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. 2017 Aug 31;11:163. doi: 10.3389/fnbeh.2017.00163

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Copyright © 2017 Balconi and Vanutelli.

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) or licensor 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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The location of near-infrared spectroscopy (NIRS) channels. The emitters were placed on positions FC3-FC4 (purple, number 1 and 2) and F1-F2 (number 3 and 4), while detectors were placed on FC1-FC2 (blue, number 3 and 4) and F3-F4 (number 1 and 2). Resulting channels are displayed in pink color.