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Comparison of regional homogeneity (ReHo) between the control (CON) and cervical dystonia (CD) group at different axial levels (Z indices). Significant (P < 0.005/voxel and 646 mm3 cluster; corrected P < 0.05) group differences are shown in the bottom row with higher ReHo values in the control group depicted in red. Significantly higher ReHo values were not observed in the CD group. [Color figure can be viewed at http://wileyonlinelibrary.com]
