EEG Spectral Power in the β frequency band Reflects the Subjective Estimation of the Go/NoGo Task Performance Timeстатья

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Дата последнего поиска статьи во внешних источниках: 7 октября 2020 г.

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[1] Konstantinova M. V., Anisimov V. N., Latanov A. V. Eeg spectral power in the β frequency band reflects the subjective estimation of the go/nogo task performance time // Human Physiology. — 2020. — Vol. 46, no. 1. — P. 8–15. We analyzed the subjective time estimation of task duration using EEG during a series of Go/NoGo tasks with varying duration. All series of trials were divided into three groups according to the quartiles of distribution of subjective estimates: (1) overestimation, (2) underestimation, and (3) the “most precise estimation” of the task performance time. The underestimation of task duration was associated with the greatest relative spectral power in the β frequency range (13–30 Hz) as compared to other groups, with interhemispheric asymmetry of relative spectral power of β activity being recorded in parietal electrode positions. The most precise estimation of the task performance time was associated with greater relative spectral power, as compared with the overestimation group, and characterized by interhemispheric asymmetry in the frontal and central electrode positions. Thus, the subjective estimation of the Go/NoGo task series time is reflected in the dynamics of relative spectral power in the β frequency band.

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