Dynamics of the EEG parameters in younger schoolchildren during change in the CNS functional state (relaxation) under the action of rhythmical auditory stimulation

Abstract

The article is devoted to the problem of neurophysiological mechanisms of relaxation. Formation of the relaxation state under the influence of auditory rhythmic stimulation (RS) was studied using spectral and coherent EEG characteristics and electrodermal resistance. Notable shifts of the coherence (Coh) function of biopotentials during transition to the state of relaxation induced by the RS were established, namely, an increase in the distant Coh of the frontal area. A pronounced RS influence on the regulation of the CNS functional state was shown. On the basis of the results of the study and their comparison with the published data, a conclusion is drawn about the crucial role of the frontal areas in the regulation of cortical activation during relaxation and about the physiological justification of the application of the rhythmical auditory stimulation for the formation of the relaxation state its informational value.