摘要: A review is presented of studies higher nervous activity in psychiatric patients. In neuroses and reactive psychoses the basic pathology appears to be centered around psychogenic complex structures. addition, as well reveal general disturbances activity. schizophrenic manic depressive there are indications deep-lying brain Both types heterogeneous groups clinical conditions. An important task for future experimental establish well-defined clinically homogenous groups. The final section deals with prophylactic psychiatry, special emphasis on Gantt’s suggestions an international project.