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.
60 results for "pain" — page 3 of 3
K_1_14 — Qualia: The Subjective Experience Problem
Qualia (singular: quale) — the term used in philosophy of mind for the subjective, experiential properties of conscious mental states — the redness of red, the painfulness of pain, the taste of coffee, the felt quality o
K_4_02 — Stigmata, Faith Healing, and Psychosomatic Phenomena
The human body can do things under the influence of belief that should not be physically possible according to conventional medical models. The placebo effect — a "sugar pill" producing measurable physiological changes —
K_2_02 — Phantom Limb, Body Schema, and Embodied Consciousness
Phantom limb phenomena — the vivid perception of a limb that has been amputated — provide a unique window into the neural construction of bodily self-awareness and the relationship between consciousness and embodiment. F
T_2_14 — Hypnosis: Suggestion, Trance, and the Science of Hypnotic Phenomena
Hypnosis — a procedure involving an induction (typically relaxation and focused attention instructions) followed by suggestions for changes in perception, sensation, emotion, thought, or behavior — has oscillated between
D_2_14 — Valley of the Kings: Royal Tombs and Afterlife Architecture
The Valley of the Kings (Arabic: Wadi al-Muluk; ancient Egyptian: Ta-sekhet-ma'at, "The Great Field") — a narrow, arid wadi on the west bank of the Nile opposite ancient Thebes (modern Luxor) in Upper Egypt — served as t
D_2_02 — Pompeii and Herculaneum — Frozen in Volcanic Time
The Roman cities of Pompeii (~11,000 population) and Herculaneum (~5,000 population) were destroyed and simultaneously preserved by the catastrophic eruption of Mount Vesuvius in AD 79. The eruption (now dated to October
D_1_07 — Teotihuacan — City of the Gods
Teotihuacan — the name itself meaning "the place where gods were born" in Nahuatl, given by the Aztecs who found the city already in ruins — was one of the largest cities in the ancient world, reaching a peak population
D_5_16 — Color Symbolism in Ancient Sacred Architecture
Ancient sacred buildings were never the bare stone ruins we see today. From Egyptian temples blazing with red, blue, yellow, and green to Maya pyramids coated in vivid red plaster to Greek temples painted in polychromati
D_3_08 — Çatalhöyük: Neolithic Urbanism and the Origins of Settled Life
Çatalhöyük is a Neolithic and Chalcolithic settlement located on the Konya Plain of central Anatolia, Turkey, occupied from approximately 7500 to 5700 BCE. At its peak the site housed an estimated 3,000–8,000 inhabitants
D_3_14 — Rock-Hewn Churches of Tigray: Beyond Lalibela
While Lalibela's eleven rock-hewn churches are world-famous, a far more extensive but less-known tradition of rock-cut church architecture extends across the Tigray Region of northern Ethiopia (and neighboring Eritrea) —
Y_4_04 — Entoptic Phenomena and Phosphene Patterns
This document examines Entoptic Phenomena and Phosphene Patterns, a topic within the Consciousness research area. Key areas of investigation include Defining Entoptic Phenomena, Phosphenes: Light from Within, Heinrich Kl
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_07 — Hypnosis — History, Neuroscience, and Therapeutic Application
Hypnosis has evolved from Franz Mesmer's "animal magnetism" theory (1770s) through James Braid's neurological reframing (1843) and James Esdaile's surgical applications in India to Milton Erickson's indirect hypnotherapy
Y_5_18 — Sensory Deprivation & Float Tanks
Sensory deprivation — the systematic reduction or elimination of external sensory input — has been studied scientifically since the 1950s, with two primary paradigms: chamber REST (Restricted Environmental Stimulation Te
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
P_2_10 — Utilitarianism: Bentham, Mill, Singer, and Consequentialist Ethics
Utilitarianism is the ethical theory that the morally right action in any situation is the one that produces the greatest overall happiness (or well-being, or preference satisfaction) for the greatest number of those aff
ZE_1_05 — Utilitarianism and Consequentialism
Consequentialism is the family of ethical theories holding that the moral rightness of an action depends entirely on its consequences — what matters is the outcome, not the motive or the nature of the act itself. Utilita
I_4_06 — Radar-Visual UAP Cases
Radar-visual UAP cases are encounters in which an unidentified aerial object is simultaneously detected by radar (ground-based or airborne) and observed visually by trained observers (pilots, air traffic controllers, mil
U_2_02 — Cave Art — Lascaux, Chauvet & World's Oldest Paintings
Cave art constitutes the oldest known evidence of symbolic visual expression by Homo sapiens (and possibly Neanderthals), with the earliest confirmed figurative painting — a narrative hunting scene at Leang Karampuang, S
X_1_21 — Acupuncture Neuroscience: MRI & Mechanism Studies
Acupuncture — the insertion of thin needles at specific body points — has been practiced in East Asia for over 2,000 years, with the earliest systematic description appearing in the Huangdi Neijing (Yellow Emperor's Clas
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