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The hallucinations occurred during normal conscious state and the patient’s neurological signs were associated with those characteristic of an infarct to the midbrain and pons. [1] Von Bogaert, Lhermitte’s colleague, named this type of hallucination “peduncular,” in reference to the cerebral peduncles , as well as to the midbrain and ...
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 ...
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.
Complex (formed) visual hallucinations are more common than Simple (non-formed) visual hallucinations. [8] [10] In contrast to hallucinations experienced in organic conditions, hallucinations experienced as symptoms of psychoses tend to be more frightening. An example of this would be hallucinations that have imagery of bugs, dogs, snakes ...
In Cambodia, hallucinations are linked with spirit visitation, a term they call "cultural kindling". [118] These examples of differences are attributed to culture and the way it shapes conceptions of mental disorders. [116] These cultural differences can be useful in bridging the gap of cultural understanding and psychiatric signs and symptoms ...
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]
Other abnormal mental symptoms in the early stages are, as a rule, absent. The patient is most usually quiet and orderly, with a good memory. First described by Ballet, during 1912, [ 1 ] it has often been a matter of the greatest difficulty to decide under which heading of the recognized classifications individual members of this group should ...