Analyses the interrelation and interdependence between personality changes, which differ in their nature and phenomenology, and disorders of certain aspects of communicative ability. The author’s approach in this text is an interdisciplinary and comprehensive study of neuropsychological, psychopathological and special education data on the basis of communication theories. Presented are certain methodological problems as well as a number of experimental methodologies for the study of the personality of patients with speech disorders. Examined are communication as a curative factor, and a possible prophylaxis or regression of, disorders of personality in the process of the training and restoration of communicative ability. It is intended as a resource for psychologists, social workers, psycholinguists, physicians, and speech and language therapists.