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2,668 results for "de officiis" — page 12 of 134
L_2_17 — Pacific Islander Genetics: Austronesian Ancestry, Denisovan Introgression, and Oceanian Genomics
Pacific Islander populations — spanning Melanesia, Micronesia, and Polynesia — harbor some of the most genetically complex and scientifically informative genomes in human biology. Their genetic history records multiple d
L_5_10 — Neandertal Introgression: Which Genes and Why They Persisted
When modern humans (Homo sapiens) migrated out of Africa ~60,000-70,000 years ago and encountered Neanderthals (Homo neanderthalensis) in western Asia and Europe, the two species interbred — and the genetic legacy of tha
L_5_11 — Genetics of Altitude Adaptation: Tibet, Andes, Ethiopia
High-altitude adaptation represents one of the most dramatic and best-studied examples of natural selection in contemporary human populations. More than 140 million people worldwide live at elevations above 2,500 meters,
Y_4_17 — Sleep Disorders & Parasomnias
Sleep disorders affect an estimated 50–70 million Americans and up to 45% of the global population, encompassing over 80 distinct conditions classified by the International Classification of Sleep Disorders (ICSD-3, 2014
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_13 — Starvation and Dehydration: Cognitive Effects of Deprivation States
Starvation and dehydration — states of severe and prolonged nutritional and fluid deprivation — produce a characteristic and well-documented progression of cognitive, perceptual, and emotional alterations that constitute
Y_5_12 — Dark Retreat: Extended Light Deprivation and Endogenous Visionary States
The dark retreat (yangti nagpo or mun mtshams in Tibetan) is an advanced contemplative practice — primarily within the Dzogchen (Great Perfection) tradition of Tibetan Buddhism and the closely related Bön tradition — in
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_16 — Near-Death Experience Latest Research
Near-death experiences (NDEs) — the vivid, structured experiences reported by approximately 10–20% of cardiac arrest survivors (including out-of-body perception, tunnel experiences, life reviews, encounters with deceased
Y_2_01 — NDEs, OBEs & Consciousness Studies
Modern consciousness research — NDEs in cardiac arrest patients, children's past-life memories, and DMT-induced entity encounters — produces data that intersects remarkably with ancient descriptions of death journeys, as
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
Y_3_13 — Visionary Art: Depicting Altered States from Hildegard to Grey
Visionary art — artistic creation inspired by, depicting, or emerging from altered states of consciousness — spans the entire history of human image-making, from Paleolithic cave paintings (whose geometric patterns David
Y_3_15 — Pilgrimage as Altered State: Walking, Devotion, and Transformation
Pilgrimage — the deliberate journey to a sacred place as an act of devotion, penance, healing, or spiritual seeking — is one of humanity's most ancient and universal practices for inducing transformative altered states t
Y_3_18 — Sensory Deprivation and Float Tank Research
Sensory deprivation — the deliberate reduction of external sensory stimulation — and its modern therapeutic form, flotation-REST (Restricted Environmental Stimulation Technique), have been studied since the 1950s as a me
Y_1_04 — Psychedelic Renaissance — Clinical Research and Consciousness
The psychedelic renaissance — a resurgence of rigorous scientific research on psychedelic substances after decades of prohibition — has produced some of the most significant findings in 21st-century psychiatry and consci
Y_1_14 — Toad Venom: Bufo alvarius, 5-MeO-DMT, and Desert Sacrament
Toad venom — specifically the venom of the Sonoran Desert toad (Incilius alvarius, formerly Bufo alvarius) — contains 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT), one of the most potent psychoactive tryptamines known, p
Y_1_06 — Psychedelic Research — Modern Science and Ancient Entheogen Parallels
Psychedelic research has undergone a dramatic revival since ~2006, with major studies at Johns Hopkins, Imperial College London, NYU, and MAPS demonstrating the therapeutic potential of psilocybin, MDMA, and ayahuasca/DM
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.
Y_1_07 — Ego Dissolution and Psychedelic Neuroscience
Ego dissolution — the temporary loss of the subjective sense of self, personal boundaries, and the distinction between self and world — is among the most profound and therapeutically significant effects of serotonergic p
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