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All articles starting with P

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Psychonaut 4

Psychonaut 4 is a Georgian depressive black metal band formed in Tbilisi in 2010, blending black metal with rock and post-punk, known for drug-themed lyrics, the Lifelover influence, and albums like Have a Nice Trip and ...Of Mourning.

Psychonautics

Psychonautics is the deliberate exploration of the human psyche, especially its altered states, through techniques such as psychedelic substances, meditation, breathwork, sensory deprivation, and lucid dreaming.

Psychonauts

Psychonauts: Double Fine's platformer series starring psychic Razputin Aquato who explores minds; debut game 2005 (Majesco, after Microsoft cancellation), sequel Psychonauts 2 in 2021.

Psychonauts 2

Psychonauts 2 is Double Fine's 2021 platform-adventure game, sequel to Psychonauts, following Raz at Psychonauts HQ; crowdfunded on Fig from 2015, finished after Microsoft's 2019 acquisition, released August 25, 2021 to strong reviews.

Psychonauts in the Rhombus of Ruin

Psychonauts in the Rhombus of Ruin is Double Fine's 2017 VR puzzle-adventure interquel between Psychonauts and Psychonauts 2, following Raz's psychic rescue of Truman Zanotto, released on PSVR and PC VR headsets.

PsychonautWiki

PsychonautWiki (PW) is a volunteer-run, community-driven online encyclopedia of psychonautics founded May 11, 2013 as Encyclopedia Psychonautica, covering psychoactive substances, dosages, subjective effects, and harm reduction, distinct from Erowid's experience-report archive.

Psychoneuroendocrinology

Psychoneuroendocrinology (PNE) is an interdisciplinary field linking psychology, endocrinology, immunology, neurology, and psychiatry, studying hormone-brain-behavior interactions; ISPNE founded 1975 with its journal Psychoneuroendocrinology.

Psychoneuroimmunology

Psychoneuroimmunology (PNI), also called psycho-neuro-immunology, studies bidirectional interactions among behavior, nervous and endocrine function, and immunity; founded on Ader and Cohen's 1975 conditioned immunosuppression, spanning stress effects on infection to inflammation in depression.

Psychopathic Personality Inventory

The Psychopathic Personality Inventory (PPI) is a 187-item self-report questionnaire measuring psychopathic personality traits, developed by Scott Lilienfeld and Brian Andrews in 1996 and revised as the PPI-R.

Psychopathic Records

Psychopathic Records, "The Hatchet", is an independent hip hop label founded 1991 in Farmington Hills, Michigan, by Alex Abbiss and Insane Clown Posse; home of Juggalo culture, Dog Beats, and the Gathering of the Juggalos.

Psychopathography of Adolf Hitler

Psychopathography of Adolf Hitler: retrospective psychiatric and psychoanalytic diagnoses of the dictator, from the 1940 Lancet debate and Langer's 1943 OSS profile to Redlich's 1999 medical review, the Pasewalk myth, and 2025 DNA claims.

Psychopathology

Psychopathology is the scientific study of mental disorders, their symptoms, etiology, diagnosis, and treatment, historically organized by DSM and ICD classifications and increasingly studied through dimensional frameworks such as HiTOP and RDoC.

Psychopathy

Psychopathy: personality construct of shallow affect, lack of empathy or remorse, manipulativeness, and antisocial lifestyle; not a DSM/ICD diagnosis (ASPD is closest). Assessed mainly by Hare's PCL-R, a 20-item, 0-40 forensic rating scale with cut-off 30.

Psychopathy Checklist

Psychopathy Checklist (Hare PCL-R) is a 20-item clinician-rated forensic scale scored 0-2 per item from interviews and records, with Factors 1-2, derivatives PCL:SV, PCL:YV, and SRP, published by MHS.

Psychopathy in the workplace

Psychopathy in the workplace, also called corporate psychopathy, is the study of how subclinical psychopathic traits appear among employees and managers, and the harm or advantage they bring.

Psychopharmacology

Psychopharmacology: the study of drugs acting on the brain that influence emotion, thinking, and behavior. Also called psychotropic drug science; began with chlorpromazine in 1950; covers antidepressants, antipsychotics, anxiolytics, and mood stabilizers.

Psychophysical methods

Psychophysical methods are experimental procedures for measuring perception by presenting controlled stimuli and recording observers' reports, estimating detection thresholds and just-noticeable differences through classical and adaptive trial designs.

Psychophysics

Psychophysics is the quantitative study of how physical stimuli relate to sensation and perception, founded by Gustav Fechner, whose 1860 Elemente der Psychophysik defined the field.

Psychophysiology

Psychophysiology studies the interrelationships between physiological and psychological aspects of brain and behavior, using noninvasive measures like EEG, EMG, and heart rate. Organized around the Society for Psychophysiological Research (1960) and its journal Psychophysiology (1964).

Psychopomp

Psychopomp, from Greek psychopompos ("conductor of souls"), is the comparative term for a being that escorts the newly dead to the afterlife: Hermes in Greece, Anubis in Egypt, Charon the ferryman, the Etruscan Charun, and loosely the Norse Valkyries.

Psychosexual development

Psychosexual development is Freud's 1905 theory from Three Essays on the Theory of Sexuality: five stages (oral, anal, phallic, latency, genital) focused on erogenous zones, with fixation causing adult neurosis; largely unsupported empirically.

Psychosexual disorder

Psychosexual disorder, also called psychosexual dysfunction, is a former DSM-III (1980) psychiatric category covering sexual dysfunctions, paraphilias, and gender identity conditions; ICD-11 (2022) replaced it with the chapter Conditions Related to Sexual Health.

Psychosis

Psychosis is a loss of contact with reality marked by hallucinations, delusions, and disordered thinking; it occurs in schizophrenia, bipolar disorder, and other conditions, affects 15–100 per 100,000 yearly, and is treated with antipsychotics and coordinated specialty care.

Psychosocial

Psychosocial describes the interaction of social, cultural, and environmental influences on mind and behavior (APA). Covers Erikson's eight-stage psychosocial development theory, psychosocial health pathways, and WHO/UNICEF mental health and psychosocial support (MHPSS) in emergencies.

Psychosocial Functioning

Psychosocial functioning is how well a person performs everyday social, occupational, and personal roles, and it is a MeSH descriptor used as a treatment outcome in mental health research.

Psychosocial intervention

A psychosocial intervention, also called a psychological intervention, is a non-drug approach such as therapy or support groups that targets the psychological and social dimensions of illness.

Psychosomatic medicine

Psychosomatic medicine: field studying psychological, behavioral, and social factors in disease; also called consultation-liaison psychiatry; Heinroth coined the term in 1818; US subspecialty since 2003.

Psychosurgery

Psychosurgery: surgical destruction of non-diseased brain tissue to treat severe psychiatric illness; originated with Moniz's 1935 leucotomy, peaked with the lobotomy, Nobel Prize 1949, now rare capsulotomy, cingulotomy, and DBS.

Psychotherapy

Psychotherapy, or talk therapy, treats mental disorders through structured dialogue and psychological methods. Key approaches include CBT, psychodynamic, humanistic, and integrative therapies; overall effect size SMD 0.34, comparable to medication.

Psychotherapy, Imagery

Psychotherapy, imagery (MeSH D019018, guided imagery): use of imagined mental images as psychotherapy, spanning guided affective imagery, imagery rescripting, and imagery rehearsal therapy, applied to PTSD, anxiety, depression, and nightmares.