hallucinogen persistent perception disorder

Dictionary of Hallucinations. . 2010.

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  • Hallucinogen persisting perception disorder — or HPPD is a disorder characterized by a continual presence of visual disturbances that are reminiscent of those generated by the ingestion of hallucinogenic substances. Previous use of hallucinogens is needed, though not sufficient, for… …   Wikipedia

  • hallucinogen-induced persistent perception disorder — (HPPD)    Also known as hallucinogen persistent perception disorder and hallucinogen persisting perception disorder. All three names refer to a diagnostic category characterized by a recurrence or persistence of *entoptic phenomena and/or *visual …   Dictionary of Hallucinations

  • hallucinogen —    Also known as hallucinogenic drug, hallucinogenic substance, magicum, pseudohallucinogen, illusinogen, mysticomimetic, phanerothyme, *psychedelic, psychedelic drug, psychedelic substance, psychotic, psychotomimetic, *phantasticum, and… …   Dictionary of Hallucinations

  • hallucinogen hallucinosis —    see hallucinogen induced persistent perception disorder …   Dictionary of Hallucinations

  • disorder — A disturbance of function, structure, or both, resulting from a genetic or embryonic failure in development or from exogenous factors such as poison, trauma, or disease. adjustmen …   Medical dictionary

  • mental disorder — Any illness with a psychological origin, manifested either in symptoms of emotional distress or in abnormal behaviour. Most mental disorders can be broadly classified as either psychoses or neuroses (see neurosis; psychosis). Psychoses (e.g.,… …   Universalium

  • Depersonalization disorder — Classification and external resources ICD 10 F48.1 ICD 9 300.6 …   Wikipedia

  • Obsessive-compulsive disorder — (OCD) is a chronic anxiety disorder most commonly characterized by obsessive, distressing, intrusive thoughts and related compulsions. Compulsions are tasks or rituals which attempt to neutralize the obsessions. OCD is distinguished from other… …   Wikipedia

  • Lysergic acid diethylamide — LSD redirects here. For other uses, see LSD (disambiguation). LSD 25 redirects here. For the dock landing ship, see USS San Marcos (LSD 25). For the Fringe episode, see Lysergic Acid Diethylamide (Fringe). Lysergic acid diethylamide …   Wikipedia

  • Visual snow — is a transitory or persisting visual symptom where people see snow or television like static in parts or the whole of their visual fields, especially against dark backgrounds. It is much like camera noise in low light conditions. The severity or… …   Wikipedia

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