ABSTRACT
The earlier detected factor determining the disadaptive behaviour of mental patients formed a basis for grouping children with a high risk of pathological behavioural disorders. The authors conducted a clinico-psychological and sociological study of one such high risk group composed of young children with ante-and perinatal damage to the brain who came from socially disadaptive families. Thirty children and their parents were studied. A pathoplastic effect of a disharmonic familial setting and a distorted nature of the interaction in the mother-child system on the clinical picture including manifestations of encephalopathy, retardation of mental development, specific disorders of communication and the first signs of behavioural disturbances was elucidated. A conclusion was drawn about the advisability of psychotherapeutic, psychocorrective and therapeutic-pedagogical work with such children in a special children institution.