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.
658 results for "near-death experience NDE" — page 20 of 33
T_4_08 — Behavioral Economics and Nudge Theory
Behavioral economics integrates psychology into economic models, challenging the rational agent (homo economicus) assumption of classical economics. The field was established by Daniel Kahneman and Amos Tversky's Prospec
T_4_10 — Conformity and Obedience: Asch, Milgram, and the Social Psychology of Compliance
The study of conformity (adjusting one's behavior or beliefs to match a group) and obedience (following directives from an authority figure) produced some of the most famous — and disturbing — experiments in the history
T_2_07 — Psychology of Addiction
Addiction — compulsive engagement with a substance or behavior despite harmful consequences — is now understood as a chronic brain disorder involving neuroplastic changes in reward, motivation, memory, and executive cont
T_2_06 — Health Psychology and Stress
Health psychology investigates how psychological, behavioral, and social factors influence health, illness, and healthcare — integrating biological and psychosocial perspectives within the biopsychosocial model (Engel, 1
T_2_12 — Psychology of Trauma and PTSD
Psychological trauma — exposure to events involving actual or threatened death, serious injury, or sexual violence — can produce lasting alterations in cognition, emotion, arousal, and behavior. Post-Traumatic Stress Dis
T_3_06 — Psychology of Decision Making
The psychology of decision making — transformed by Kahneman & Tversky's heuristics and biases program (1970s) and formalized in prospect theory (1979, Nobel Prize in Economics 2002) — demonstrates that human judgment and
T_3_02 — Psychology of Creativity & Insight
The psychology of creativity investigates the cognitive processes, personality traits, environmental conditions, and neural mechanisms underlying the generation of novel and useful ideas, solutions, and products.
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_3_12 — Altered States of Consciousness: Trance, Meditation, and Sensory Deprivation
Altered states of consciousness (ASCs) — states that differ qualitatively from ordinary waking awareness in terms of perception, cognition, self-awareness, affect, and volition — have been systematically studied since th
T_5_03 — Embodied and Social Cognition
Embodied cognition challenges the classical computational model of mind (cognition as abstract symbol manipulation, independent of the body) by proposing that cognitive processes are fundamentally shaped by the body's ph
T_5_04 — Psychology of Religion and Spirituality
The psychology of religion investigates why humans believe in supernatural agents, how religious practices affect cognition and well-being, and what psychological functions religion serves. The field was inaugurated by W
T_5_22 — Heuristics & Cognitive Biases: Systematic Errors in Human Judgment
Heuristics are mental shortcuts that enable fast, efficient decision-making under conditions of uncertainty — and cognitive biases are the systematic errors that result when those shortcuts misfire. The heuristics-and-bi
T_5_15 — Sport Psychology: Flow States, Peak Performance, and Mental Training
Sport psychology — the scientific study of psychological factors influencing athletic performance, exercise behavior, and physical activity — spans applied mental skills training (visualization, self-talk, goal setting,
T_5_01 — Sports Psychology and Performance
Sports psychology investigates the psychological factors that influence athletic performance, exercise behavior, and physical activity — applying principles from cognitive, social, and clinical psychology to optimize hum
D_2_07 — Persepolis: Achaemenid Architecture, Apadana Reliefs, and Imperial Ideology
Persepolis (Old Persian: Pārsa; modern Takht-e Jamshid, Fars Province, Iran) was the ceremonial capital of the Achaemenid Persian Empire, constructed primarily under Darius I (r. 522–486 BCE) and his son Xerxes I (r. 486
D_2_01 — Maltese Temple Builders and the Ħal Saflieni Hypogeum
The Maltese Temple Period (~3600–2500 BCE) produced the oldest free-standing structures on Earth — predating the Egyptian pyramids by ~1,000 years and Stonehenge by ~1,500 years. The tiny Maltese islands (316 km² total —
D_1_08 — Tiwanaku and Puma Punku Deep Dive
Tiwanaku, situated at 3,825m elevation on the Bolivian Altiplano near the shores of Lake Titicaca, was the highest-altitude imperial capital in the ancient world. Flourishing from approximately 300 to 1000 CE, its influe
D_1_25 — Ollantaytambo: Megalithic Engineering in the Sacred Valley
Ollantaytambo (Quechua: Ullantaytampu) is a monumental Inca archaeological site at 2,792 m elevation in the Sacred Valley (Urubamba Valley) of Peru, approximately 72 km northwest of Cusco. It served simultaneously as a r
D_1_06 — Carnac, Avebury, and European Megalithic Alignments
Europe's megalithic tradition extends from Portugal to Scandinavia and spans roughly 4800–1500 BCE, encompassing thousands of stone circles, standing stones (menhirs), stone rows, dolmens, and passage tombs. The Carnac a
D_5_09 — Ancient Writing Systems Compared
The invention of writing — the transition from oral to literate civilization — is among humanity's most consequential technological achievements. Yet its origins remain debated: was writing invented once and diffused, or
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