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.

75 results for "tonal perception" — page 4 of 4

I_5_13 Verified UAP Disclosure

I_5_13 — UAP Debunking and Skeptical Analysis — Identified Cases

UAP skepticism and debunking — the systematic investigation and identification of prosaic explanations for reported unidentified aerial phenomena — is an essential counterbalance to the UAP discourse and has successfully

debunking skeptic skeptical identified prosaic mundane
Z_2_12 Verified Molecular Biology

Z_2_12 — Genetics of Pain Perception

Pain perception — the subjective experience triggered by actual or potential tissue damage — varies enormously across individuals, with genetic factors accounting for 25–50% of the variance in pain sensitivity (twin stud

pain genetics nociception SCN9A Nav1.7 congenital insensitivity to pain TRPV1
Y_4_00 Altered States

Y_4_00 — Sleep Trance Perception: Subfolder Summary

K_5_19 Credible Consciousness

K_5_19 — Mantra: Sacred Sound, Repetition, and Consciousness

Mantra — from the Sanskrit man (mind) + tra (instrument/tool) — refers to sacred syllables, words, or phrases repeated as a meditative, devotional, or ritual practice. Originating in the Vedic tradition (c. 1500–500 BCE)

mantra sacred sound om aum vedic chanting japa
K_5_11 Credible Consciousness

K_5_11 — Synaesthesia and Consciousness: Cross-Modal Binding

Synaesthesia (British spelling; "synesthesia" in American English) is a neurological condition in which stimulation of one sensory or cognitive pathway automatically triggers an involuntary experience in a second, unstim

synaesthesia synesthesia cross-modal grapheme-color sound-color chromesthesia
K_5_22 Verified Consciousness

K_5_22 — Frequency Following Response (FFR)

The Frequency Following Response (FFR) is a sustained, phase-locked far-field electrophysiological response that tracks the periodicity of acoustic stimuli with sub-millisecond precision, generated primarily in the audit

frequency following response FFR auditory brainstem response neural entrainment envelope tracking phase locking
Credible

INTERDOC_10 — Serpent-DNA-Consciousness Thread

The twin-serpent-on-axis motif appears across every major civilization without documented contact: the Gudea Libation Vase of Ningishzida (Louvre AO 190, ~2150–2120 BCE, Sumer), the Greek caduceus of Hermes (~8th century

serpent symbolism DNA double helix caduceus kundalini Ningishzida ouroboros
G_4_13 Verified Modern Frameworks

G_4_13 — HADD and Agency Detection — Why We See Beings Everywhere

The Hyperactive Agency Detection Device (HADD) — a term coined by cognitive scientist Justin Barrett (2000) building on work by Stewart Guthrie (1993) and Pascal Boyer (2001) — refers to the proposed cognitive mechanism

HADD hyperactive agency detection device agency detection cognitive science of religion Barrett Boyer
O_1_12 Credible Earth Anomalies

O_1_12 — The Hum: Worldwide Low-Frequency Acoustic Anomaly

"The Hum" refers to a persistent, low-pitched, droning noise perceived by a small but significant percentage of the population (estimated 2–11% depending on the locality and study) in diverse locations worldwide. The Hum

the Hum low-frequency noise infrasound Taos Hum Bristol Hum Windsor Hum
T_4_16 Verified Psychology & Social

T_4_16 — Impostor Phenomenon & Self-Doubt Psychology

The impostor phenomenon (IP) describes the internal experience of believing that one's achievements are undeserved and that one will eventually be exposed as a fraud, despite objective evidence of competence. First descr

impostor phenomenon impostor syndrome Clance Imes self-doubt fraudulence feelings
T_3_18 Credible Psychology & Social

T_3_18 — Anomalistic Psychology

Anomalistic psychology is the scientific study of extraordinary human experiences — including apparent telepathy, precognition, ghost sightings, alien abduction reports, near-death experiences, and other phenomena tradit

anomalistic psychology paranormal beliefs parapsychology anomalous experiences cognitive biases sleep paralysis
T_3_17 Verified Psychology & Social

T_3_17 — Synesthesia

Synesthesia (from Greek syn- "together" + aisthēsis "sensation") is a neurological condition in which stimulation of one sensory or cognitive pathway automatically triggers involuntary experiences in a second pathway — p

synesthesia grapheme-color chromesthesia cross-modal neuroscience v4-color-area
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_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_2_11 Verified Altered States

Y_2_11 — Déjà Vu and Anomalous Memory Experiences

Déjà vu — from the French "already seen" — is the subjective, compelling sensation that a present experience has been previously encountered, despite the experiencer's knowledge that the situation is objectively novel. F

déjà vu anomalous memory temporal lobe familiarity recollection dual-process theory