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. 2018 Jun 13;12:243. doi: 10.3389/fnhum.2018.00243

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Copyright © 2018 Chen, Yu, Niu 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 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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(A) Mean oxygenated hemoglobin concentration ([HbO]) (±SE) in region of interest (ROI)-2 during SWM and NWM task performance under different posture conditions. The mean [HbO] for SWM showed a nonsignificant trend toward being lower in dual-task session (standing) than that in single-cognitive task session (sitting). (B) Mean [HbO] (±SE) in ROI-5 during SWM and NSW task performance under different posture conditions. The mean [HbO] for NWM was significantly greater than that for SWM. *p < 0.05, ~p < 0.08, n.s., p > 0.10.