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. 2014 May 27;8:187. doi: 10.3389/fnbeh.2014.00187

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Copyright © 2014 Rao, Zhou, Liang, Rao, Zheng, Sun, Tan, Xiao, Tian, Chen, Wang, Bai, Chen and Li.

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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Risk-related brain regions showing the main effect of time. The deactivation of VMPFC decreased after the bed rest. Abbreviations: VMPFC, ventromedial prefrontal cortex. Error bar denotes the standard error.