Mean MD and FA values, statistical significance of group comparisons (α = 0.05, two-tailed), effect sizes (η2)a and statistical power (1−β)b.

ROI: regions of interest; DTI: diffusion tensor imaging; NC: normal controls; bvFTD: behavioral variant fronto-temporal dementia; CBS: corticobasal syndrome; Genu (CCgenu) and splenium (CCspl) of the corpus callosum; bilateral posterior limb of internal capsule (IC); bilateral corona radiata (CorRAD); bilateral frontal (UFfront) and temporal (UFtemp) sectors of the uncinate fasciculus; anterior and mid-cingulate bundle (CBant and CBmid); Fractional anisotropy (FA); mean diffusivity (MD); η2: effect size; MD in mm3/s.