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. 2021 Jan 9;36(5):1191–1202. doi: 10.1002/mds.28477

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© 2021 The Authors. Movement Disorders published by Wiley Periodicals LLC on behalf of International Parkinson and Movement Disorder Society.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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FIG. 2 — Macrostructural white matter changes in patients with Parkinson's disease and low visual performance over time. (A) Changes in white matter macrostructure (as seen by reduction in fiber cross‐section [FC]) in PD low visual performers compared with PD high visual performers (FWE‐corrected P < 0.05) in session 1 (baseline, left), at longitudinal change (difference between the 2 images, middle), and in session 2 (18 months follow‐up, right). Results are presented as streamlines and colored by percentage reduction. (B) Statistically significant (FWE‐corrected P < 0.05) longitudinal reductions in fiber cross‐section (FC) in PD low visual performers compared with PD high visual performers. Results are colored by percentage reduction. [Color figure can be viewed at wileyonlinelibrary.com]