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. 2018 Jul 30;9:614. doi: 10.3389/fneur.2018.00614

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Copyright © 2018 Wirth, Khomenko, Baldaranov, Kobor, Hsam, Grimm, Johannesen, Bruun, Schulte-Mattler, Greenlee and Bogdahn.

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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Definition of regions of interest. (A) Precentral (red) and postcentral (blue) cortex were identified by the Desikan-Killiany parcellation atlas (34). (B) The resting-state-fMRI based atlas of Yeo et al. (35) was used to define dorsal (marine blue) and ventral (brown) segments of the sensorimotor network (SMN). (C) Final subdivision of the precentral and postcentral cortex into dorsal and ventral segments resulted in four ROIs (precentral dorsal, precentral ventral, postcentral dorsal, postcentral ventral) in both left and right hemisphere. ROIs were mapped upon the Freesurfer average brain surface.