High prevalence of visual hallucinations in research subjects with chronic schizophrenia
Abstract
The authors examined the prevalence of visual hallucinations in severely ill hospitalized research subjects with carefully diagnosed chronic schizophrenia and found it to be high. A chart review of 100 discharged subjects revealed documentation of visual hallucinations in 32%, and a prospective examination of 43 additional subjects revealed a history of visual hallucinations in 56% (N = 24). Also, the fact that in 43% of the patients with visual hallucinations the history of visual hallucinations was first documented during the research ward work-up suggests that clinicians frequently do not inquire about visual hallucinations in patients with chronic schizophrenia.
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