RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
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.
187 results for "threshold effect" — page 7 of 10
L_3_06 — Genetics of Intelligence and Cognition
The genetics of intelligence — one of the most studied yet contentious areas in behavioral genetics — has established that cognitive ability, as measured by standardized tests, has a substantial heritable component (~50–
L_3_04 — Y-Chromosome Phylogeny and Patrilineal Deep History
The Y chromosome, transmitted exclusively from father to son, provides a uniquely informative window into patrilineal human history.
Y_4_14 — Virtual Reality, Immersive Technology, and Altered Perception
Virtual reality (VR) and immersive technologies create genuine altered states of perception — not merely visual illusions but deep modifications of body ownership, spatial awareness, self-identity, and emotional processi
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
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
Y_5_05 — Psychic Phenomena: Meta-Analyses and Scientific Evaluation
Parapsychology — the scientific study of purported psychic (psi) phenomena including telepathy, clairvoyance, precognition, and psychokinesis — occupies a unique and contested position in science. Over 130+ years, thousa
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
Y_5_06 — Extreme Environments, Isolation, and Consciousness
Extreme environments and prolonged isolation produce distinctive altered states of consciousness — hallucinations, dissociation, time distortion, the sensation of an unseen companion, and profound shifts in self-identity
Y_2_12 — Automatism and Automatic Writing: Unconscious Production States
Automatism — the production of writing, drawing, speech, or other complex behavior without conscious intention or deliberate control — occupies a fascinating intersection of altered states of consciousness, art history,
Y_3_05 — Contemplative Neuroscience
Contemplative neuroscience — the scientific study of meditation, contemplative practices, and their effects on brain, body, and behavior — has matured from a fringe topic into a rigorous interdisciplinary field over the
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-
Y_3_06 — Awe, Wonder, and Transcendent Emotions
Awe — the emotional response to perceived vastness that requires accommodation (cognitive restructuring of existing mental schemas) — has emerged as a frontier topic in affective neuroscience, positive psychology, and ph
Y_1_08 — Cannabis: History, Ethnobotany, and Pharmacology
Cannabis (Cannabis sativa L.) is one of humanity's oldest cultivated plants, with a relationship spanning at least 12,000 years based on archaeological evidence. Its use as fiber (hemp), food (seeds), medicine, and psych
H_2_04 — Scientific Censorship and Paradigm Defense
The history of science includes well-documented instances where
H_2_14 — Funding Bias in Science: Who Pays, Who Decides, What Gets Studied
Scientific research is shaped not only by curiosity and methodology but by who funds it — and funders' priorities, interests, and incentive structures systematically influence what questions get asked, what methods are u
H_2_07 — Radiocarbon Dating Controversies and Calibration Disputes
Radiocarbon dating — the measurement of the radioactive isotope ¹⁴C in organic materials to determine their age — is archaeology's single most important chronological tool, having revolutionized the discipline since Will
H_3_20 — Free Energy Suppression Claims
The claim that technologies capable of extracting "free energy" — commonly defined as usable energy extracted at no fuel cost from the quantum vacuum, ambient electromagnetic fields, or undiscovered physical mechanisms —
P_5_01 — Is Mathematics Discovered or Invented?
One of the oldest and most consequential questions in philosophy: Does mathematics exist independently of human minds (Platonism), or is it a human invention — a language we construct to describe patterns (formalism/cons
P_5_06 — Philosophy of Mathematics
The philosophy of mathematics investigates the nature of mathematical objects, the status of mathematical truth, and the relationship between mathematics and the physical world. The fundamental question is: Are mathemati
P_2_09 — Cosmopolitanism and Global Ethics
Cosmopolitanism — from the Greek kosmopolitēs ("citizen of the world") — is the philosophical tradition asserting that all human beings belong to a single moral community regardless of nationality, ethnicity, or culture.
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