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.

1,728 results for "X chromosome" — page 51 of 87

T_2_01 Verified Psychology & Social

T_2_01 — Psychology of Grief, Loss, and Death Awareness

The psychology of grief, loss, and death awareness spans clinical bereavement research, existential psychology, and experimental social cognition. Elisabeth Kübler-Ross's five-stage model (1969), though culturally ubiqui

grief bereavement Kübler-Ross five stages continuing bonds dual process model
T_2_22 Verified Psychology & Social

T_2_22 — Psychopathy Neuroscience

Psychopathy is a personality disorder characterized by persistent antisocial behavior, impaired empathy and remorse, bold and disinhibited traits, and often superficial charm — affecting an estimated 1% of the general po

psychopathy antisocial personality disorder empathy deficit prefrontal cortex amygdala Hare
T_2_12 Verified Psychology & Social

T_2_12 — Psychology of Trauma and PTSD

Psychological trauma — exposure to events involving actual or threatened death, serious injury, or sexual violence — can produce lasting alterations in cognition, emotion, arousal, and behavior. Post-Traumatic Stress Dis

trauma PTSD post-traumatic stress disorder psychological trauma combat stress DSM
T_2_13 Verified Psychology & Social

T_2_13 — Placebo and Nocebo Effects

The placebo effect — a measurable physiological or psychological improvement in response to an inert treatment — is one of the most robust and well-documented phenomena in medicine and psychology, while the nocebo effect

placebo effect nocebo effect placebo response expectation conditioning endorphins
T_2_05 Verified Psychology & Social

T_2_05 — Clinical Psychology: History and Foundations

Clinical psychology — the assessment, diagnosis, and treatment of mental disorders — evolved from ancient supernatural explanations of madness through institutional reform, the psychoanalytic revolution, behavioral and c

clinical psychology psychotherapy history mental illness history asylums moral treatment Dix
T_1_06 Verified Psychology & Social

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

cognitive development Piaget Vygotsky Theory of Mind Sally-Anne test zone of proximal development
T_1_08 Verified Psychology & Social

T_1_08 — Personality Psychology and the Big Five

Personality psychology seeks to understand individual differences in characteristic patterns of thinking, feeling, and behaving — and why these patterns remain relatively stable across time and situations.

personality psychology Big Five Five-Factor Model OCEAN openness conscientiousness
T_1_18 Verified Psychology & Social

T_1_18 — Attachment Theory

Attachment theory — one of the most influential frameworks in developmental and clinical psychology — proposes that early bonds between infants and caregivers shape social, emotional, and cognitive development across the

attachment-theory john-bowlby mary-ainsworth strange-situation secure-attachment avoidant
T_1_14 Verified Psychology & Social

T_1_14 — Self-Determination Theory: Autonomy, Competence, Relatedness, and Intrinsic Motivation

Self-Determination Theory (SDT) — developed by Edward Deci and Richard Ryan (University of Rochester, 1985–present) — is one of the most influential and empirically supported theories of human motivation, proposing that

self-determination theory SDT Deci Ryan intrinsic motivation extrinsic motivation
T_1_15 Credible Psychology & Social

T_1_15 — Schema Theory: Cognitive Frameworks, Scripts, and Knowledge Organization

Schema theory — the idea that the mind organizes knowledge into structured mental frameworks (schemas) that guide perception, memory, and reasoning — is one of the foundational concepts in cognitive psychology, linking w

schema schema theory Bartlett Piaget assimilation accommodation
T_1_20 Verified Psychology & Social

T_1_20 — Evolutionary Psychology Debate

Evolutionary psychology (EP) is the theoretical approach that applies principles of natural selection and adaptation to understand human psychological traits — arguing that the human mind, like the human body, is the pro

evolutionary psychology adaptationism modularity Leda Cosmides John Tooby Gould
T_1_03 Credible Psychology & Social

T_1_03 — Transpersonal Psychology — Beyond the Personal Self

Transpersonal psychology extends psychological inquiry beyond the individual ego to encompass states of consciousness, spirituality, and experiences transcending ordinary personal identity. Emerging in the late 1960s fro

transpersonal psychology Maslow self-transcendence Stanislav Grof holotropic breathwork Ken Wilber
T_1_01 Credible Psychology & Social

T_1_01 — Jungian Archetypes and the Collective Unconscious

Carl Gustav Jung (1875–1961) developed analytical psychology as a departure from Freudian psychoanalysis, proposing that beneath the personal unconscious lies a collective unconscious—a shared psychic substrate containin

Carl Jung collective unconscious archetypes Shadow Anima Animus
T_1_09 Verified Psychology & Social

T_1_09 — Psychology of Learning and Conditioning

Learning — relatively permanent changes in behavior or behavioral potential resulting from experience — is the foundational process of behavioral adaptation. Three paradigms dominate: classical conditioning (Pavlov, 1927

learning psychology classical conditioning Pavlov operant conditioning Skinner reinforcement
T_1_02 Verified Psychology & Social

T_1_02 — Evolutionary Psychology — The Adapted Mind

Evolutionary psychology applies Darwinian natural and sexual selection to the human mind, proposing that cognitive mechanisms evolved as functional adaptations to recurrent problems faced by ancestral hunter-gatherers in

evolutionary psychology adapted mind modular mind Tooby Cosmides EEA
T_1_17 Verified Psychology & Social

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

educational-psychology piaget vygotsky scaffolding zone-of-proximal-development constructivism
T_1_07 Verified Psychology & Social

T_1_07 — Emotion Theory and Affect

Emotion theory addresses one of psychology's most fundamental and contested questions: What are emotions, where do they come from, and how many are there?

emotion theory affect basic emotions Ekman facial action coding system FACS
T_3_14 Verified Psychology & Social

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

cognitive load theory CLT Sweller working memory intrinsic load extraneous load
T_3_02 Verified Psychology & Social

T_3_02 — Psychology of Creativity & Insight

The psychology of creativity investigates the cognitive processes, personality traits, environmental conditions, and neural mechanisms underlying the generation of novel and useful ideas, solutions, and products.

creativity insight divergent thinking Guilford Wallas incubation
T_3_09 Verified Psychology & Social

T_3_09 — Psychology of Perception and Illusions

Perception — the process by which the brain interprets sensory information to construct a model of the external world — is not a passive recording but an active, constructive process shaped by expectations, context, and

perception visual illusions Gestalt multisensory integration change blindness inattentional blindness