Abstract
As a part of the ABC Schizophrenia Study, a large-scale investigation of the influences of age and gender on the onset and course of schizophrenia, this study compared retrospective reports about emerging symptomatology during the early course of schizophrenia given by patients and their significant others in a representative lirst admission sample. The Interview for the Retrospective Assessment of the Onset of Schizophrenia (IRAOS), a comprehensive interview assessing early signs and symptoms, revealed that, in most cases, patients as well as informants perceived negative, depressive, and unspecific symptoms as early signs of the disorder. Pairwise agreement about the presence of certain symptoms was good for a limited number of signs, e. g., substance abuse, suieidal behavior, parental and marital role deficits, and paranoid delusions. These items mainly concern abnormal behaviors that can be observed easily. In contrast, there was little agreement between reports about perceptual and formal thought disorder, i.e., subjective internal phenomena. The results supported a continuity model for the observability of symptoms in schizophrenia.
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Hambrecht, M., Häfner, H. & Löffler, W. Beginning schizophrenia observed by significant others. Soc Psychiatry Psychiatr Epidemiol 29, 53–60 (1994). https://doi.org/10.1007/BF00805621
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DOI: https://doi.org/10.1007/BF00805621