RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

49 results for "feedback loop" — page 1 of 3

Y_3_11 Verified Altered States

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

biofeedback neurofeedback EEG biofeedback brain-computer interface operant conditioning alpha training
X_3_15 Verified Medicine & Healing

X_3_15 — Endocrinology & Hormones

Endocrinology is the branch of medicine dealing with the endocrine system—a network of ductless glands that secrete hormones directly into the bloodstream to regulate metabolism, growth, reproduction, and homeostasis. Th

endocrinology hormones insulin diabetes thyroid pituitary
Z_3_06 Verified Molecular Biology

Z_3_06 — Genetics of Circadian Rhythms

Circadian rhythms — endogenous ~24-hour oscillations in physiology and behavior — are generated by an intracellular transcription-translation feedback loop (TTFL) encoded by a set of core clock genes conserved across ani

circadian rhythm clock genes CLOCK BMAL1 PER CRY
Q_1_18 Verified Cosmology & Physics

Q_1_18 — Loop Quantum Gravity: Discrete Spacetime and the Planck Scale

Loop Quantum Gravity (LQG) is one of two major approaches (alongside string theory) to the quantization of general relativity — the long-sought unification of quantum mechanics and Einstein's theory of gravity. LQG's fou

loop quantum gravity spin foam spin network Planck scale Ashtekar variables Immirzi parameter
ZB_2_10 Verified Ecology & Biology

ZB_2_10 — Endocrine System: Hormones, Chemical Signaling, and Evolution

The endocrine system coordinates organismal development, metabolism, reproduction, and stress responses through chemical messengers — hormones — secreted into the bloodstream. This ancient signaling system predates the n

endocrine system hormones chemical signaling endocrine glands hypothalamus pituitary
ZB_5_02 Verified Ecology & Biology

ZB_5_02 — Biological Networks and Systems Biology

Systems biology investigates how biological function emerges from the collective interactions of molecular components — genes, proteins, metabolites, and signaling molecules — organized into networks. Rather than studyin

systems biology biological networks gene regulatory networks protein-protein interactions metabolic networks signaling pathways
G_3_05 Verified Modern Frameworks

G_3_05 — Self-Organization and Emergence

Self-organization is the process by which global order arises from local interactions among components of an initially disordered system, without external direction or centralized control. Emergence is the closely relate

self-organization emergence complexity Kauffman autocatalysis autopoiesis
G_3_16 Credible Modern Frameworks

G_3_16 — Complexity Theory and Civilizational Collapse

Complexity theory — drawn from physics, mathematics, ecology, and information theory — provides a powerful framework for understanding why civilizations collapse: not as the result of a single catastrophic event, but as

complexity collapse civilization complex systems emergence resilience
O_5_14 Verified Earth Anomalies

O_5_14 — Ocean Acoustic Anomalies: Bloop, Julia, Upsweep, and SOSUS

Since the end of the Cold War, the repurposing of the US Navy's SOSUS (Sound Surveillance System) — a network of fixed underwater hydrophone arrays originally deployed across the Atlantic and Pacific ocean floors during

Bloop Julia Upsweep Slow Down SOSUS underwater sound
O_5_15 Verified Earth Anomalies

O_5_15 — Climate Stability Mechanisms: Feedbacks, Tipping Points, and Earth System Resilience

Earth's climate has maintained conditions hospitable to life for approximately 4 billion years despite dramatic variations in solar luminosity (the Sun was ~30% fainter in the Archean than today — the Faint Young Sun par

climate stability tipping points feedback mechanisms ice-albedo feedback thermohaline circulation carbon cycle
K_2_06 Credible Consciousness

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

neurofeedback EEG biofeedback brain training operant conditioning EEG SMR training alpha-theta training
O_3_17 Credible Earth Anomalies

O_3_17 — Ocean Acoustic Phenomena: The Bloop, the 52-Hz Whale, and SOFAR Channel Mysteries

The ocean produces a rich acoustic environment, and several unexplained or initially mysterious sound detections have captured scientific and public attention since the deployment of deep-ocean hydrophone arrays. [KEY FI

bloop 52-hz-whale sofar-channel hydroacoustics noaa underwater-sound
ZA_2_04 Credible Physics & Quantum

ZA_2_04 — Loop Quantum Gravity: Spacetime as a Fabric of Quanta

Loop quantum gravity (LQG) is a leading approach to quantum gravity that quantizes spacetime itself — predicting that area and volume come in discrete Planck-scale quanta. Unlike string theory, LQG does not require extra

loop quantum gravity LQG spin networks spin foams Planck scale quantum geometry
ZA_1_19 Credible Physics & Quantum

ZA_1_19 — Loop Quantum Gravity

Loop quantum gravity (LQG) is one of two leading candidate theories (alongside string theory) for unifying general relativity with quantum mechanics — the central unsolved problem of theoretical physics. [KEY FINDING] LQ

loop-quantum-gravity quantum-gravity spin-network spin-foam planck-scale discrete-spacetime
ZB_3_19 Verified Ecology & Biology

ZB_3_19 — Permafrost Methane

Permafrost — permanently frozen ground maintained at or below 0°C for at least two consecutive years — underlies approximately 22% of the Northern Hemisphere land surface (about 23 million km²), primarily across Siberia,

permafrost methane thermokarst clathrate greenhouse gas Arctic warming
S_4_17 Verified Future Technology

S_4_17 — Space Habitats & In-Situ Resource Utilization (ISRU): Off-World Settlement Engineering

Space habitats and In-Situ Resource Utilization (ISRU) — the extraction and processing of local materials (regolith, water ice, atmospheric gases) to support human presence beyond Earth — constitute the engineering found

space habitat ISRU O'Neill cylinder Mars settlement lunar base radiation shielding
X_2_01 Verified Medicine & Healing

X_2_01 — Psychosomatic Medicine and Placebo Science

The placebo effect — measurable physiological change resulting from the belief or expectation of treatment rather than the treatment's pharmacological action — is among the most replicated and least understood phenomena

psychosomatic medicine placebo effect nocebo psychoneuroimmunology mind-body medicine stress response
X_5_18 Verified Medicine & Healing

X_5_18 — Binaural Beats: Auditory Processing, Brainwave Entrainment, and Therapeutic Claims

Binaural beats are an auditory perceptual phenomenon first described by Heinrich Wilhelm Dove in 1839: when two tones of slightly different frequencies are presented separately to each ear (e.g., 400 Hz left, 410 Hz righ

binaural beats brainwave entrainment auditory beat stimulation theta waves alpha waves frequency following response
X_5_30 Verified Medicine & Healing

X_5_30 — Heart Rate Variability: Autonomic Function, Stress, and Integrative Health

Heart rate variability (HRV) — the variation in time intervals between consecutive heartbeats — is a non-invasive biomarker of autonomic nervous system (ANS) function that has emerged as one of the most widely studied ph

heart rate variability HRV autonomic nervous system vagal tone sympathovagal balance parasympathetic
ZF_2_07 Verified Oceanography

ZF_2_07 — Marine Microbiology and Plankton

Marine microorganisms — bacteria, archaea, protists, viruses, and microscopic algae — constitute the invisible foundation of ocean life, driving global biogeochemical cycles, producing roughly half of the world's oxygen,

marine microbiology plankton phytoplankton zooplankton cyanobacteria diatom