CHANGE IN REACTIVITY OF THE SENSORIMOTOR CORTEX IN DEPRESSIVE PATIENTS AFTER TREATMENT

Changes in the mu-rhythm power in response to sound (non-specific reac tivity, NR) and related with the actual and imaginary movement with th e right and left hand in response to sound (specific reactivity, SR) w ere studied in 38 right-handed patients with subdepressive psychogenou s (PD) and endogenous (ED) disorders before and after successful compl ex treatment (pharmacotherapy and acupuncture) in comparison with 23 h ealthy subjects, The successful treatment was found to be accompanied by a certain extent of normalization of the disturbed SR which was dif ferent in PD and ED, The more complete recovery of the normal reaction s in PD was mainly accounted for by the relative decrease in the NR an d increase in the SR, The ED treatment predominantly modified the SR, Substantial reorganization of interhemispheric relations during moveme nts in the PD patients resulted in disappearance of the abnormal ipsil ateral reactions and transition to the contralateral reactions of the sensorimotor cortex.