RESEARCH BASE
Search 3,717 documents across 34 fields — every claim tier-rated by evidence
177 results for "placebo effect" — page 6 of 9
T_3_01 — Cognitive Biases & Heuristics
Cognitive biases are systematic deviations from rational judgment that arise from the brain's use of mental shortcuts (heuristics) to process complex information under uncertainty.
T_5_16 — Psychoacoustics, Binaural Beats, and Sound-Mind Interaction
Psychoacoustics — the scientific study of how humans perceive sound — reveals that hearing is not a passive recording of air pressure changes but an active, constructive neural process shaped by attention, expectation, e
T_5_10 — The Psychology of Money: Behavioral Economics, Financial Decision-Making, and Wealth Psychology
The psychology of money explores how cognitive biases, emotional responses, social pressures, and personality traits systematically distort financial decision-making — departing dramatically from the "rational economic a
T_5_20 — Synesthesia & Cross-Modal Perception
Synesthesia is a neurological phenomenon in which stimulation of one sensory or cognitive pathway automatically triggers an involuntary experience in a second pathway — for example, seeing specific colors when reading le
T_5_07 — Psychology of Sacred Space and Place
Sacred space — physical locations experienced as qualitatively distinct from ordinary space, charged with spiritual significance, numinous power, or transcendent meaning — is a universal feature of human culture. From Pa
T_5_08 — The Psychology of Awe and Wonder: Vastness, Self-Diminishment, and Transformative Experience
Awe — the emotion arising from encounters with vast, powerful, or complex phenomena that exceed one's current mental frameworks and demand cognitive accommodation (schema revision) — has emerged since the early 2000s as
D_5_10 — Crystal, Stone, and Piezoelectric Technology Claims
Piezoelectricity — the generation of electrical charge from mechanical stress in certain crystals — is well-established physics (discovered by Jacques and Pierre Curie, 1880). Quartz, the most abundant piezoelectric mine
ZD_1_17 — Integrated Information Theory
Integrated Information Theory (IIT) is a mathematical theory of consciousness developed by Giulio Tononi (University of Wisconsin-Madison, 2004; IIT 3.0, 2014; IIT 4.0, 2022) that attempts to explain what consciousness i
L_4_03 — Genetic Clocks and Molecular Dating
The molecular clock — the concept that DNA and protein sequences accumulate mutations at approximately regular rates over time — provides a powerful tool for dating evolutionary divergences independently of the fossil re
L_4_15 — Y-Chromosome and mtDNA Mismatch Patterns in Human Populations
The Y chromosome (paternally inherited, non-recombining) and mitochondrial DNA (maternally inherited) provide independent genealogical records of male and female lineage histories, respectively. When these two markers te
L_2_02 — Population Genetics and Hardy-Weinberg Equilibrium
Population genetics — the mathematical study of allele frequency change in populations — provides the quantitative framework underlying evolutionary biology. The Hardy-Weinberg principle (1908), independently derived by
L_2_16 — Genetic Diversity and Inbreeding: Population Health Across History
Genetic diversity — the total amount of genetic variation within a population — is a fundamental determinant of population health, adaptive potential, and long-term survival. The loss of diversity through inbreeding (mat
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_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
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
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