Pain Systems and Nociception
Investigates ascending nociceptive pathways and descending controls that shape the perception of pain.
Categories
391 categories
Panic Disorder
A disorder characterized by recurrent unexpected panic attacks and persistent worry about further attacks, often leading to agoraphobic avoidance. Research …
Paraphilic Disorders
A group of disorders involving intense and persistent atypical sexual interests that cause distress, harm, or involve non-consenting persons, such as pedophilic …
Parasomnias
Undesirable behaviors, experiences, or movements that occur during sleep or sleep-wake transitions, including nightmares, sleep terrors, and REM sleep behavior …
Parenting Styles
Research on dimensions and typologies of parental behavior and their associations with child and adolescent adjustment.
Pediatric Psychology
Research and practice addressing the psychological and behavioral aspects of illness, injury, and health care in children and adolescents.
Peer Relations and Bullying Prevention
Study of friendships, peer status, and peer influence, along with programs designed to prevent peer victimization and school bullying.
Perfectionism Psychology
Perfectionism psychology explores the science of setting exceptionally high standards, the difference between adaptive and maladaptive striving, and the …
Performance Appraisal
Performance appraisal in psychology: how organizations evaluate employee performance, the cognitive and motivational processes behind ratings, and the …
Persistent Depressive Disorder
A chronic form of depression involving low mood for two years or more, often accompanied by low self-esteem and poor energy, formerly known as dysthymia. …
Person Perception
Study of the processes by which individuals judge and categorize other people, from first impressions to enduring trait inferences.
Person-Centered Therapy
Carl Rogers's non-directive approach providing unconditional positive regard, empathy, and congruence to foster client growth.
Personality Assessment
Study of the measurement of personality through self-report inventories, projective techniques, and behavioral observation.
Personality Psychology
Study of personality traits, types, and individual differences.
Personnel Selection
Scientific methods for choosing the right people for jobs through assessment, testing, and decision-making.
Persuasion
Study of the processes and mechanisms through which communication changes attitudes, including dual-process models and source, message, and audience factors.
PET and Molecular Neuroimaging
Educational encyclopedia articles on positron emission tomography and molecular neuroimaging, covering radiotracer physics, receptor and transporter imaging, …
Play and Learning
Study of how symbolic, social, and physical play contribute to cognitive, social, and emotional learning in childhood.
Play Therapy
Uses play as a child's natural language to process trauma, emotion, and relational themes in developmentally appropriate ways.
Police Psychology
Articles on the psychological science of policing, including officer selection, wellness, use of force, interrogation, eyewitness evidence, and police community …
Positive Psychology
Study of human flourishing, well-being, and psychological strengths.
Post-Traumatic Stress Disorder
A trauma- and stressor-related disorder involving re-experiencing, avoidance, hyperarousal, and negative alterations in cognition and mood after exposure to a …
Power and Status Hierarchies
The psychology of power and status hierarchies, including how rank shapes cognition, emotion, behavior, and the dynamics of groups and organizations.
Prejudice
Research on negative attitudes and feelings toward members of social groups, including their development, expression, and reduction.
Premenstrual Dysphoric Disorder
A severe premenstrual syndrome characterized by marked mood symptoms, irritability, and physical complaints during the luteal phase that impair functioning. …
Prenatal Development
Study of human growth and psychological capacity before birth, from conception through gestation, including teratology, fetal behavior, and the effects of …
Primate Social Cognition
How nonhuman primates perceive, reason about, and navigate their social worlds, from theory of mind and deception to cooperation, culture, and social learning.
Prison Psychology
Articles on psychological life inside correctional facilities, covering adaptation, confinement effects, mental health care, violence, and the behavior of staff …
Problem Solving and Insight
The cognitive processes involved in reaching goals under obstacles. Covers means-end analysis, insight versus incremental solutions, and mental restructuring.
Procrastination Psychology
The psychological study of why people delay tasks despite knowing the delay harms them, examining the emotional, cognitive, and behavioral mechanisms of …
Prolonged Exposure and Trauma-Focused CBT
Trauma-focused protocols using imaginal and in vivo exposure plus cognitive reprocessing to treat posttraumatic stress disorder.
Prolonged Grief Disorder
Persistent, impairing grief lasting at least a year after bereavement, characterized by intense yearning and preoccupation with the deceased. Research addresses …
Prosocial Behavior
Research on voluntary actions intended to benefit others, including helping, sharing, donating, and the motives and contexts that drive them.
Prospective Memory
Remembering to perform intended actions in the future, from taking medication to keeping appointments. Distinguishes time-based and event-based intentions.
Psychedelic-Assisted Therapy
Controlled administration of psychedelics such as psilocybin, MDMA, or ketamine integrated with psychotherapy for treatment-resistant conditions.
Psychoanalysis
The classical depth therapy founded by Freud, using free association, transference, and dream interpretation to uncover unconscious conflict.
Psychodynamic Personality
Study of personality as shaped by unconscious motives, conflicts, and defense mechanisms in the psychoanalytic tradition.
Psychodynamic Psychotherapy
Insight-oriented therapy exploring unconscious conflicts, defenses, and relational patterns rooted in early life experience.
Psycholinguistics
The study of the mental processes underlying language production and comprehension. Covers lexical access, sentence parsing, and real-time processing.
Psychological First Aid
A trauma-informed early intervention providing safety, calming, connection, and practical support after disasters or crises.
Psychology of Aging
Study of psychological development and change in later life, including cognition, wisdom, retirement, and end-of-life processes.
Psychology of Gender
Study of how gender influences identity, behavior, cognition, and social relations across the lifespan.
Psychology of Religion
Study of religious and spiritual beliefs, experiences, and practices, and their psychological foundations, functions, and consequences.
Psychometric Theory and Scale Development
Methods and principles for constructing reliable, valid psychological measures, including classical test theory, item response theory, factor analysis, and …
Psychometrics
The science of psychological measurement, covering test construction, item analysis, scaling, and the statistical properties of instruments.
Psychoneuroimmunology
How the brain, nervous system, and immune system communicate to shape stress, inflammation, health, illness, and psychological well-being.
Puberty and Adolescent Development
Explores the biological, cognitive, and social changes of adolescence, including pubertal maturation, brain development, identity formation, and evolving family …
Qualitative Research Methods
Techniques for studying human experience through words, observation, and texts, including interviews, focus groups, thematic analysis, grounded theory, and …
Rational Emotive Behavior Therapy
Albert Ellis's pioneering CBT variant that targets irrational beliefs through active disputation, rational restructuring, and behavioral homework.
Reading and Word Recognition
The cognitive processes underlying written word identification and text comprehension. Covers orthographic processing, lexical routes, and models of reading.