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Phencyclidine or phenylcyclohexyl piperidine (PCP), also known in its use as a street drug as angel dust among other names, is a dissociative anesthetic mainly used recreationally for its significant mind-altering effects. [1] [4] PCP may cause hallucinations, distorted perceptions of sounds, and violent behavior.
Typical symptoms of the disorder include halos or auras surrounding objects, trails following objects in motion, difficulty distinguishing between colors, apparent shifts in the hue of a given item, the illusion of movement in a static setting, visual snow, distortions in the dimensions of a perceived object, intensified hypnagogic and hypnopompic hallucinations, monocular double vision ...
Stimulant psychosis is a mental disorder characterized by psychotic symptoms (such as hallucinations, paranoid ideation, delusions, disorganized thinking, grossly disorganized behaviour). It involves and typically occurs following an overdose or several day binge on psychostimulants , [ 1 ] although it can occur in the course of stimulant ...
Ketamine produces more similar symptoms (hallucinations, withdrawal) without observed permanent effects (other than ketamine tolerance). Both arylcyclohexamines have some(uM) affinity to D2 and as triple reuptake inhibitors. PCP is representative symptomatically, but does appear to cause brain structure changes seen in schizophrenia. [22]
PCP is a non-competitive NMDA receptor antagonist which produces hallucinations and delusions in normal subjects. In rat models, disturbed cognition, deficits in social interaction, locomotor anomalies, and prepulse inhibition deficits are seen on acute administration of PCP. Evidence that persistent PCP use and abuse in humans results in ...
Psychotic-like symptoms, such as hallucinations and unusual perceptual experience, involve gross alterations in the experience of reality. Normal perception is substantially constructive and what we perceive is strongly influenced by our prior experiences and expectancies.
Scientists may have created a way to help overcome one of the biggest problems with popular artificial intelligence systems.. A new tool might allow the tools to find when they are ...
To properly diagnose Substance-Induced Psychotic Disorder, one must conclude that exhibited hallucinations or delusions began during intoxication, withdrawal, or within a month after use of the substance and the symptoms are not related to a non-substance-induced psychotic disorder. [4]