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.
200 results for "brain death" — page 3 of 10
K_1_04 — Brain as Filter vs Generator
Two opposing models have dominated the consciousness debate for over a century:
K_2_06 — Neurofeedback and Brain Training
Neurofeedback — the real-time display of brain activity (typically EEG) to enable individuals to learn self-regulation of neural dynamics through operant conditioning — has been investigated since the pioneering work of
K_2_01 — Split-Brain Research and Divided Consciousness
Split-brain research — the study of patients whose corpus callosum has been surgically severed to treat intractable epilepsy — stands as one of neuroscience's most philosophically consequential experimental programs. Rog
K_5_13 — Integrated World Models: Bayesian Brain and Consciousness
The Bayesian brain hypothesis proposes that the brain is fundamentally a prediction machine — it constructs and maintains internal generative models of the world (including the body), uses these models to generate predic
K_5_09 — Consciousness and Time Perception: How the Brain Creates Now
Time is perhaps the most intimate dimension of consciousness: every conscious experience occurs in time, and our sense of temporal flow — the feeling that time "passes," that the present moment is real and moving forward
E_2_06 — Black Death, Pandemic Cycles, and Civilizational Reset
The Black Death (1347–1353 CE) was the most devastating pandemic in recorded human history. Caused by the bacterium *Yersinia pestis and transmitted primarily through flea bites from infected rats, the plague killed an e
ZB_2_13 — Death Biology: Programmed Cell Death
Death in biology is not merely the passive failure of living systems but an actively regulated process at multiple levels — from individual cells to whole organisms. Programmed cell death (PCD), particularly apoptosis, w
ZB_5_27 — Human Microbiome: Gut-Brain Axis and Microbial Ecology
The human body hosts approximately 38 trillion microbial cells — roughly equal to the number of human cells — comprising ~3,000 species of bacteria, archaea, fungi, and viruses, collectively termed the microbiome. The Hu
ZC_4_11 — Anthropology of Death: Mortuary Practices, Grief, and the Afterlife
The anthropology of death examines how human societies construct, perform, and give meaning to dying, death, the disposal of the dead, mourning, and beliefs about postmortem existence — revealing that mortuary practices
T_2_08 — Neuropsychology and Brain Damage
Neuropsychology studies the relationship between brain structure/function and behavior — using patterns of cognitive impairment following brain damage to infer how the intact brain organizes mental processes.
T_2_01 — Psychology of Grief, Loss, and Death Awareness
The psychology of grief, loss, and death awareness spans clinical bereavement research, existential psychology, and experimental social cognition. Elisabeth Kübler-Ross's five-stage model (1969), though culturally ubiqui
B_1_03 — Osiris — Death, Resurrection, and the Underworld Kingdom
Osiris (Egyptian: Wsjr, conventionally vocalized as Wesir/Usir) is one of the most important deities of ancient Egypt — the god who rules the underworld (Duat), judges the dead, and provides the template for resurrection
Y_5_22 — Brainwave Entrainment: Neural Oscillation, Binaural Beats, and Auditory Driving
Brainwave entrainment refers to the capacity of external rhythmic stimuli — auditory, visual, or electromagnetic — to synchronize endogenous neural oscillation patterns toward the frequency of the stimulus, a phenomenon
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.
P_4_01 — Death and the Afterlife Across Cultures
Every known human culture has developed beliefs about what happens after death — making afterlife cosmology one of the most universal features of human thought. The major frameworks include: judgment and reward/punishmen
ZE_3_14 — Neuroethics: Brain Scanning, Cognitive Liberty, and Moral Enhancement
Neuroethics — a field formalized in the early 2000s — addresses the ethical, legal, and social implications of neuroscience and neurotechnology. As brain imaging, neural interfaces, pharmacological interventions, and com
R_4_03 — Nervous System Evolution: From Nerve Nets to Brains
The nervous system — the most complex organ system in animals — evolved once (possibly twice) from electrically excitable cells in the common ancestor of bilaterians and cnidarians, approximately 600–700 million years ag
R_2_01 — Human Brain Evolution and the Cognitive Revolution
The human brain tripled in size over 3 million years — from ~400 cm³ (Australopithecus) to ~1,400 cm³ (modern Homo sapiens). This is the most dramatic encephalization in the history of life, and NO consensus exists on wh
S_1_03 — Brain-Computer Interfaces and Consciousness Upload
Brain-computer interfaces (BCIs) translate neural activity into digital signals, enabling direct communication between the brain and external devices. The field spans from mature medical devices (cochlear implants: 1 mil
ZA_4_07 — Boltzmann Brains and Statistical Mechanics Paradoxes
The Boltzmann brain paradox reveals a deep tension between statistical mechanics and cosmology. Ludwig Boltzmann (1896) suggested that the low entropy of the observable universe might be a rare thermal fluctuation from e
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