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. 2024 Feb 29;18:1340374. doi: 10.3389/fnhum.2024.1340374

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Copyright © 2024 Peng, Srivastava, Sutton, Zhang, Badran and Kautz.

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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Functional connectivity of premotor and medial SMA is negatively correlated to walking speed. The walking speed of all participants was quantified at their self-selected walking speed (Gait-SS) via a GaitRite system (CIR Systems Inc., Franklin, JN). (A) FC between medial SMA and premotor is negatively associated with both the Gait-SS (Pearson correlation, r = −0.355, p = 0.042, 95% confidence interval [−0.623 −0.014]) across all participants with chronic stroke. (B) By removing the high-leveraged data points, the correlation between ipsilesional SMA-premotor FC and Gait-SS is no longer significant (r = −0.169, p = 0.354, 95% confidence interval [−0.489 −0.191]). The ROIs displayed here are group-level ROIs on the FreeSurfer fsaverage6 template to illustrate the location of ROIs.