[Comparative studies of brain CT scan in schizophrenia].

CT Scan was undertook to 48 schizophrenics and 30 healthy volunteers. The results revealed that: the incidence rate of CT abnormalities was higher in schizophrenics than in normal control; the incidence rate of CT abnormalities in winter-born schizophrenics was higher than in non-winter-born patients; the incidence rate of abnormalities was higher in familial type schizophrenics than in sporadic type; the incidence rate in negative symptom schizophrenics was higher than in positive symptom patients.