Abstract
The author studied the dynamics of EEG (spectral power density and coherence functions) and autonomic (electrodermal resistance, EDR) indices in young schoolchildren with changes in the functional state of the CNS caused by rhythmic sensory stimulation (acoustic signals with frequencies of 6 and 9 Hz). Both of these signals influenced the CNS and may be used to achieve relaxation. Their comparison demonstrated both similar postrelaxation shifts (increased coherence of distant connections) and frequency-specific phenomena (more numerous significant changes in the respective frequency ranges). Thus, the signal frequency determines the pattern of physiological shifts, influencing the relaxation “quality”. Low-frequency (6 Hz) stimulation caused more pronounced changes in the CNS, reflected in enhanced EDR, and a stronger increase in the short-term memory volume. The author discusses the frequency-specific neurophysiological mechanisms of the effect of stimulation on the functional state of the brain.
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Gorev, A.S. Rhythmic Acoustic Stimulation as a Method for Regulating the Functional State of the CNS in Young Schoolchildren. Human Physiology 27, 539–543 (2001). https://doi.org/10.1023/A:1011900108486
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DOI: https://doi.org/10.1023/A:1011900108486