[Study of the family background of patients with seizure-like childhood schizophrenia].

A clinico-genetic investigation of 61 probands with attacklike childhood schizophrenia and 188 relatives including 143 individuals of the first relationship degree (121 parents, 22 sibs) and 45 members of the families of the second and third degree of relationship was conducted. Among the parents 20 manifesting schizophrenic psychoses were detected which equals to 16,5% of the total number of the parents of this group. The parents suffered from attack-like schizophrenia. Besides, the percentage (37,1%) of alleviated forms of psychoses in the parents of this group appeared to be high. The sibs of probands with attacklike schizophrenia had a high risk of schizophrenia (27,2%).