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. 2021 Mar 12;15:653487. doi: 10.3389/fncel.2021.653487

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Copyright © 2021 Ding, Lin, Wu, Yang, Li, Jing, Ren, Gong, Xu and Lan.

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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Functional connectivity change measured during force tracking task in BCI-only session. (A) Coherence between each ROI at baseline. (B) Coherence between each ROI after BCI training. (C) Coherence between right motor cortex and left DLPFC was significantly increased after BCI training. (D) PLV between each ROI at baseline. (E) PLV between each ROI after BCI training. (F) The PLV between right motor cortex and left FP was significantly increased after BCI training. L refers to left. R refers to right. DLPFC refers to dorsal lateral prefrontal cortex. FP refers to frontal polar area.