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Axial slices in the MNI stereotaxic space show the default mode network (DMN) computed for a seed-voxel in posterior cingulate cortex (PCC, xyz, 0−5526). Connectivity strengths are depicted in hot colors, thresholded for |z(r)|>0.4 corresponding to P < 0.0000001. (a) Results for a representative subject (male, 60 years) overlaid on the individual MPRAGE images. (b) Group averaged brain map for all subjects (N = 12) displayed on the averaged MPRAGE background.
