RESEARCH BASE

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

3,721 Documents 34 Sections 43,623 Citations 34,854 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.

1,680 results for "po tolo" — page 53 of 84

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_17 Verified Psychology & Social

T_2_17 — Depression & Mood Disorders

Major Depressive Disorder (MDD) affects an estimated 280 million people worldwide (WHO, 2023) and is the leading cause of disability globally. The neurobiological understanding of depression has undergone a paradigm shif

depression major-depressive-disorder mood-disorders bipolar serotonin neuroplasticity
T_2_05 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_2_09 Psychology & Social

T_2_09 — Fear, Anxiety, and Phobias

Fear and anxiety are functionally distinct emotion systems: fear is a present-oriented defensive response to immediate threats (fight-flight-freeze), while anxiety is a future-oriented state of apprehension about potenti

fear anxiety phobia amygdala fear conditioning panic disorder
T_1_08 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_13 Credible Psychology & Social

T_1_13 — Object Relations Theory: Internal Worlds, Attachment, and the Relational Self

Object relations theory — the most influential post-Freudian psychoanalytic tradition — shifted the focus of psychoanalysis from Freud's drive theory (instinctual drives seeking discharge) to the primacy of relationships

object relations Melanie Klein Winnicott Fairbairn Bion Kernberg
T_1_10 Psychology & Social

T_1_10 — Psychometrics and Intelligence Testing

Intelligence testing is among the oldest and most psychometrically robust enterprises in psychology. Spearman's g factor (1904) — a general mental ability extracted through factor analysis — remains one of the strongest

psychometrics intelligence IQ g factor Spearman fluid intelligence
T_1_19 Verified Psychology & Social

T_1_19 — Depression: Neurobiology, Treatment Evolution & Cultural Perspectives

Major depressive disorder (MDD) — affecting approximately 280 million people worldwide (WHO, 2021) and ranking as the leading cause of disability globally — is a heterogeneous condition whose neurobiology remains incompl

depression major-depressive-disorder serotonin-hypothesis ssri ketamine neuroplasticity
T_1_11 Psychology & Social

T_1_11 — History of Psychology

Psychology's formal history as an independent discipline spans approximately 150 years — from Wilhelm Wundt's founding of the first experimental psychology laboratory in Leipzig (1879) to the present day. The discipline

history of psychology Wundt structuralism functionalism James behaviorism
T_1_02 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_07 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_10 Verified Psychology & Social

T_3_10 — Psychology of Humor and Laughter

Humor and laughter are universal human behaviors found across all known cultures and appearing early in development (social smiling by 6–8 weeks, laughter by 3–4 months). Three classical theories dominate the field: Supe

humor laughter comedy incongruity theory superiority theory relief theory
T_3_11 Verified Psychology & Social

T_3_11 — Color Psychology and Synesthesia

Color psychology examines how color perception influences cognition, emotion, and behavior, while synesthesia is a neurological condition in which stimulation of one sensory modality automatically triggers perception in

color psychology synesthesia chromesthesia grapheme-color color perception Stroop effect
T_3_03 Psychology & Social

T_3_03 — Psychology of Memory — Encoding, False Memory, Memory Palace

The psychology of memory investigates how information is encoded, stored, consolidated, and retrieved — and how these processes can fail, distort, or be manipulated.

memory encoding retrieval false memory Loftus misinformation effect
T_3_15 Verified Psychology & Social

T_3_15 — Decision Fatigue & Ego Depletion

Decision fatigue describes the deterioration of decision quality after a long session of decision-making, while ego depletion refers to the broader theory that self-control and willpower draw upon a limited mental resour

decision fatigue ego depletion Baumeister self-control willpower glucose
T_3_18 Credible Psychology & Social

T_3_18 — Anomalistic Psychology

Anomalistic psychology is the scientific study of extraordinary human experiences — including apparent telepathy, precognition, ghost sightings, alien abduction reports, near-death experiences, and other phenomena tradit

anomalistic psychology paranormal beliefs parapsychology anomalous experiences cognitive biases sleep paralysis
T_3_04 Psychology & Social

T_3_04 — Sleep Psychology and Dreams

Sleep occupies approximately one-third of human life yet its functions remain among the most actively investigated questions in neuroscience and psychology.

sleep psychology dreams REM sleep NREM sleep dream interpretation Freud dream theory
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
T_3_19 Verified Psychology & Social

T_3_19 — Feral Children, Linguistic Deprivation, and Critical Period Evidence

Feral children — individuals who grew up with minimal or no human contact during their early years — provide the most compelling (and tragic) natural evidence for the critical period hypothesis in language acquisition. T

feral children linguistic deprivation critical period Genie Wiley Victor of Aveyron Kaspar Hauser
T_5_16 Verified Psychology & Social

T_5_16 — Psychoacoustics, Binaural Beats, and Sound-Mind Interaction

Psychoacoustics — the scientific study of how humans perceive sound — reveals that hearing is not a passive recording of air pressure changes but an active, constructive neural process shaped by attention, expectation, e

psychoacoustics binaural beats auditory perception brainwave entrainment frequency following response infrasound