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. 2023 Sep 4;5(5):fcad238. doi: 10.1093/braincomms/fcad238

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© The Author(s) 2023. Published by Oxford University Press on behalf of the Guarantors of Brain.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Schematic diagram of PSM. Sweet and sour spots and surrounding anatomic structures (pink regions) are shown in the axial (A), sagittal (B), coronal (C) and render (D) views. Hotter colours represent higher positive correlations, and colder colours represent the opposite. (E) The centroids of sweet and sour spots in the right hemisphere (salmon dot = centroids of sweet spots, blue dot = centroids of sour spots) and their relative spatial position with the STN and subregions. (F) Results of PSM analysis were validated in a LOOCV design (n = 76, Spearman R = 0.25; P = 0.009); 95% confidence intervals are represented by shading areas.