Fig. 2: Right angular gyrus (AG) GM volume increased after the multi-domain cognitive training (MDCT) program (p < 0.05, FWE-corrected, 10000 permutation).

a An axial view of the brain which shows the distribution of significantly increased gray matter volume after the intervention; b A 3D brain view which shows the region with significantly increased gray matter volume after intervention; c A bar showing gray matter volume of right angular gyrus at the baseline and after the intervention