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. 2017 Apr 10;11:178. doi: 10.3389/fnhum.2017.00178

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Copyright © 2017 Ning, Li, Fu, Ren, Zhang, Liu, Cui and Zou.

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) or licensor 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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Differences in functional connectivity (FC) of the bilateral primary motor cortices (M1s). (A) Decreased FC of the bilateral M1s between stroke patients and healthy subjects; (B) Increased FC of the bilateral M1s between after and before acupuncture stimulation in stroke patients. Results from two-tailed, p < 0.05, corrected by Monte Carlo Simulations, iterated 1000 times, and cluster size >22 voxels. The red sphere represents the right M1 region of interest.