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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.
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 ...
They may include fully formed images, such as human figures or scenes, angelic figures, or unformed phenomena, like flashes of light or geometric patterns. [2] [3] Visual hallucinations are not restricted to the transitional states of awakening or falling asleep and are a hallmark of various neurological and psychiatric conditions. [3]
Hallucinogen persisting perception disorder (HPPD) is a non-psychotic disorder in which a person experiences apparent lasting or persistent visual hallucinations or perceptual distortions after using drugs, [1] including but not limited to psychedelics, dissociatives, entactogens, tetrahydrocannabinol (THC), and SSRIs.
Psychosis manifests as disorientation, visual hallucinations and/or haptic hallucinations. [2] It is a state in which a person's mental capacity to recognize reality, communicate, and relate to others is impaired, thus interfering with the capacity to deal with life's demands. [3]
Hallucinatory palinopsia refers to the projection of an already-encoded visual memory and is similar to a complex visual hallucination: the creation of a formed visual image where none exists. Hallucinatory palinopsia usually arises from posterior cortical lesions or seizures and can be the presenting symptom of a serious neurological disease.
There is a species of fish that can cause hallucinations when eaten. As Atlas Obscura notes in a recent report, the fish was reportedly consumed by the Romans for its drug-like effects and by the ...
[48] [51] [52] One study looking at cocaine-related deaths in the 1970s and 1980s in Florida, showed that the deaths were more likely to be diagnosed as excited delirium when involving young Black men dying in police custody and "accidental cocaine toxicity" when involving white people. A 1998 study found that "In all 21 cases of unexpected ...