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 1 of 10
Y_2_04 — Neuroscience of Death — Terminal Lucidity and Dying Brain
The neuroscience of death has emerged as a legitimate research frontier, revealing that dying is not a simple cessation but a complex neurobiological process with surprising features. Michael Nahm and Bruce Greyson's doc
ZE_4_06 — Ethics of Death and Dying
The ethics of death and dying encompasses philosophical questions about the nature and badness of death, moral debates about end-of-life decisions (euthanasia, assisted suicide, palliative care), and the definition of de
U_2_17 — Death Masks & Funerary Portraiture
Death masks — three-dimensional representations of a deceased person's face, typically created by molding plaster, wax, or metal directly over the corpse's features — represent one of humanity's oldest artistic and ritua
X_3_07 — Organ Transplantation
Organ transplantation — the surgical transfer of an organ from one body (donor) to another (recipient) — is one of the most remarkable achievements of modern medicine, transforming previously fatal organ failure into a t
Z_5_18 — Gut-Brain Axis: The Microbiome-Nervous System Connection
The gut-brain axis — the bidirectional communication network between the gastrointestinal tract and the central nervous system — has emerged as one of the most transformative concepts in modern biology and medicine. The
K_3_06 — Disorders of Consciousness: Coma, Vegetative State, and Minimal Consciousness
Disorders of consciousness (DoC) — coma, vegetative state (now termed unresponsive wakefulness syndrome/UWS), and minimally conscious state (MCS) — represent some of the most challenging clinical and philosophical proble
K_3_13 — Coma, Vegetative State, and Minimally Conscious State: Clinical Boundaries
Disorders of consciousness (DoC) — clinical conditions in which awareness (the content of consciousness — perception, thought, experience) and/or arousal (the level of wakefulness — eyes open, sleep-wake cycles) are seve
K_4_18 — Near-Death Experiences: Evidence, Neuroscience, and the Consciousness Debate
Near-death experiences (NDEs) are complex subjective experiences reported by approximately 10–20% of cardiac arrest survivors, characterized by feelings of peace, tunnel vision, life review, encounters with deceased pers
K_4_15 — Shared Death Experiences
Shared death experiences (SDEs) are reported phenomena in which a person who is physically healthy — typically a family member, caregiver, or bystander present at a death — describes experiencing some or all of the featu
K_2_15 — Glial Cells and the Tripartite Synapse: The Brain's Other Half
Glial cells (neuroglia) — comprising astrocytes, oligodendrocytes, microglia, and NG2 glia in the central nervous system, plus Schwann cells and satellite cells in the peripheral nervous system — constitute approximately
K_2_17 — Brain-Computer Interfaces: Neural Engineering, Neuroprosthetics, and the Brain-Machine Frontier
Brain-computer interfaces (BCIs) are systems that establish a direct communication pathway between the brain's electrical activity and external devices, bypassing normal neuromuscular channels. The concept was formalized
K_2_21 — Transcranial Brain Stimulation: tDCS, TMS, and Deep Brain Stimulation
Transcranial brain stimulation encompasses a family of techniques that modulate neural activity by delivering energy — magnetic pulses, electrical current, or implanted electrodes — to specific brain regions. The three p
K_2_10 — Neural Entrainment: External Rhythmic Brain Synchronization
Neural entrainment — the process by which rhythmic external stimuli (sound, light, tactile vibration, or electromagnetic fields) synchronize the timing of neural oscillations in the brain — is a well-established neurophy
K_2_14 — Brain Lateralization and Consciousness: The Divided Brain
Hemispheric lateralization — the functional specialization of the two cerebral hemispheres — is one of the most robust findings in neuroscience and has profound implications for understanding consciousness. The left hemi
K_2_12 — Neural Oscillations and Brainwave Consciousness
Neural oscillations — rhythmic fluctuations in the electrical activity of neuronal populations — are among the most prominent features of brain activity, measurable by electroencephalography (EEG) since Hans Berger's fir
K_5_17 — Neuroplasticity, Cortical Reorganization, and Brain Self-Repair
Neuroplasticity — the brain's ability to reorganize its structure, function, and connections in response to experience, injury, or environmental demand — has transformed neuroscience from a static model ("the adult brain
K_5_15 — Neural Fractals & the Edge of Chaos: Brain Criticality and Complexity
The brain is poised at a critical point between order and chaos — and its fractality is not an accident but a functional necessity. In 2003, John Beggs and Dietmar Plenz published one of neuroscience's landmark papers: t
ZG_5_17 — Neurolinguistics & Brain Imaging
Neurolinguistics — the study of the neural mechanisms underlying the comprehension, production, and acquisition of language — has been transformed by advances in neuroimaging technology since the 1990s, moving from a fie
ZG_5_08 — Neurolinguistics: Broca, Wernicke, Imaging, and the Language Brain
Neurolinguistics — the study of the neural basis of language — investigates how the brain represents, processes, produces, and comprehends language, drawing on evidence from brain lesions (aphasia studies), electrophysio
ZG_4_16 — Language Death and Endangerment: Mechanisms, Metrics, and Revitalization
Of the world's approximately 7,000 living languages, linguists estimate that 50–90% will cease to be spoken by the end of the 21st century — a rate of extinction that dwarfs biological species loss. A language "dies" whe
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