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Mean diffusivity interaction effect. Sagittal (A and B), coronal (C and D), and axial (E and F) slices of the interaction effect Cohort * Group on mean diffusivity (red traces). The significant voxels are overlaid on the mean fractional anisotropy skeleton (in green) and the standard MNI152 T1 1 mm brain template. The results are thresholded at P < .05, corrected for multiple comparisons. L = left.
