Table 4.
Overview of significant clusters.
| MNI coordinate |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Hemisphere | Region | BA | X | Y | Z | Cluster size | z value | |||
| Positive correlation between age and GMP | ||||||||||
| Left | MFG | 5 | - | 33 | 35 | 27 | 292 | 3.83 | ||
| - | 28 | 36 | 15 | 3.67 | ||||||
| Negative correlation between age and GMP | ||||||||||
| Left | Substantia Nigra | - | 9 | - | 21 | - | 9 | 2546 | 5.14 | |
| Right | 9 | - | 22 | - | 11 | 5.06 | ||||
| Right | Thalamus | 10 | - | 7 | 1 | 3.92 | ||||
| Left | Cuneus | 23 | - | 9 | - | 78 | 7 | 815 | 4.38 | |
| Positive correlation between Factor 1 and GMP | ||||||||||
| Left | ITG | 20 | - | 42 | - | 16 | - | 23 | 491 | 3.99 |
| - | 48 | - | 16 | - | 38 | 3.94 | ||||
| Hippocampus | - | 33 | - | 10 | - | 15 | 3.56 | |||
| Left | IFG | 44/45 | - | 56 | 20 | 19 | 18 | 3.31* | ||
| Positive correlation between Factor 2 and GMP | ||||||||||
| Left | Parietal Operculum | 13 | - | 45 | - | 24 | 21 | 716 | 4.44 | |
| STG | 41 | - | 44 | - | 27 | 6 | 3.77 | |||
| Parietal Operculum | 13 | - | 39 | - | 19 | 25 | 3.63 | |||
174 voxels threshold at p < 0.001 to achieve family-wise error control at p < 0.05; * = small volume corrected; BA = Brodmann area; MNI = Montreal Neurological Institute; GMP = gray matter probability; MFG = middle frontal gyrus; ITG = inferior temporal gyrus; IFG = inferior frontal gyrus; STG = superior temporal gyrus.