[The asthenic syndrome and mental work capacity].

Investigation of the development of the asthenic syndrome during neuropsychic overload and its impact on dynamics of psychic performance in operators is of great interest to many specialists engaged in clinical and applied medicine. The paper presents results of clinicopsychologic and clinico-neurophysiologic studies of 105 persons in intellectual and operational professions who were treated in Moscow Clinic of neurosis in connection with the asthenic syndrome caused by professional overload or emotional stress. The obtained data showed that development of the asthenic syndrome had certain stages depending on duration and severity of emotional, vegetative, dissomnic and other psychosomatic disorders. It was shown that, being one of the key integral indices of human adaptability, psychic performance retained on sufficiently high level for a long period during asthenic syndrome.