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.
2,674 results for "Diego de Landa" — page 13 of 134
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
Y_1_16 — Psychedelic Legal Frameworks: Regulation, Decriminalization, and Therapeutic Access
The legal status of psychedelic substances — including psilocybin, LSD, MDMA, DMT/ayahuasca, mescaline, and ibogaine — has undergone dramatic shifts since the mid-20th century, moving from unregulated research compounds
Y_1_01 — Altered States, Psychedelics & Ancient Knowledge
Psychoactive substances played a significant — possibly central — role in ancient knowledge traditions. The Eleusinian Mysteries (kykeon), Vedic tradition (Soma), Egyptian practice (blue lotus), and Mesoamerican religion
H_2_19 — Forbidden Archaeology — Cremo & Thompson Claims
Forbidden Archeology: The Hidden History of the Human Race (1993, revised edition 1998, 914 pages), authored by Michael A. Cremo and Richard L. Thompson, is the most comprehensive compendium of anomalous archaeological a
H_1_12 — Iconoclasm — Systematic Destruction of Sacred Images
Iconoclasm — the deliberate destruction of religious images, statues, and sacred art — is one of the most recurrent and cross-cultural forms of knowledge suppression in human history. Far from random vandalism, iconoclas
H_1_18 — Library of Alexandria: Destruction and the Knowledge-Loss Question
The Library of Alexandria was the most ambitious knowledge-collection project of antiquity, founded under Ptolemy I Soter (~290s BCE) and developed by Ptolemy II Philadelphus as part of the Mouseion — a state-funded rese
BROWSE BY SECTION — 3,721 documents across 34 fields