests are a project choice. Left out: the optional DC background on the start coil between trials and Wang's double-wrapped sham coils; check for induced EEG artefacts by running the program on a saline phantom, and use the app's Blind option for sham runs (its sham switches the current off, so unlike Wang's antiparallel windings it does not reproduce current-related artefacts). Without the background, a fixed trial is a 100-ms pulse on Fpz rather than Wang's no-change trial. A real replication needs a three-axis coil system around the whole head (about 100 uT range, with ambient-field control). Single-lab result with no independent replication found; expect a null result.
Guide arm: 4 Hz bilateral sine (Gateway Focus 10/12)Unverified: A construct nobody has tested yet32 min, 2.0 µT
guide-gateway-4hz, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), This app's Gateway-style guides (our design; no published protocol)
Experimental arm of the Gateway-style Focus-10 and Focus-12 guides (our design, untested): the same 4 Hz sine on all temporal coils, in phase, at 2 uT or less. The arm steps take 22 min; the program runs 32 min so that a paused guide (the helmet keeps running while the guide is paused) does not cut it short, and the guide stops it after its last arm step. Run it blinded (real vs sham) from the guide. The god-helmet.com Shakti safety page advises against combining the helmet with binaural-beat devices in real time, so this arm exists only to test that combination under blinding.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 4 Hz in-phase sine | 32 | 4 Hz sine, 1 ms points | All coils together |
Sources:Our design after the Gateway research notes; Lane et al. 1998, Physiol Behav 63:249 (4 Hz binaural layer); Shakti safety page
Guide arm: 4 then 7 Hz bilateral sine (Gateway Focus 15)Unverified: A construct nobody has tested yet33 min, 2.0 µT
guide-gateway-f15, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), This app's Gateway-style guides (our design; no published protocol)
Experimental arm of the Gateway-style Focus-15 guide (our design, untested): 4 Hz in-phase sine on all temporal coils for 11 min (Focus-10 and Focus-12-style steps), then 7 Hz (count 13 to 15 and open awareness, 12 min), at 2 uT or less. The 7 Hz phase runs 10 min longer than its steps so that a paused guide (the helmet keeps running while the guide is paused) does not cut it short; the guide stops it after its last arm step. A pause still moves the switch to 7 Hz earlier than the steps it belongs to. Run it blinded (real vs sham) from the guide. The Shakti safety page advises against real-time combination with binaural-beat devices.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 4 Hz in-phase sine | 11 | 4 Hz sine, 1 ms points | All coils together |
| 2 | 7 Hz in-phase sine | 22 | 7 Hz sine, 1 ms points | All coils together |
Sources:Our design after the Gateway research notes; Wahbeh et al. 2007, J Altern Complement Med 13:199 (7 Hz layer); Shakti safety page
Guide arm: 4, 7, then 1 Hz bilateral sine (Gateway Focus 21)Unverified: A construct nobody has tested yet36 min, 2.0 µT
guide-gateway-f21, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), This app's Gateway-style guides (our design; no published protocol)
Experimental arm of the Gateway-style Focus-21 guide (our design, untested): in-phase sine on all temporal coils at 4 Hz for 9 min (Focus-10 and 12-style steps), 7 Hz for 4 min (Focus-15-style), then 1 Hz (deepening and open reception, 13 min), at 2 uT or less. The 1 Hz phase runs 10 min longer than its steps so that a paused guide (the helmet keeps running while the guide is paused) does not cut it short; the guide stops it after its last arm step, so it is off during the trial step. A pause still moves the frequency changes earlier than the steps they belong to. Run it blinded (real vs sham) from the guide. The Shakti safety page advises against real-time combination with binaural-beat devices.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | 4 Hz in-phase sine | 9 | 4 Hz sine, 1 ms points | All coils together |
| 2 | 7 Hz in-phase sine | 4 | 7 Hz sine, 1 ms points | All coils together |
| 3 | 1 Hz in-phase sine | 23 | 1 Hz sine, 1 ms points | All coils together |
Sources:Our design after the Gateway research notes; Lane et al. 1998, Physiol Behav 63:249; Shakti safety page
Shakti Helmet emulation (stereo: amygdala left, hippocampus right, 30 min)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
murphy-shakti-helmet-stereo, layout: custom, Todd Murphy (original stereo Shakti Helmet); tested by Tsang, Koren & Persinger 2004
Emulates Murphy's first, discontinued stereo Shakti Helmet: three static coils per side, the amygdala burst-firing signal on the left and the hippocampal theta-burst signal on the right, at the same time, for 30 min. Persinger's lab compared this Shakti treatment with the Koren solenoids and reported a QEEG difference only in high alpha (Tsang et al. 2004).
Setting: Darkness and quiet (the vendor says effects during a session need darkness and silence); eyes closed, relaxed, without meditating or falling asleep; no meditation, mind machines or drugs at the same time.
Schedule: Tsang et al. ran 30 min once a week on 4 successive weeks. Vendor's Shakti rules: at most every 72 h or once a week, never on consecutive days; a series of 3 or 6 sessions, then a 21-day break; try a session 2-3 times before changing it.
Coils: CH1 F7, CH2 T7, CH3 CP5, CH5 F8, CH6 T8, CH7 CP6
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Stereo: amygdala left + hippocampus right (static) | 30 | Accelerating burst 6 → 30 Hz, 0.69 s on, 4 s off, 3 ms points + Point table of 248, 3 ms per point, 3946 ms pause | Left side only, weighted + Right side only, weighted |
Three coils per side. The vendor's emulation page puts 'one positive and two negative coils' on each side, the positive above the ear and the negatives over the frontal and temporal lobes; its comparison page puts the positive over the temporal lobe and the negatives over the frontal and parietal lobes. F7, T7, CP5 and F8, T8, CP6 follow the second description (an inference); CH4 and CH8 stay unused. The negative coils (F7, CP5, F8, CP6) get the reversed signal (weight -1) and the positive ones (T7, T8) the signal as is, so on each side the two outer coils oppose the middle one. Murphy quotes the paper: the right-hemisphere solenoids 'generated a theta-burst pattern' while 'simultaneously, over the left hemisphere, the burst-firing pattern' ran, and the vendor describes 'stereo signals ... but not alternating signals'; so both sides run at once, with no rotation or alternation. Both signal files are proprietary: the amygdala 'burstx' file is approximated by the built-in accelerating burst (6 to 30 Hz), 230 points of 3 ms (0.69 s, the published 230-point burst-firing length at Shakti's standard 3-ms points); the hippocampal 'LTP' file by 4 theta bursts, each of 4 biphasic pulses 9 ms apart (after the 4-pulse 100 Hz bursts of Larson & Lynch), repeated every 186 ms (5.4 Hz, the spectral peak the vendor reports for its LTP signal), on 3-ms points (0.74 s). The two start together every 4.69 s, each followed by about 4 s of silence (Shakti's standard latency). 1 µT lies in the vendor's stated 10-20 mG (1-2 µT). Tsang, Koren & Persinger 2004 (12 people) found no difference from the Koren solenoids in delta, theta, low alpha, beta or gamma; the hippocampus-right, amygdala-left rule rests on small Persinger-lab studies (Persinger, Richards & Koren 1994). Murphy reports headache or pressure in about 2% of users of an earlier version of the technology, mostly with hippocampal signals; if so, lower the intensity by one third. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012, the latter with the 8 Coil Shakti amygdala signal). Not for people with epilepsy; stop at once if distressed.
Aims at: left-amygdala, right-hippocampus-head, right-hippocampus-body, right-hippocampus-tail (field on the brain)
Sources:Murphy, Shakti demo: Emulating the Shakti Helmet; Murphy, Shakti & Koren Helmet - a comparison; Tsang, Koren & Persinger 2004, Int J Neurosci 114:1013 (the Shakti treatment); Murphy, A reply to Gendle & McGrath (quotes the Tsang 2004 methods); Murphy, Shakti demo: What are 'Rapid' and 'High-Speed' signals? (3-ms points, 4-s latency); Murphy, Shakti demo: Formal Discussion (about 9.6 s of field per minute, 10-20 mG); Murphy, Shakti demo: Random Theta Band output (5jut4ran; 5.4 Hz FFT peak, also the LTP signal's peak); Murphy, Shiva demo: Consumer information (headaches with hippocampal signals); Murphy, Shakti demo: Safety - how often; Ryczko & Persinger 2002, Percept Mot Skills 95:592 (230-point burst-firing pattern); Larson & Lynch 1986, Science (theta-burst timing); Persinger, Richards & Koren 1994, Int J Neurosci 79:191; Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217 (8 Coil Shakti amygdala signal, sham-controlled)
Thomas pulse (Cnp patent table, bilateral, 30 min)Single lab: Published by one lab or group, not independently replicated30 min, 1.0 µT
thomas-pulse, layout: custom, Alex W. Thomas and Michael A. Persinger (Lawson Health Research Institute / Laurentian University); the patent table (US 6,234,953: Thomas, Prato, Kavaliers, Persinger) as replayed in Persinger's lab
The decelerating "Thomas pulse" as Persinger's lab replayed it: the exact 849-point table of US patent 6,234,953 at 3 ms per point, one 2.55-s burst of 18 pulses that slow down, repeated almost without a pause, on all eight temporal coils for 30 min. Saroka (2015) gives 30 min of this frequency-modulated pattern over both temporoparietal regions as the first phase of the lab's sensed-presence protocol.
Setting: Seated or reclined, eyes closed or opaque goggles, in a dark, quiet room (the lab used a shielded acoustic chamber).
Schedule: One 30-min session; in Saroka's protocol 30 min of burst-firing follow at once (persinger-saroka-2015-sensed-presence).
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Bilateral Thomas pulse (849 points x 3 ms) | 30 | Point table of 849, 3 ms per point, 3 ms pause | All coils together |
Changed after the primary-source check: this preset used to play the same table at 1 ms per point in the Lawson 4-burst analgesia cycle at 5 uT; it now plays the Laurentian replay (generator "thomas"). The patent's FIG. 2 is captioned "Thomas Pulse (Cnp)", so the Lawson Cnp and the lab's Thomas pattern are one table: the Lawson group played it at 1 ms per point (about 849 ms, around 100 uT in the patent's figure) and Persinger's lab at 3 ms, "849 points each programmed for 3 msec (each cycle lasts 2.55 s)" (Buckner 2015; Murugan 2013), with 3 ms between repeats (Murugan 2013; Carniello 2020). Within each cycle 18 pulses slow from about 12 to 5 per second; the lab's "25 Hz to 6 Hz" labels do not follow from the table and seem to describe its spectrum. Other lab texts give 839 or 859 points, and one rat study describes its frequency-modulated pattern as 837 values at 1 ms once every 4 s (Dixon & Persinger 2001). Saroka gives only "bilateral temporo-parietal", so all eight temporal coils (FT7, T7, CP5, TP7 and FT8, T8, CP6, TP8) play together, an inference; 1 uT is the lab's usual human intensity (cells and mice got 2-10 uT, Buckner 2015). persinger-saroka-2015-sensed-presence runs the whole two-phase protocol and lowfield-cnp-thomas-pulse the Lawson 1-ms version. Persinger's lab reported more left-sided sensed presences with the forward 3-ms pattern than with its reversal (Tiller & Persinger 2002), and in limbic-epileptic rats the 3-ms setting provoked the most seizures (Persinger & Belanger-Chellew 1999). Single-lab work. Independent double-blind tests of God-Helmet-type fields found no field effect (Granqvist 2005; Gendle & McGrath 2012). Not for people with epilepsy or a seizure history; stop on headache, fear or distress.
Aims at: left-tpj, right-tpj, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Thomas, Prato, Kavaliers & Persinger, US 6,234,953 B1, Table 1 and FIG. 2 "Thomas Pulse (Cnp)"; Buckner et al. 2015, PLoS ONE 10(4):e0124136 (Thomas file: 849 points at 3 ms, 2.55 s per cycle); Murugan 2013, MSc thesis, Laurentian University (849 points for the Thomas pulse at 3 ms, 3 ms between repeats; 248 points for burst-x); Carniello 2020, PhD thesis, Laurentian University, p. 89 (230-point burst-firing file, 3-ms points; Thomas file with 3-ms points and intervals); Saroka 2015, doctoral thesis, Laurentian University, p. 29 (sensed-presence protocol: 30 min bilateral temporo-parietal frequency-modulated Thomas pattern, then 30 min BurstX); Dixon & Persinger 2001, Int J Neurosci 108:87 (837 values at 1 ms once every 4 s); Tiller & Persinger 2002, Percept Mot Skills 94:26 (forward vs reversed 3-ms Thomas pattern); Persinger & Belanger-Chellew 1999 (3-ms points and intervals, limbic-epileptic rats); Granqvist et al. 2005, Neurosci Lett 379:1-6; Gendle & McGrath 2012, Percept Mot Skills 114:217
Control 3
Rotating random-sequenced field, 20 min (control arm, Tsang 2009 mood study)Single lab: Published by one lab or group, not independently replicated20 min, 1.0 µT
persinger-mood-rotated-random-2009, layout: custom, Tsang, Koren & Persinger, Laurentian University
The random-sequenced control arm of Tsang, Koren & Persinger 2009: a 1 uT field of random point values rotated around the head at the level of the temporoparietal lobes, 20 min once a week for 3 weeks. It tests whether any field, rather than a specific pattern, changes mood; in the lab's report burst-firing, complex-sequenced and LTP fields reduced fatigue more than this one or sham.
Setting: Seated, eyes closed, in a quiet, dim room. Fill in the same mood questionnaire (the study used the Profile of Mood States) before and after each session.
Schedule: 20 min once a week for 3 weeks. This is the control arm: run it blinded against the burst-firing and LTP arms and against the sham program.
Coils: CH1 Fp1, CH2 FFT7, CH3 TP7, CH4 POO7, CH5 POO8, CH6 TP8, CH7 FFT8, CH8 Fp2
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Random points (3 ms), CCW ring, 20+2 (20 -> 6 ms) | 20 | Random value every 3 ms | Rotating counter-clockwise around all coils, 20 → 6 ms per coil (-2 ms steps) |
Tsang, Koren & Persinger 2009 exposed normal volunteers for 20 min once a week, 3 sessions in all, to 1 of 7 configurations of weak (1 microTesla) fields or to a sham field; "the fields were spatially rotated and applied through the brain at the level of the temporoparietal lobes". Mood (Profile of Mood States) was rated before and after each session, and heart rate, plethysmography and skin conductance were measured before, during and after; the abstract states no autonomic effect. Persinger's lab reported that the burst-firing pattern "previously demonstrated to be effective for clinical depression" improved mood and vigour compared with sham and the other configurations, and that burst-firing, a complex-sequenced pattern and an LTP pattern reduced fatigue compared with sham and random-sequenced fields. The arms rebuilt here are persinger-mood-rotated-burst-2009, persinger-mood-rotated-ltp-2009 and persinger-mood-rotated-random-2009 (run sham, or the app's Blind option, for the sham arm); the complex-sequenced arm and the other three configurations are not described well enough to rebuild. Approximations: the abstract gives no rotation schedule, so one of the lab's documented schedules, '20+2' (20, 18 ... 6 ms per solenoid, one turn 104 ms; Persinger & Lavallee 2010), turning counter-clockwise (the lab standard; Lehman 2016), stands in; the ring of 8 coils about 45 degrees apart on the 10% line, coil 1 over the left frontal region and coil 8 over the right prefrontal region (Fp1, FFT7, TP7, POO7, POO8, TP8, FFT8, Fp2), is an inference from the lab's circumcerebral device. The paper puts the rotation "through the brain at the level of the temporoparietal lobes", that is around T7, TP7, P7 and T8, TP8, P8, while this ring follows the lab's own solenoid order, whose first and last coils sit over the left frontal and right prefrontal regions: the side and back coils are near the paper's plane and the two forehead coils sit above and in front of it. The abstract does not say whether the randomness was in the point values or in the order of the solenoids; here each 3-ms point (the lab's usual point duration) takes a new pseudo-random value, played without pauses, with the same rotation as the other arms, so only the waveform differs. Source cautions: one lab, mood questionnaires, a modest sample spread over 8 groups, never independently replicated. A randomized, sham-controlled test of the 8 Coil Shakti amygdala signal found no effect on emotional responses (Gendle & McGrath 2012), and a double-blind God Helmet test found no field effect (Granqvist 2005). Not a treatment for low mood or depression. Not for anyone with epilepsy or a seizure history; stop on headache, nausea or distress.
Aims at: left-tpj, right-tpj, left-superior-temporal-gyrus-posterior, right-superior-temporal-gyrus-posterior (field on the brain)
Sources:Tsang, Koren & Persinger 2009, Electromagn Biol Med 28:365; Persinger & Lavallee 2010, J Conscious Explor Res 1(7):785 (ring order and the '20+2' notation); Lehman 2016, PhD thesis, Laurentian University, pp. 56-57 (CCW standard, 1-5 uT inside each solenoid); Granqvist et al. 2005, Neurosci Lett 379:1; Gendle & McGrath 2012, Percept Mot Skills 114:217
Sham (no field)Established: Independently replicated, or consensus20 min, 1.0 µT
sham, layout: Temporal 4+4 (Koren helmet / 8-coil Shakti), Standard double-blind sham control, as used by Granqvist et al. 2005 and in sham-helmet studies by van Elk and colleagues
Zero output with identical timers and relay behaviour, for blinded comparisons. Prefer the "Blind" option, which picks real or sham at random for any preset.
Setting: Identical to the program it is compared with.
Schedule: Decide the outcome measure in advance; at least two real and two sham sessions in counterbalanced order, at least 24 h apart.
Coils: CH1 FT7, CH2 T7, CH3 CP5, CH4 TP7, CH5 FT8, CH6 T8, CH7 CP6, CH8 TP8
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | Sham | 20 | No output | All coils together |
Sham, never-energized 'God helmets' produce extraordinary experiences in some people (a minority in the earlier studies, by the lead author's account); absorption predicted how often and how strongly they came (Maij & van Elk 2018), and self-identified spirituality predicted them in a pre-registered festival study of 193 people (Maij, van Elk & Schjoedt 2019). In Granqvist 2005 (double-blind, 89 people) suggestibility, not the field, predicted sensed presence and mystical experiences. A sham only helps if you can't tell it from the real session: keep the room, instructions and timing identical, record your ratings before unblinding, and note which arm you guessed. If you can hear coil hum in the real session, mask it in both arms. Unpleasant feelings can come from the setting alone; stop on distress.
Sources:Granqvist et al. 2005, Neurosci Lett 379:1 (suggestibility, not the field, predicted experiences); Maij & van Elk 2018, Conscious Cogn 66:1; Maij, van Elk & Schjoedt 2019, Religion Brain Behav 9:108; Thomas et al. 2007 (silent identical sham headsets)
Static DC field over left M1 (tSMS comparison)Single lab: Published by one lab or group, not independently replicated20 min, 5.0 µT
lowfield-tsms-dc, layout: custom, Project construct after transcranial static magnetic stimulation (tSMS; Oliviero, Foffani and colleagues, Toledo); replication failures by the Kammer group (Ulm)
A constant current through one coil over the left motor cortex hand area (C3) for 20 min, to show that a DC coil offset is not tSMS: its field is some 20,000-70,000 times weaker than a tSMS magnet and smaller than the Earth's field. Use it for education or as a control condition that looks active.
Setting: Seated, 10-20 min (Oliviero 2011: at least 10 min of tSMS was needed for an effect).
Schedule: As the program it is compared with; no schedule applies to this field.
Coils: CH1 C3
| # | Phase | Min | Signal | Coils |
|---|---|---|---|---|
| 1 | DC offset, one coil at C3 | 20 | Constant current | Coil CH1 only |
In tSMS a strong NdFeB magnet (e.g. N45, 45 mm across and 30 mm thick) is held over the motor cortex hand area; Oliviero 2011 reported up to 25% smaller motor evoked potentials after at least 10 min, and Kirimoto 2016 measured about 110-190 mT at 2-3 cm, roughly the depth of the cortex. This program puts a constant +A (at most 4.54 mA) through one coil at C3 for 20 min, about 3-6 uT at 20 mm: some 20,000-70,000 times weaker than tSMS and smaller than the Earth's static field (about 35-50 uT; about 35 uT in Wang 2019's lab). Turning your head in the Earth's field changes the local field more than this coil does, so no effect is expected; the program exists to make that point and to serve as an active-looking control. tSMS itself is contested: the Kammer group (Ulm) found no effect in three studies, most recently a neuronavigated one with 38 people (Lorenz 2026). The evidence rating describes tSMS with a real magnet (positive reports from several labs, rigorous replication failures), not this coil. For the right hand area put the coil at C4. Dissipation is trivial (calculated: about 0.09 mW in the coil and 45 mW in the 2.2 kOhm series resistor).
Sources:Oliviero et al. 2011, J Physiol; Kirimoto et al. 2016, Sci Rep (110-190 mT at 2-3 cm); Lorenz et al. 2026 (neuronavigated tSMS replication, no effect); Wang et al. 2019, eNeuro (ambient lab field about 35 uT)