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. 2022 Apr 29;13:877844. doi: 10.3389/fpsyg.2022.877844

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Copyright © 2022 Sun, Soh and Xu.

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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Experimental design. MF, Mental fatigue; MO, motivation; RPE, rating perception of effort; Exp 1, experimental group 1; Con 1, control group 1; Exp 2, experimental group 2; Con 2, control group 2; Exp 3, experimental group 3; Con 3, control group 3.