2021, Volume 15, Issue 3

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Resting state EEG rhythm characteristics associated with readiness for divergent thinking

(Państwowa Szkoła Wyższa im. Papieża Jana Pawła II w Białej Podlaskiej, 2021-07-11) Kozachuk, Nataliia ; Kachynska, Tetiana ; Zhuravlyov, Oleksandr ; Zhuravlyova, Olena

Background. Local synchronization of the electrical activity of the cerebral cortex at rest with eyes open in persons with different levels of divergent thinking were studied.Material and methods. 95 men and 98 women aged 18-21 with different levels of divergent thinking were studied. The power of the EEG at rest with eyes closed and open was analyzed.Results. There were established differences in the extent of the depression depth, as well as in the activation of the EEG alpha rhythm, which is related to gender and level of productivity. Women have a greater depth of alpha rhythm depression than men. In subjects with high and medium levels of divergent thinking, alpha-rhythm depression was of a generalized nature, and in subjects with low levels of divergent thinking – local and topographically non-specific.Conclusions. These results indicate that the EEG response of readiness to perceive stimuli, which provides either very high or very low productivity of divergent thinking, is manifested in the dynamics of the biopotential power in the EEG alpha range.