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. 2019 Mar 22;9:5027. doi: 10.1038/s41598-019-41606-2

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Comparison of the rotation and displacement between the rs- and task-fMRI scans. For the resting-state (RS) scan, the very first volume image was chosen as the base volume image (within-scan, WS), and for each of the six rigid-body co-registration parameter (three rotations and three displacements), the mean value of the absolute value of the parameter over the whole volumes was computed. Then, its corresponding group-mean value was computed and illustrated. For the task scan, we performed two assessments: (1) chosen the very first volume image of the task scan as the base (WS), and (2) chosen the very first volume image of the RS scan as the base (between-scans, BS). (A) Rotations around the three axes of the inferior-superior (roll), right-left (pitch), and anterior-posterior (yaw). |x|, the absolute value of x; deg: degree. (B) Displacements in the superior direction (dS), posterior direction (dP), and left direction (dL). The error bar indicates the corresponding standard error of the means.