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The writer investigates the correlation between the family predisposition of schizophrenic patients, the course of the disease and the prepsychotic personality with the types of mental disease in relatives. The investigation is based on the histories of 316 schizophrenic patients with family histories of 11,410 relatives. One hundred of these patients, with 2,634 relatives, were studied at the Bloomingdale Hospital in New York. The rest of the patients were studied in the various mental institutions in Switzerland. The author gives the statistical results and finds that schizophrenia is more frequent among the relatives of schizophrenic patients than in the total population. Conditions such as mental deficiency and alcoholism are not encountered more frequently in families of schizophrenic patients than in the general population. When schizophrenia reaches a stationary state, the result is recovery in half of the cases and dementia in the other half. Schizophrenia tends either to have a
Sammlung psychiatrischer und neurologischer Einzeldarstellungen. JAMA. 1941;117(13):1138. doi:10.1001/jama.1941.02820390080033
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