Table 5.

Mean effect of age and effect sizes comparisons between brain mask, mPFC-PCU correlates mask and DMN mask.

Measure	Whole-brain age-effect	mPFC-PCU correlates age-effect	DMN age-effect	Brain vs. connectivity effect size	Brain vs. DMN effect size	Connectivity vs. DMN effect size
VBM	1.77 (1.89)	2.51 (1.42)	1.37 (1.65)	0.39	(−)0.21	0.73
MD	−1.06 (1.53)	−2.22 (1.36)	−1.42 (1.21)	(−)0.76	(−)0.24	(−)0.60
LH-GWC	5.38 (2.52)	7.32 (2.10)	6.49 (2.15)	0.92	0.44	0.39
RH-GWC	7.28  (2.52)	8.30 (1.73)	7.17 (1.68)	0.40	0.04	0.65

Age-effects are assessed through t/z statistics and effect sizes are evaluated with Cohen’s d′. Greater age-effects represent greater differences between young and old groups.