Psycho-organic syndrome caused by impaired cerebral circulation and age-related involuntary changes in the brain; cerebroasthenic disorders of vascular, traumatic, psychogenic (neurasthenia) and associated etiology, manifested in the form of: memory and / or attention impairment, decrease of intellectual productivity and general activity, emotional instability, asthenic,teno-depressive and moderately expressed depressive state, headache, dizziness, tinnitus.