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.
1,444 results for "hard problem of consciousness" — page 6 of 73
Y_1_04 — Biofield Science — Electromagnetic and Subtle Energy Research
Biofield science investigates the electromagnetic, acoustic, and hypothesized "subtle energy" fields associated with living organisms, spanning a spectrum from rigorous biophysics to highly contested alternative medicine
K_4_14 — Consciousness and Quantum Biology: Photosynthesis, Navigation, Smell
Quantum biology — the study of quantum mechanical effects playing functional roles in biological processes — has emerged as one of the most exciting interdisciplinary fields of the 21st century, with direct implications
K_2_06 — Neurofeedback and Brain Training
Neurofeedback — the real-time display of brain activity (typically EEG) to enable individuals to learn self-regulation of neural dynamics through operant conditioning — has been investigated since the pioneering work of
K_2_01 — Split-Brain Research and Divided Consciousness
Split-brain research — the study of patients whose corpus callosum has been surgically severed to treat intractable epilepsy — stands as one of neuroscience's most philosophically consequential experimental programs. Rog
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_02 — Phantom Limb, Body Schema, and Embodied Consciousness
Phantom limb phenomena — the vivid perception of a limb that has been amputated — provide a unique window into the neural construction of bodily self-awareness and the relationship between consciousness and embodiment. F
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_2_11 — Default Mode Network: Brain at Rest and Self-Referential Consciousness
The Default Mode Network (DMN) is a large-scale brain network that is most active when a person is not focused on the external environment — during mind-wandering, daydreaming, self-referential thought, autobiographical
K_5_13 — Integrated World Models: Bayesian Brain and Consciousness
The Bayesian brain hypothesis proposes that the brain is fundamentally a prediction machine — it constructs and maintains internal generative models of the world (including the body), uses these models to generate predic
K_5_16 — Language, Inner Speech & Consciousness
The relationship between language and consciousness is one of the oldest problems in philosophy of mind and one of the most active frontiers of cognitive neuroscience. The central question — whether conscious thought req
K_5_09 — Consciousness and Time Perception: How the Brain Creates Now
Time is perhaps the most intimate dimension of consciousness: every conscious experience occurs in time, and our sense of temporal flow — the feeling that time "passes," that the present moment is real and moving forward
K_5_05 — Consciousness and Information Integration: Phi and Its Critics
Integrated Information Theory (IIT), developed primarily by neuroscientist Giulio Tononi (b. 1960) at the University of Wisconsin-Madison, with significant contributions from Christof Koch (Allen Institute for Brain Scie
K_5_11 — Synaesthesia and Consciousness: Cross-Modal Binding
Synaesthesia (British spelling; "synesthesia" in American English) is a neurological condition in which stimulation of one sensory or cognitive pathway automatically triggers an involuntary experience in a second, unstim
E_4_20 — Catastrophism vs. Uniformitarianism: History of the Debate
The catastrophism vs. uniformitarianism debate represents one of the most consequential intellectual controversies in the history of science — fundamentally shaping how geologists, biologists, and historians understand t
Q_4_07 — Entropy: Order, Disorder, and the Arrow of Time
Entropy is one of the most fundamental and far-reaching concepts in all of physics — a quantity that measures the number of microscopic configurations (microstates) consistent with a system's macroscopic properties (macr
Q_2_12 — Cosmic Nucleosynthesis and Primordial Helium Abundance
Big Bang nucleosynthesis (BBN) — the formation of the lightest elements during the first ~20 minutes after the Big Bang — stands as one of the most remarkable quantitative successes of modern cosmology. With only one fre
Q_3_10 — Tidal Forces, Roche Limits, and Orbital Mechanics
Tidal forces — differential gravitational pulls across an extended body — and orbital mechanics — the motion of objects under gravitational influence — are fundamental physical phenomena governing everything from Earth's
INTERDOC_63 — Sensory Gating as Universal Consciousness Threshold Modulator
Melzack and Wall's gate control theory (1965, Science) demonstrated that pain perception is not direct signal transmission but filtered through a spinal "gate" modulated by large-fiber input, small-fiber input, and desce
INTERDOC_51 — Consciousness as Information Coherence: A Cross-Domain Synthesis
Across anesthesiology, integrated information theory, sleep neuroscience, psychedelic research, near-death studies, microbiome-brain research, and Levin's bioelectric morphogenesis program, a single converging principle
INTERDOC_55 — Barrier Permeability as Consciousness Gate
The mammalian nervous system is biochemically isolated from the rest of the body and the external environment by a layered system of barriers — the blood-brain barrier (BBB), the intestinal epithelial barrier, the blood-
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