Y_0_00 — Altered States & Psychedelics: Section Summary

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_03 — Reincarnation Research — Stevenson, Tucker, Past-Life Memories

Reincarnation research — the systematic, empirical investigation of claims that individuals (typically young children) possess verified memories of previous lives — represents one of the most methodologically rigorous pr

Y_2_06 — Dissociation, Depersonalization, and Derealization

Dissociation — the disruption of normally integrated functions of consciousness, memory, identity, emotion, perception, behavior, and sense of self — represents one of the most revealing natural experiments for understan

Y_2_07 — Temporal Lobe Epilepsy and Religious Experience

Temporal lobe epilepsy (TLE) — seizures originating in the temporal lobes, which contain structures critical for memory (hippocampus), emotion (amygdala), and sensory-experiential processing — produces some of the most d

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_01 — Kundalini and Serpent Energy Traditions

Kundalini ("coiled one" in Sanskrit) describes a dormant serpent-like energy said to reside at the base of the spine, which, when "awakened" through meditation, breathwork, or spontaneous experience, rises through a cent

Y_3_02 — Meditation, Neuroplasticity, and Contemplative Neuroscience

Meditation — the systematic training of attention and awareness — has been practiced for at least 3,000-5,000 years (earliest evidence: Indus Valley seal of a seated figure in meditation posture, ~2600 BCE; earliest text

Y_3_05 — Contemplative Neuroscience

Contemplative neuroscience — the scientific study of meditation, contemplative practices, and their effects on brain, body, and behavior — has matured from a fringe topic into a rigorous interdisciplinary field over the

Y_3_00 — Meditation Contemplative: Subfolder Summary

Y_3_04 — Mystical Experience — Neuroscience of the Numinous

Mystical experiences — characterized by unity consciousness, noetic quality, ineffability, transcendence of time and space, and deep positive affect — have been reported across every known culture and religious tradition

Y_3_11 — Biofeedback and Neurofeedback

Biofeedback is the process of using real-time monitoring of physiological signals — heart rate, muscle tension, skin conductance, brainwave patterns — to train voluntary control over processes normally considered involun

Y_3_20 — Enlightenment Neuroscience: Satori, Samadhi & Mystical States

Enlightenment — known as satori or kensho in Zen Buddhism, samadhi in Hindu yogic traditions, fana in Sufism, theosis in Eastern Orthodox Christianity, and unio mystica in the Western mystical tradition — refers to state

Y_3_09 — Prayer, Contemplation, and the Neuroscience of Religious Experience

The neuroscientific study of prayer and religious experience — sometimes termed neurotheology (d'Aquili & Newberg, 1999) — has moved from philosophical speculation to empirical investigation using neuroimaging, EEG, and

Y_3_06 — Awe, Wonder, and Transcendent Emotions

Awe — the emotional response to perceived vastness that requires accommodation (cognitive restructuring of existing mental schemas) — has emerged as a frontier topic in affective neuroscience, positive psychology, and ph

Y_3_03 — Flow States and Peak Performance — Psychology of Optimal Experience

Flow — the state of complete absorption in an activity where self-awareness dissolves and performance peaks — was systematically described by psychologist Mihaly Csikszentmihalyi beginning in 1975 and formalized in his l

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_03 — Classical Antiquity Entheogens Synthesis

This document examines Classical Antiquity Entheogens Synthesis, a topic within the Consciousness research area. Key areas of investigation include Were Ancient Mediterranean Religions Entheogenic?, Why This Matters, The

Y_1_05 — Soma and Haoma — The Sacred Plant of Vedic and Avestan Ritual

Soma (Sanskrit: sóma) is the most celebrated sacred substance in the Vedic corpus — a pressed plant juice ritually offered to the gods and consumed by priests, praised in all 114 hymns of Rig Veda Mandala IX plus ~6 addi