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.
170 results for "cognitive development" — page 1 of 9
T_1_06 — Cognitive Development — Piaget, Vygotsky, Theory of Mind
Cognitive development — how human minds grow in their capacity to think, reason, solve problems, and understand the world — has been dominated by two foundational theories: Jean Piaget's constructivist stage theory (1936
T_1_17 — Educational Psychology: Learning, Development, and Instruction
Educational psychology — the scientific study of how humans learn and how instructional environments can be optimized to support learning — integrates cognitive psychology, developmental theory, motivation research, and
Z_3_01 — Genetics of Brain Development — ASPM, Microcephalin, HAR1
The human brain is approximately three times larger than expected for a primate of our body size, with a vastly expanded cerebral cortex containing ~86 billion neurons. Identifying the genetic basis for this extraordinar
T_2_11 — Psychology of Aging and Gerontology
The psychology of aging examines cognitive, emotional, and social changes across the adult lifespan, integrating insights from developmental psychology, neuroscience, and gerontology. A central distinction in cognitive a
T_1_04 — Developmental Psychology — From Piaget to Attachment Theory
Developmental psychology traces psychological changes across the human lifespan, from prenatal development through aging. Jean Piaget's cognitive stage theory, Lev Vygotsky's sociocultural approach, John Bowlby's attachm
ZB_1_12 — Animal Play Behavior
Play behavior — voluntary, seemingly purposeless activity involving modified versions of functional behaviors — is observed across mammals, many birds, and some reptiles, fish, and invertebrates, yet remains one of the m
T_5_25 — Cognitive Evolution: The Development of Human Mental Capacities
Cognitive evolution — the study of how human mental capacities emerged and developed over evolutionary time — addresses one of the deepest questions in science: how did a lineage of African primates develop language, sym
ZG_3_05 — Language and Thought: Cognitive Semantics
The relationship between language and thought — whether the language we speak shapes, constrains, or determines how we perceive, categorize, and reason about the world — is one of the oldest and most debated questions in
ZB_1_17 — Cognitive Ecology and Animal Decision-Making
Cognitive ecology — the study of how animals' cognitive abilities (perception, learning, memory, decision-making) have been shaped by the ecological challenges they face — bridges behavioral ecology, comparative psycholo
T_3_14 — Cognitive Load Theory: Working Memory, Schema Acquisition, and Instructional Design
Cognitive Load Theory (CLT) — developed by John Sweller (University of New South Wales, 1988–present) — is the most influential theory connecting cognitive architecture (specifically the severe limitations of working mem
T_3_07 — Psychology of Play
Play — voluntary, intrinsically motivated, process-oriented activity distinguished by positive affect, flexibility, and "as-if" pretense — is a universal feature of mammalian development that serves critical functions in
T_5_11 — Self-Deception: Motivated Ignorance, Cognitive Dissonance, and the Limits of Self-Knowledge
Self-deception — the process by which individuals maintain beliefs, self-images, or narratives that are contradicted by available evidence, often without conscious awareness of doing so — sits at the intersection of phil
T_5_22 — Heuristics & Cognitive Biases: Systematic Errors in Human Judgment
Heuristics are mental shortcuts that enable fast, efficient decision-making under conditions of uncertainty — and cognitive biases are the systematic errors that result when those shortcuts misfire. The heuristics-and-bi
B_5_12 — Cognitive Science of Monster Concepts: Why Humans Invent Creatures
Why do all human cultures independently generate remarkably similar monster concepts — predatory hybrids, shape-shifters, reanimated corpses, giant serpents, invisible watchers? Cognitive science offers a compelling fram
L_3_06 — Genetics of Intelligence and Cognition
The genetics of intelligence — one of the most studied yet contentious areas in behavioral genetics — has established that cognitive ability, as measured by standardized tests, has a substantial heritable component (~50–
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
ZE_5_12 — Ethics of Children: Rights, Development, and Moral Status
The ethics of children addresses a fundamental puzzle: children are full human beings deserving of moral respect, yet they lack the autonomy, rationality, and experience that ground many standard moral and political righ
ZE_1_10 — Moral Psychology and Development
Moral psychology investigates how humans actually make moral judgments, develop moral capacities, and experience moral emotions — bridging empirical research and philosophical ethics. Developmental approaches: Jean Piage
R_3_17 — Neoteny & Heterochrony: Developmental Timing in Evolution
Heterochrony — evolutionary change in the timing or rate of developmental processes — is one of the most powerful mechanisms by which organisms evolve new morphologies without requiring entirely new genetic programs. The
K_3_05 — Extended Mind and Cognitive Extension
The extended mind thesis (EMT), proposed by Andy Clark and David Chalmers in their landmark 1998 paper "The Extended Mind," argues that cognitive processes need not be confined within the skull — external objects, tools,
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