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. 2021 May 13;13:668559. doi: 10.3389/fnagi.2021.668559

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Copyright © 2021 Devignes, Viard, Betrouni, Carey, Kuchcinski, Defebvre, Leentjens, Lopes and Dujardin.

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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Results of the between-group comparisons on tractometric features. Position 0 corresponds to the anterior part of the fascicle for (A) and (B) and to the subcortical level for (C). For (D–F), position 0 corresponds to the left cortical level and the last segment corresponds to the right cortical level (with the middle corresponding to the corpus callosum part). Green dashed line highlights the cluster of significant segments (p_FDR < 0.05, corrected for age, sex, years of formal education, and center). PD-NC, Parkinson’s disease—normal cognition; PD-FS, Parkinson’s disease—frontostriatal subtype; PD-PC, Parkinson’s disease—posterior cortical subtype; PD-MS, Parkinson’s disease—mixed subtype; FDR, false discovery rate.