Research Article| Volume 22, ISSUE 3, P325-331, March 1987

Relationship of neurological abnormalities in schizophrenics to family psychopathology

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      Competing etiological models make opposite predictions as to the relationship between focal neurological abnormalities in schizophrenics and the prevalence of psychosis in their families. In previous studies of neurological abnormalities in schizophrenia, the authors found an increased prevalence of focal neurological signs in both patients and their nonschizophrenic relatives. The current study examines the relationship between neurological abnormalities in 24 schizophrenic patients and psychopathology in their families. A family history of psychotic psychopathology was found to be associated with an increased prevalence of focal neurological abnormalities in the schizophrenics. The results are relevant to current models of the potential role of neurological factors in the etiology of schizophrenia and illustrate how family studies of the joint distribution of psychiatric and neurological data can potentially help to distinguish between different etiological models.
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