Table 3.
Mean similarity of group-level partitions to an a priori network parcellation (Yeo et al., 2011)a
| Gamma parameters | Rand z score (number of modules) of group-level partition |
Mean Rand z score across the three group-level partitions | ||
|---|---|---|---|---|
| Young adults | Elderly at baseline | Young adults + elderly at baseline | ||
| Ind = 1, Grp = 2 | 32.98 (7) | 40.56 (6) | 39.48 (6) | 37.67 |
| Ind = 2, Grp = 2b | 36.13 (7) | 43.62 (8) | 37.53 (6) | 39.09 |
| Ind = 3, Grp = 2 | 40.22 (8) | 40.80 (7) | 35.93 (7) | 38.98 |
| Ind = 4, Grp = 2 | 40.46 (10) | 39.29 (7) | 34.78 (7) | 38.18 |
| Ind = 1, Grp = 3 | 38.04 (7) | 41.44 (8) | 34.95 (11) | 38.14 |
| Ind = 2, Grp = 3 | 35.26 (7) | 39.06 (8) | 32.77 (8) | 35.69 |
| Ind = 3, Grp = 3 | 43.94 (10) | 37.33 (8) | 34.32 (9) | 38.53 |
| Ind = 4, Grp = 3 | 39.63 (10) | 30.98 (10) | 32.44 (11) | 34.35 |
aInd, Individual-level gamma; Grp, group-level gamma.
bBased on the mean Rand z score, the combination of individual gamma = 2 and group gamma = 2 was selected.