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. 2022 Jun 10;16:896502. doi: 10.3389/fnins.2022.896502

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Copyright © 2022 Truong, Wang, Wanniarachchi and Liu.

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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Time-resolved Δ[HbO] signals of three channels near the stimulation site: channels 3, 4, and 7. The red and blue curves correspond to the tPBM and sham sessions, respectively. Red and blue shades indicate the standard error of the mean of each group. The yellow shade depicts the stimulation period (8 min).