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.
105 results for "neural tube" — page 5 of 6
Y_4_06 — Synesthesia and Cross-Modal Perception
Synesthesia — the involuntary, consistent experience of one sensory modality triggering perception in another (e.g., hearing colors, tasting shapes) — affects roughly 4% of the general population when broad subtype defin
Y_4_04 — Entoptic Phenomena and Phosphene Patterns
This document examines Entoptic Phenomena and Phosphene Patterns, a topic within the Consciousness research area. Key areas of investigation include Defining Entoptic Phenomena, Phosphenes: Light from Within, Heinrich Kl
Y_2_02 — Terminal Lucidity
This document examines Terminal Lucidity, a topic within the Consciousness research area. Key areas of investigation include What Is Terminal Lucidity?, Why This Is Anomalous, The Significance for Consciousness Studies.
Y_2_08 — Anesthesia, Consciousness, and Awareness
General anesthesia — the pharmacological induction of unconsciousness, amnesia, analgesia, and immobility — is one of the most profound alterations of consciousness that humans routinely produce, yet how anesthetics actu
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_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
P_1_01 — The Hard Problem of Consciousness
The Hard Problem of Consciousness, defined by philosopher David Chalmers in 1995, asks: Why does physical processing in the brain give rise to subjective experience? We can explain HOW neurons fire (the "easy problems")
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
ZE_3_21 — Neuroethics and Memory Manipulation
Neuroethics — the study of ethical, legal, and social implications of neuroscience and neurotechnology — has emerged as a critical discipline as advances in brain imaging, neuropharmacology, and neurostimulation create u
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
R_2_09 — Self-Domestication Hypothesis — Did Humans Tame Themselves?
The human self-domestication hypothesis proposes that Homo sapiens underwent a domestication process analogous to that of dogs, livestock, and Belyaev's experimentally domesticated foxes — but without an external domesti
S_4_10 — Space Elevators and Advanced Launch Technology
Space access remains the fundamental bottleneck for space development — current chemical rockets achieve orbit at $1,500–$5,000/kg to low Earth orbit (SpaceX Falcon 9, ~$2,700/kg; Starship aims for <$100/kg but is unprov
S_4_13 — Autonomous Vehicles: Self-Driving, LIDAR, and the Mobility Revolution
Autonomous vehicles (AVs) — automobiles, trucks, and shuttles that use sensors, artificial intelligence, and control systems to navigate without human intervention — represent one of the most anticipated (and overpromise
S_1_19 — Neuromorphic Computing
Neuromorphic computing — the design of hardware and software systems inspired by the architecture and dynamics of biological neural networks — seeks to overcome the limitations of traditional von Neumann computing (seque
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
S_1_02 — The Singularity and Transhumanism
The Singularity hypothesis proposes that technological progress will reach a point — estimated by Ray Kurzweil at approximately 2045 — where artificial superintelligence triggers runaway growth, fundamentally and irrever
S_1_11 — Machine Learning and Deep Learning
Machine learning (ML) is the subfield of AI in which systems learn patterns from data rather than being explicitly programmed. Deep learning uses artificial neural networks with many layers (hence "deep") to learn hierar
S_5_01 — Nanotechnology, Molecular Machines, and Material Frontiers
Nanotechnology — the manipulation of matter at the 1-100 nanometer scale (1 nm = 10⁻⁹ meters; a human hair is ~80,000 nm wide) — represents a convergence of physics, chemistry, biology, and engineering at the scale where
S_2_07 — Neurotechnology and Cognitive Enhancement
Neurotechnology encompasses tools that interface with the nervous system to monitor, modulate, or enhance neural function. Non-invasive brain stimulation: Transcranial Magnetic Stimulation (TMS) uses magnetic pulses to s
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