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. 2020 Nov 20;14:575494. doi: 10.3389/fnins.2020.575494

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Copyright © 2020 Gier, Strelow and Krampe.

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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fNIRS optode montage setup (topolayout) with marked regions representing Brodmann area 9 and 46. (A) fNIRS optode montage setup of the sources (S; red) and detectors (D; blue) with the associated fNIRS channels (Ch; purple) and the coordinates of the EEG 10-20 system (orange dots) (modified graphic from Nissen et al., 2019), (B) fNIRS channel areas plotted on a standardised brain with channels constituting Brodmann area 9 and 46 marked in purple (modified graphic from Krampe et al., 2018b), (C1) Brodmann area 9 and (C2) Brodmann area 46 marked in purple.