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.

535 results for "Ka" — page 21 of 27

L_3_05 Verified Genetics & Origins

L_3_05 — Blood Type Genetics and the ABO System

Blood group genetics represents one of the earliest and most clinically important applications of Mendelian inheritance in human biology. Karl Landsteiner's discovery of the ABO blood group system (1900–1901) — which ear

blood type ABO system Rh factor Karl Landsteiner blood transfusion blood group antigens
L_3_02 Credible Genetics & Origins

L_3_02 — Caduceus / Twin-Serpent / DNA Symbolism

This document surveys the widespread twin-serpent-on-axis motif and compares it with the modern DNA double helix. The iconography itself is real and historically well documented, and the molecular structure of DNA is lik

caduceus Rod of Asclepius Ningishzida Hermes kerykeion Fuxi
L_5_08 Verified Genetics & Origins

L_5_08 — Ancient DNA from Sediments: Cave Dirt Genomics

One of the most revolutionary methodological advances in ancient DNA (aDNA) research has been the recovery of hominin DNA directly from cave sediments — without any bones or teeth. This technique, pioneered by Matthias M

sediment DNA environmental DNA eDNA cave sediment ancient DNA metagenomic
Y_4_12 Verified Altered States

Y_4_12 — Psychosomatic Phenomena and the Placebo Effect

Psychosomatic phenomena — bodily changes produced by mental states — and the placebo effect — measurable physiological improvements following inert treatment — demonstrate that consciousness and belief can directly affec

placebo effect nocebo effect psychosomatic mind-body expectation conditioning
Y_4_11 Credible Altered States

Y_4_11 — Trance States Across Cultures

Trance — an altered state of consciousness characterized by narrowed or shifted attention, altered sense of self, reduced awareness of external surroundings, and modified responsiveness — is one of the most universal fea

trance ritual trance cross-cultural trance possession trance shamanic trance altered states of consciousness
Y_4_13 Verified Altered States

Y_4_13 — Collective Effervescence and Group Altered States

Collective effervescence — Émile Durkheim's term (The Elementary Forms of Religious Life, 1912) for the heightened emotional energy generated when people gather and act together in coordinated ritual — describes a group

collective effervescence Durkheim group ritual emotional contagion synchrony entrainment
Y_4_03 Verified Altered States

Y_4_03 — Shamanic Practices / Altered States Synthesis

Shamanic practices represent humanity's oldest spiritual technology, attested across every inhabited continent from at least 30,000 BCE (Upper Paleolithic cave art) to the present day. Despite vast cultural distances — g

shamanism altered states Mircea Eliade ecstasy trance soul journey
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_2_01 Verified Altered States

Y_2_01 — NDEs, OBEs & Consciousness Studies

Modern consciousness research — NDEs in cardiac arrest patients, children's past-life memories, and DMT-induced entity encounters — produces data that intersects remarkably with ancient descriptions of death journeys, as

NDE OBE near-death experience out-of-body AWARE study Parnia
Y_2_15 Credible Altered States

Y_2_15 — Breathwork Traditions: Holotropic, Tummo, and Physiological Extremes

Breathwork — the deliberate manipulation of breathing patterns to induce altered physiological and psychological states — represents one of humanity's oldest and most accessible methods for modifying consciousness, with

breathwork holotropic-breathing tummo wim-hof-method pranayama hyperventilation
Y_2_09 Verified Altered States

Y_2_09 — Sleep Paralysis, Hypnagogia, and Liminal States

Sleep paralysis — a temporary inability to move or speak while falling asleep or waking — is one of the most universal and culturally interpreted altered states, experienced by an estimated 7.6% of the general population

sleep paralysis hypnagogia hypnopompia hypnagogic hallucination old hag kanashibari
Y_3_02 Verified Altered States

Y_3_02 — Meditation, Neuroplasticity, and Contemplative Neuroscience

Meditation — the systematic training of attention and awareness — has been practiced for at least 3,000-5,000 years (earliest evidence: Indus Valley seal of a seated figure in meditation posture, ~2600 BCE; earliest text

meditation neuroplasticity mindfulness MBSR default mode network DMN
Y_3_16 Verified Altered States

Y_3_16 — Vipassana: Insight Meditation Tradition

Vipassana (Pali: vipassanā, "clear seeing" or "insight") is one of the two primary modes of Buddhist meditation alongside samatha (calming/concentration), directed at cultivating direct experiential understanding of the

vipassana insight meditation satipatthana Theravada Mahasi Sayadaw S.N. Goenka
Y_3_11 Verified Altered States

Y_3_11 — Biofeedback and Neurofeedback

Biofeedback is the process of using real-time monitoring of physiological signals — heart rate, muscle tension, skin conductance, brainwave patterns — to train voluntary control over processes normally considered involun

biofeedback neurofeedback EEG biofeedback brain-computer interface operant conditioning alpha training
Y_3_08 Credible Altered States

Y_3_08 — Breathwork and Holotropic States of Consciousness

Deliberate manipulation of breathing patterns to alter consciousness is among the oldest and most widespread human practices, documented in yogic pranayama (circa 500 BCE, Yoga Sutras of Patanjali), Tibetan tummo (inner-

breathwork holotropic breathwork Stanislav Grof hyperventilation respiratory alkalosis hypocapnia
Y_3_17 Credible Altered States

Y_3_17 — Breathwork Traditions: Pranayama, Holotropic Breathing, and Respiratory Consciousness

Breathwork — the intentional manipulation of breathing patterns to influence physiological, psychological, and (in traditional frameworks) spiritual states — encompasses ancient practices dating to the earliest recorded

breathwork pranayama holotropic Wim Hof Buteyko respiratory physiology
Y_1_03 Credible Altered States

Y_1_03 — Classical Antiquity Entheogens Synthesis

This document examines Classical Antiquity Entheogens Synthesis, a topic within the Consciousness research area. Key areas of investigation include Were Ancient Mediterranean Religions Entheogenic?, Why This Matters, The

entheogens psychedelics mystery religions Eleusinian Mysteries kykeon ergot
Y_1_09 Verified Altered States

Y_1_09 — Toxins, Venoms, and Altered States

Several animal toxins and plant poisons produce dramatic altered states of consciousness, and their use in ritual, medicine, and folklore constitutes a significant chapter in the relationship between humans and psychoact

toxin venom poison tetrodotoxin TTX pufferfish
Y_1_19 Credible Altered States

Y_1_19 — Ibogaine Reset Mechanism

Ibogaine — a naturally occurring psychoactive indole alkaloid extracted from the root bark of Tabernanthe iboga, a shrub native to the equatorial forests of Gabon and Cameroon — has emerged as one of the most pharmacolog

ibogaine iboga Tabernanthe iboga addiction opioid noribogaine
Y_1_10 Credible Altered States

Y_1_10 — Ibogaine: African Plant Medicine and Addiction Interruption

Ibogaine is a naturally occurring psychoactive indole alkaloid derived from the root bark of the West African shrub Tabernanthe iboga, which has been used for centuries in the Bwiti spiritual tradition of Gabon, Cameroon

ibogaine iboga Tabernanthe iboga Bwiti addiction interruption opioid withdrawal