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. 2020 Mar 25;14:252. doi: 10.3389/fnins.2020.00252

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Copyright © 2020 Shiyam Sundar, Baajour, Beyer, Lanzenberger, Traub-Weidinger, Rausch, Pataraia, Hahn, Rischka, Hienert, Klebermass and Muzik.

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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Representative CMRGlc images with low (top row, panels A,B) and high (bottom row, panels C,D) test-retest variability. Each of the four panels (A–D) corresponds to a different subject at rest and retest condition. Each panel renders a trans-axial cross-section through the subject’s brain at the level of the caudate head obtained at rest and retest condition, together with bar graphs representing test-retest changes in MVAR coefficients for the DMN and Sensory-motor (SM) networks. The figure demonstrates a similar distribution of MVAR coefficient changes for subjects with low (top row) and high (bottom row) CMRGlc variability across time. WB, whole brain values.