RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

52 results for "altered-states" — page 1 of 3

Y_3_18 Credible Altered States

Y_3_18 — Sensory Deprivation and Float Tank Research

Sensory deprivation — the deliberate reduction of external sensory stimulation — and its modern therapeutic form, flotation-REST (Restricted Environmental Stimulation Technique), have been studied since the 1950s as a me

sensory-deprivation float-tank isolation-tank restricted-environmental-stimulation john-lilly flotation-rest
U_2_22 Credible Art, Music & Culture

U_2_22 — Shamanic & Entoptic Art

The neuropsychological model of shamanic art proposes that much of humanity's oldest visual art — from Upper Paleolithic cave paintings in Europe to San Bushman rock art in southern Africa to Aboriginal art in Australia

shamanic art entoptic phenomena rock art Lewis-Williams cave art altered states
Verified

INTERDOC_72 — The Psychedelic Entropy Paradox: Coherence Through Anarchy

The "Entropic Brain" hypothesis, pioneered by Robin Carhart-Harris (Imperial College London), demonstrates that under the influence of classic psychedelics (psilocybin, LSD, DMT), the brain's Default Mode Network (DMN) d

psychedelics entropy REBUS model integrated information theory default mode network consciousness
Verified

INTERDOC_75 — Sacred Acoustics and Cymatic Resonance as Consciousness Architecture

[KEY FINDING] Sound is a structural physical force. Cymatics proves that vibration organizes chaotic matter into precise geometric configurations. The acoustic engineering of ancient ritual spaces (often tuned to 111 Hz)

432 hz isochronic tones Ernst Chladni cymatics megalithic acoustics resonance
Credible

INTERDOC_68 — Entity Categories as Attractors in Consciousness State-Space

A recurring mystery across the corpus: why do DMT users, shamanic practitioners, near-death experiencers, medieval monks, ancient temple visitors, and modern abduction reporters describe the same limited set of entity ty

entity encounters consciousness state-space attractors DMT entities NDE beings shamanic entities
K_1_15 Credible Consciousness

K_1_15 — Consciousness–Genetics Interface

Genetic variation significantly modulates conscious experience, including baseline personality, susceptibility to altered states, response to psychoactive substances, meditation capacity, and vulnerability to disorders o

consciousness genetics COMT serotonin receptors FOXP2 psychedelic response meditation genetics
K_5_21 Verified Consciousness

K_5_21 — Entoptic Phenomena: Neural Basis of Universal Visual Patterns

Entoptic phenomena are visual experiences generated within the eye or visual nervous system rather than by external stimuli. They include phosphenes (light flashes from pressure on the eye or electrical stimulation), for

entoptic phosphene form constants geometric hallucination cave art neural pattern
Verified

INTERDOC_63 — Sensory Gating as Universal Consciousness Threshold Modulator

Melzack and Wall's gate control theory (1965, Science) demonstrated that pain perception is not direct signal transmission but filtered through a spinal "gate" modulated by large-fiber input, small-fiber input, and desce

sensory gating gate control theory anesthesia hypnagogia sleep paralysis NDEs
Verified

INTERDOC_55 — Barrier Permeability as Consciousness Gate

The mammalian nervous system is biochemically isolated from the rest of the body and the external environment by a layered system of barriers — the blood-brain barrier (BBB), the intestinal epithelial barrier, the blood-

blood-brain barrier gut-brain axis intestinal permeability consciousness gating neuroinflammation sepsis encephalopathy
Credible

INTERDOC_37 — Consciousness, Entity Contact, and the Contact Nexus

[KEY FINDING] Entity encounters are reported through at least seven independent consciousness-alteration pathways: (1) Psychedelics — DMT, psilocybin, ayahuasca, iboga, 5-MeO-DMT, mescaline; (2) Meditation — deep jhāna s

entity contact altered states consciousness DMT meditation shamanic journey
T_2_14 Verified Psychology & Social

T_2_14 — Hypnosis: Suggestion, Trance, and the Science of Hypnotic Phenomena

Hypnosis — a procedure involving an induction (typically relaxation and focused attention instructions) followed by suggestions for changes in perception, sensation, emotion, thought, or behavior — has oscillated between

hypnosis hypnotic suggestion trance suggestibility hypnotherapy Hilgard
T_3_12 Credible Psychology & Social

T_3_12 — Altered States of Consciousness: Trance, Meditation, and Sensory Deprivation

Altered states of consciousness (ASCs) — states that differ qualitatively from ordinary waking awareness in terms of perception, cognition, self-awareness, affect, and volition — have been systematically studied since th

altered state of consciousness ASC trance meditation sensory deprivation float tank
Y_4_15 Credible Altered States

Y_4_15 — Sensory Overload and Information Flooding: Excess as Altered State

Sensory overload — the state that arises when sensory input exceeds the brain's capacity for orderly processing — represents the mirror image of sensory deprivation as a pathway to altered consciousness. While deprivatio

sensory overload information overload Ganzfeld rave culture overwhelm information flooding
Y_4_16 Verified Altered States

Y_4_16 — Hypnagogia: The Threshold State Between Waking and Sleep

Hypnagogia is the transitional state of consciousness experienced during the onset of sleep (waking-to-sleep), characterized by vivid spontaneous imagery, auditory hallucinations, distorted body perception, and loosened

hypnagogia hypnagogic hypnopompic sleep onset threshold consciousness tetris effect
Y_4_22 Credible Altered States

Y_4_22 — Hypnagogic & Hypnopompic States

Hypnagogia (the transitional state between wakefulness and sleep onset) and hypnopompia (the transition from sleep to waking) are naturally occurring altered states of consciousness experienced universally by humans. Cha

hypnagogia hypnopompia sleep onset phosphenes tetris effect sleep paralysis
Y_4_21 Credible Altered States

Y_4_21 — Fasting-Induced Altered States

Fasting-induced altered states of consciousness — visionary experiences, euphoria, time distortion, dissociation, and mystical-type experiences produced by prolonged food deprivation — represent one of humanity's oldest

fasting altered states ketosis beta-hydroxybutyrate vision quest asceticism
Y_5_16 Credible Altered States

Y_5_16 — Breathwork Traditions: Pranayama, Holotropic, Tummo & Physiological Mechanisms

Deliberate manipulation of breathing patterns — breathwork — represents one of humanity's oldest and most cross-culturally widespread technologies for inducing altered states of consciousness, modulating autonomic functi

breathwork pranayama holotropic-breathing tummo hyperventilation respiratory-alkalosis
Y_5_18 Credible Altered States

Y_5_18 — Sensory Deprivation & Float Tanks

Sensory deprivation — the systematic reduction or elimination of external sensory input — has been studied scientifically since the 1950s, with two primary paradigms: chamber REST (Restricted Environmental Stimulation Te

sensory deprivation flotation REST isolation tank John Lilly Epsom salt theta waves
Y_5_09 Credible Altered States

Y_5_09 — Firewalking: Altered States, Pain Override, and Ritual Confidence

Firewalking — the practice of walking barefoot over a bed of hot embers, coals, or heated stones — is one of the most dramatic and visually arresting ritual practices in world culture, documented across diverse tradition

firewalking fire ritual Anastenaria pain override Leidenfrost effect endorphins
Y_5_13 Verified Altered States

Y_5_13 — Starvation and Dehydration: Cognitive Effects of Deprivation States

Starvation and dehydration — states of severe and prolonged nutritional and fluid deprivation — produce a characteristic and well-documented progression of cognitive, perceptual, and emotional alterations that constitute

starvation dehydration Minnesota starvation experiment cognitive impairment hallucination survival psychology