Categories

Glial Cells and Brain Function

Investigates how astrocytes, oligodendrocytes, and microglia modulate signaling and maintain brain health.

Glutamate and Excitatory Signaling

Investigates glutamatergic transmission as the principal excitatory system underlying learning and plasticity.

Goal Setting

Research on how specific, challenging goals and feedback enhance task performance and the moderating conditions of these effects.

Gossip and Reputation

The psychology of gossip and reputation, examining how talk about others enforces norms, builds bonds, and shapes the social standing of individuals.

Gratitude and Appreciation

Explores the psychology of gratitude and appreciation, from the mechanisms of felt and expressed thankfulness to the benefits for mental and physical health, …

Group Dynamics

Study of the formation, structure, functioning, and change of social groups, including roles, norms, cohesion, and intra-group processes.

Group Psychotherapy

Uses group dynamics, cohesion, and interpersonal feedback as therapeutic agents within a structured group setting.

Groupthink

Research on the phenomenon in which the drive for consensus within a cohesive group overrides realistic appraisal of alternatives and leads to poor decisions. …

Gut Brain Axis and Psychological Function

How the gut microbiome, the enteric nervous system, and the gut-brain axis influence mood, cognition, stress, and mental health.

Health Beliefs and Illness Perception

Health beliefs and illness perceptions shape prevention, symptom appraisal, coping, and treatment adherence.

Health Psychology

Study of psychological factors affecting health, illness, and healthcare.

Heart Rate Variability and Stress Regulation

Uses beat-to-beat heart rate variability to index cardiac vagal control and stress resilience.

Hippocampus and Memory Formation

Focuses on hippocampal circuits supporting episodic encoding, consolidation, and spatial navigation.

History of Psychology

History of psychology surveys the schools, systems, and key figures that shaped the discipline from philosophy to science.

Hoarding Disorder

Persistent difficulty discarding possessions, leading to cluttered living spaces and significant distress or functional impairment. Research examines attachment …

Hormones and Behavioral Regulation

Hormones shape how we think, feel, and act. This category explores how endocrine signals regulate emotion, motivation, social behavior, stress, and cognition …

Human Factors Psychology

Study of human-machine interaction, usability, ergonomics, and system safety to optimize human performance and well-being.

Humanistic Personality

Research on personality emphasizing subjective experience, free will, self-actualization, and the innate drive toward growth.

Hypothalamus and Homeostatic Regulation

Studies hypothalamic control of feeding, thirst, temperature, sleep-wake cycles, and endocrine output.

Identity Development

Research on how individuals construct and revise their sense of self, values, and group memberships across adolescence and adulthood.

Illness Anxiety Disorder

Explores the psychology of health-related worry and the persistent fear of having or developing serious illness, covering cognitive, behavioral, developmental, …

Implicit Bias

Study of automatic, unconscious associations and evaluations that can influence judgment and behavior without deliberate awareness or intent.

Implicit Memory

Unconscious retention of skills, habits, and priming effects that do not require deliberate recollection. Often preserved in amnesia and central to procedural …

Inattentional Blindness

The failure to perceive clearly visible objects when attention is engaged elsewhere. Famous demonstrations include the invisible gorilla and change blindness.

Industrial-Organizational Psychology

Study of human behavior in workplace and organizational settings.

Infant Development

Research on psychological growth and functioning from birth through the second year, spanning perceptual, motor, cognitive, social, and emotional milestones.

Insomnia Disorder

Persistent difficulty initiating or maintaining sleep or early awakening despite adequate opportunity, causing daytime impairment. Research examines the …

Intelligence and Cognitive Abilities

Intelligence and cognitive abilities cover the measurement, structure, development, and environmental determinants of reasoning, memory, and problem-solving …

Intergroup Relations

Study of the psychological processes and behaviors that occur between different social groups, including competition, conflict, and cooperation.

Interpersonal Attraction

Research on the factors that draw people to one another, including proximity, similarity, physical attractiveness, and reciprocal liking.

Interpersonal Psychotherapy

A time-limited, attachment-based treatment linking depression and other disorders to grief, role transitions, and interpersonal disputes.

Intrinsic and Extrinsic Motivation

Research on motivation arising from internal interest and enjoyment versus external rewards and pressures, including their interaction.

Jealousy and Envy

The scientific study of jealousy and envy, their evolutionary roots, appraisal dynamics, social functions, and consequences for relationships, work, and …

Job Design and Work Engagement

How the structure of work motivates employees and produces vigor, dedication, and absorption at work.

Job Satisfaction

How and why people experience satisfaction in their work, from motivational theories and measurement methods to the causes, consequences, and modern challenges …

Judgment and Decision Making

How people evaluate options, estimate probabilities, and choose among alternatives. Covers heuristics, framing effects, and normative and descriptive models.

Jury Decision Making

Psychological research on how jurors evaluate evidence, interpret legal instructions, deliberate as groups, and reach verdicts in criminal and civil trials.

Language Acquisition

How infants and children learn their native language. Covers phonological, lexical, and syntactic development and the role of critical periods.

Language Development

Research on how children acquire and refine phonology, vocabulary, grammar, and pragmatics, and on disorders and delays in this process. Studies span infant …

Language Disorders

Developmental and acquired impairments of language, including specific language impairment and developmental language disorder. Covers assessment, …

Late-Life Development

Investigation of psychological functioning and adaptation in later adulthood, covering cognitive aging, socioemotional selectivity, and life review.

Lateralization and Hemispheric Specialization

How cognitive functions are distributed across the brain's two cerebral hemispheres, from language and emotional processing to spatial attention, handedness, …

Leadership Psychology

Leadership psychology is the scientific study of how individuals influence, guide, and coordinate groups toward shared goals, covering leader traits, behaviors, …

Learned Helplessness

Learned helplessness is the psychological state in which repeated exposure to uncontrollable aversive events teaches an organism that its responses cannot …

Learning Disabilities

Research on the causes, identification, and remediation of specific disorders in reading, writing, and mathematics.

Learning Theories and Instructional Design

Study of behavioral, cognitive, and constructivist accounts of learning and their translation into systematic instructional planning.

Life Transitions and Developmental Events

Study of how normative and non-normative transitions, milestones, and life events shape development and adaptation across the lifespan.

Limbic System and Emotional Processing

Covers the interconnected subcortical circuits that generate and regulate emotional experience and expression.

Locus of Control

Locus of control describes the extent to which people believe they can influence the events and outcomes that affect their lives, ranging from a strong internal …

Loneliness and Social Isolation

The science of loneliness and social isolation, their neural and physiological bases, health consequences, and the interventions that restore belonging.