Psychology Library — Index
The science of mind and behavior — how people perceive, learn, think, feel, develop, differ, relate, and break down. A behavioral/social science bridging the natural sciences (biology of the brain) and the social sciences (behavior in groups and society). Sister to
Economics/, and adjacent toSciences/Biology/(neuroscience),Humanities/Linguistics/(psycholinguistics), andHumanities/Philosophy/(philosophy of mind).
- Status: Tier 1 complete across the core subfields (13 notes, authored 2026-06-02).
- Conventions: named figures with years; clinical material is non-sensational; statistics in KaTeX (
$...$, LaTeX commands only).
Tier 1 — Foundations
| Topic | File | Scope |
|---|---|---|
| History and systems | history-and-systems-of-psychology | Wundt → psychoanalysis → behaviorism → the cognitive revolution → modern paradigms; the map of the field |
Tier 1 — Biological and cognitive bases
| Topic | File | Scope |
|---|---|---|
| Biological psychology & behavioral neuroscience | biological-psychology-and-behavioral-neuroscience | brain → behavior: neuroanatomy, neurotransmitters, endocrine system, methods, plasticity |
| Sensation and perception | sensation-and-perception | psychophysics, vision, audition, the other senses, Gestalt, perceptual theories |
| Cognitive psychology | cognitive-psychology | attention, memory, knowledge, reasoning, judgment & decision-making |
| Cognitive neuroscience & consciousness | cognitive-neuroscience-and-consciousness | neuroimaging logic, neural bases of cognition, split-brain, the science of consciousness |
| Learning and behavior | learning-and-behavior | classical & operant conditioning, biological constraints, social learning |
Tier 1 — Development and the social world
| Topic | File | Scope |
|---|---|---|
| Developmental psychology | developmental-psychology | Piaget, Vygotsky, attachment, moral & lifespan development |
| Social psychology | social-psychology | attribution, attitudes, conformity & obedience, groups, prejudice, relationships |
Tier 1 — Personality, emotion, and the clinic
| Topic | File | Scope |
|---|---|---|
| Personality psychology | personality-psychology | trait (Big Five), psychodynamic, humanistic, social-cognitive; assessment |
| Emotion and motivation | emotion-and-motivation | theories of emotion, the affective brain, drives, incentives, self-determination |
| Abnormal psychology & psychopathology | abnormal-psychology-and-psychopathology | DSM/ICD, etiology, the major disorder classes |
| Clinical psychology & psychotherapy | clinical-psychology-and-psychotherapy | psychodynamic, humanistic, CBT & third-wave, evidence & outcomes, psychopharmacology |
Tier 1 — Measurement and methods
| Topic | File | Scope |
|---|---|---|
| Psychometrics and research methods | psychometrics-and-research-methods | research designs, reliability & validity, test construction, statistics, the replication crisis, ethics |
Tier 2 — Specialty deep dives
| Topic | File | Scope |
|---|---|---|
| Intelligence and cognitive assessment | intelligence-and-cognitive-assessment-deep | g & CHC theory, IQ testing, the Flynn effect, heritability, validity, and the group-differences controversy |
Tier 3 — Catalogs
- Tier 3 index
- cognitive-biases-catalog — the major cognitive biases & heuristics by category
- mental-disorders-catalog — mental disorders by DSM-5-TR class
- landmark-experiments-catalog — field-shaping experiments + replication status
Adjacent libraries
- neuroscience-foundations — the cellular/systems neuroscience under biological psychology
- psycholinguistics-and-acquisition — language processing & acquisition
- philosophy-of-mind-and-language — the mind-body problem, consciousness, intentionality
- behavioral-economics — judgment & decision-making applied to markets
- cultural-anthropology — behavior in cultural context
- probability-and-statistics — the statistical foundation of psychometrics