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. 2023 Jan 26;15:1019239. doi: 10.3389/fnagi.2023.1019239

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Copyright © 2023 Radhakrishnan, Gallea, Valabregue, Krishnan, Kesavadas, Thomas, James, Menon and Kishore.

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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ROI definition in the individual native space. (A) Thalamic ROI mask superimposed on the T1 image. (B) Putamen ROI mask superimposed on the T1 image. (C) STN ROI superimposed on the Fiber Orientation Distribution (FOD) image. (D) Hypointense regions in the FOD image around the DN in the CB. (E) VTA ROI superimposed on the FOD image. CB, cerebellum; DN, dentate nucleus; STN, subthalamic nucleus; VTA, ventral tegmental area.