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. 2022 Jan 7;15:788036. doi: 10.3389/fnhum.2021.788036

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Copyright © 2022 Grazia, Wimmer, Müller-Putz and Wriessnegger.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Bar plots of mean ERD/S values of the alpha-band for all conditions at electrode positions C3, CP1, CP2, Cz, C4. Significant differences were indicated by inserting the corresponding p-value (α < 0.05). Error bars are SE (±2).