[Features of disorders of mental activity in schizophrenics].

A comparative experimental-psychological study of characteristics of psychic activity disorders was conducted in patients of 2 nosological groups: patients with schizophrenia and patients with astheno-neurotic disturbances in neurasthenia. The authors used methods directed at the study of characteristics of involuntary and voluntary attention as the direct expression and prerequisite of the activity of psychic processes. On the basis of the experimental data, the authors attempt to develop a psychological classification of characteristics of determinant factors of changes in psychic activity of patients of two nosological groups compared.