Psychology

Articles about mind, behavior, mental processes and psychology.

Articles in this category: 394 Updated: April 29, 2026 Page 6 / 9

Oneirology

Oneirology: the scientific study of dreams

Operant conditioning

Operant conditioning: principles, history, and practical applications

Oppositional defiant disorder

Out of body experience

Out-of-Body Experience (OBE): Overview, Causes, and Significance

Palm reading

Palm reading (Chiromancy): Overview, History, Methods, and Cultural Context

Panic attack

Panic disorder

Panic disorder: overview, symptoms, causes and treatment

Pansexuality

Pansexuality: definition, history, and distinctions

Paranoia

Paranoid Thinking: Causes, Symptoms, and Clinical Distinctions

Parapsychology

Parapsychology: study of reported psychic phenomena, research, and debate

Parasomnia

Parasomnia: Causes, Types, and Management

Pareidolia

Parenting

Parenting: Guiding Children from Infancy to Independent Adulthood

Pathological liar

Pedophilia

Perception

Perception (psychology and cognitive science)

Perceptual psychology

Perfectionism

Peripheral vision

Peripheral vision: function, anatomy, and everyday importance

Persistent vegetative state

Personal space

Personal space (proxemics): boundaries, history, and social effects

Personality

Personality: Traits, Theories, and Applications

Personality disorder

Pervasive developmental disorder

Pervasive Developmental Disorder (PDD): Overview, Types, and Management

Philosophy of mind

Phobia

Phobia: causes, types, symptoms and treatment of intense fears

Photographic memory

Photographic memory (eidetic memory): overview, evidence, and distinctions

Phrenology

Phrenology: 19th-century theory linking skull shape to personality

Physical abuse

Physical abuse: definition, signs, effects, and prevention

Physical attractiveness

Physical attractiveness: traits, cultural variation, and social effects

Physical disability

Physical disability: causes, types, and societal responses

Play (activity)

Play (behavioral activity)

Play therapy

Play therapy: principles, methods, uses, and professional practice

Pleasure

Pleasure: emotional experience, types, biology, and cultural meaning

Post-traumatic stress disorder

Post-traumatic stress disorder: causes, symptoms, history, and treatment

Postural orthostatic tachycardia syndrome

Postural orthostatic tachycardia syndrome (POTS)

Pre-frontal cortex

Prefrontal cortex: structure, functions, development, and clinical importance

Precognition

Precognition (Premonition, Second Sight): Overview, Evidence, and Cultural Role

Prejudice

Prejudice: definitions, forms, causes, effects and responses

Pride

Pride: meanings, expressions, and cultural perspectives

Primary progressive aphasia

Problem solving

Procrastination

Procrastination: causes, effects, and ways to manage delaying tasks

Progressive supranuclear palsy

Proprioception

Proxy murder

Proxy murder: homicide carried out on behalf of another

Prudery

Psyche