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Ключевые слова

associative search
non-trivial and trivial decisions
delta EEG frequency bands

Как цитировать

Шемякина, Н. В., & Нагорнова, Ж. В. (2020). EVENT-RELATED CHANGES IN EEG SPECTRAL POWER CORRESPONDING TO CREATIVE AND TRIVIAL DECISIONS. Российский физиологический журнал им. И. М. Сеченова, 106(7), 880–889. https://doi.org/10.31857/S0869813920070067




The study aimed to explore EEG correlates of a person’s creative (non-trivial) and trivial decisions finding in conditions of associative search by means of event-related synchronization/event-related desynchronization (ERS/ERD) spectral power changes analysis. Sixty subjects had to fulfill RAT (Remote associative test) alike tasks while EEG registering. There were no differences in time responses while remote association and trivial decisions search (around 3 seconds in both case). An increase in ERS was observed for the central frequencies 4 Hz at F7 site (1500-1000 ms before note of decision), 3 Hz at the Fz site (500-1000 ms before note of decision), and 3.5 Hz at T3 site (in the last 500 ms before decision). Obtained findings stressing the role of low frequency bands (theta and delta) in wide associative field search leading for creative and original decisions.

PDF (English)


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