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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Electrodes and regions of interest used in the study. The grouping of electrodes are indicated with colors: Central (C; purple), Frontal (F; yellow), Posterior (P; light green) and Temporal Left (T; red).