Table 5.
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.