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.
899 results for "PER" — page 7 of 45
B_2_13 — Succubi, Incubi, and Supernatural Sexual Encounters
Reports of nocturnal supernatural sexual encounters constitute one of the most globally consistent categories of anomalous experience, documented across every inhabited continent and spanning thousands of years. The incu
B_3_05 — Thunderbird and Avian Supernatural Beings
Supernatural avian beings — enormous, powerful, and frequently storm-associated birds — form one of the most persistent and geographically widespread motifs in world mythology. From the Thunderbird of North American Plai
ZD_4_02 — Game Theory, Strategic Interaction, and Cooperation
Game theory is the mathematical study of strategic interaction among rational agents, founded by John von Neumann and Oskar Morgenstern's Theory of Games and Economic Behavior (1944) and revolutionized by John Nash's equ
L_1_15 — Out of Africa Alternatives: Multiregional, Assimilation, and Southern Dispersal Models
The origin and dispersal of anatomically modern humans (Homo sapiens) remains one of the most actively debated topics in paleoanthropology. The dominant model — the Recent African Origin (RAO) or "Out of Africa" hypothes
L_1_18 — Human Migration: Out of Africa, Dispersal Patterns, and the Peopling of the World
The migration of Homo sapiens out of Africa and across the globe is one of the most extensively studied processes in human evolutionary history, now reconstructed through converging evidence from genetics (mitochondrial
L_3_03 — Lactase Persistence and Gene-Culture Coevolution
Lactase persistence — the ability of adults to digest the milk sugar lactose — is the most thoroughly documented case of gene-culture coevolution in the human species. The ancestral mammalian condition is lactase non-per
Y_4_06 — Synesthesia and Cross-Modal Perception
Synesthesia — the involuntary, consistent experience of one sensory modality triggering perception in another (e.g., hearing colors, tasting shapes) — affects roughly 4% of the general population when broad subtype defin
Y_5_04 — Anomalous Human Abilities — Yogic Siddhis, Firewalking, and Extreme Performance
Human cultures have long documented individuals who demonstrate extraordinary physical and mental abilities that challenge conventional understanding of human limits. This document surveys the full spectrum, from well-do
Y_2_05 — Near-Death Experiences: Cross-Cultural Analysis
Near-death experiences (NDEs) — profound subjective experiences occurring during clinical death, cardiac arrest, or perceived proximity to death — have been reported across virtually all cultures and historical periods.
Y_2_14 — Dying Process Phenomenology: Shared Death Experiences and After-Death Communication
The phenomenology of death and the experiences reported by those who witness the dying process include several distinct categories of altered-state phenomena that extend beyond the well-known near-death experience (NDE).
Y_2_06 — Dissociation, Depersonalization, and Derealization
Dissociation — the disruption of normally integrated functions of consciousness, memory, identity, emotion, perception, behavior, and sense of self — represents one of the most revealing natural experiments for understan
Y_2_07 — Temporal Lobe Epilepsy and Religious Experience
Temporal lobe epilepsy (TLE) — seizures originating in the temporal lobes, which contain structures critical for memory (hippocampus), emotion (amygdala), and sensory-experiential processing — produces some of the most d
Y_3_04 — Mystical Experience — Neuroscience of the Numinous
Mystical experiences — characterized by unity consciousness, noetic quality, ineffability, transcendence of time and space, and deep positive affect — have been reported across every known culture and religious tradition
Y_3_09 — Prayer, Contemplation, and the Neuroscience of Religious Experience
The neuroscientific study of prayer and religious experience — sometimes termed neurotheology (d'Aquili & Newberg, 1999) — has moved from philosophical speculation to empirical investigation using neuroimaging, EEG, and
Y_3_03 — Flow States and Peak Performance — Psychology of Optimal Experience
Flow — the state of complete absorption in an activity where self-awareness dissolves and performance peaks — was systematically described by psychologist Mihaly Csikszentmihalyi beginning in 1975 and formalized in his l
Y_1_15 — Micro-Dosing: Sub-Perceptual Psychedelic Use and Cognitive Effects
Micro-dosing — the practice of regularly consuming sub-perceptual doses (typically 1/10th to 1/20th of a standard recreational dose) of psychedelic substances, most commonly LSD (~10–20 micrograms) or psilocybin (~0.1–0.
H_4_09 — Whistleblower Persecution and Institutional Retaliation
Throughout history, individuals who expose institutional wrongdoing — government illegality, corporate fraud, scientific misconduct, military atrocities — have faced severe retaliation despite acting in the public intere
P_4_04 — Art as Knowledge Encoding — Visual, Musical, and Performative Epistemologies
Before writing systems emerged (~3200 BCE), and for most of human history since, art — visual, musical, performative, and material — served as a primary means of encoding, storing, and transmitting knowledge across gener
P_4_02 — Perennial Philosophy and Universal Wisdom
The Perennial Philosophy — philosophia perennis — is the thesis that beneath the surface diversity of the world's religious and spiritual traditions lies a SINGLE, universal truth about the nature of reality and human ex
P_1_06 — Personal Identity and Continuity
Personal identity — the question of what makes you you over time, and under what conditions you would cease to exist — is one of philosophy's most ancient and practically urgent problems. The core puzzle is persistence:
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