Table 5.
Effect of the interaction between stress, mood and aging on DMN task-induced deactivation (multiple regressions, corrected for multiple comparisons, p < 0.05)
| Interaction | Correlation | Regions | Peak MNI coordinates | Cluster size (voxels) | M − SD/M/M + SD | Maximum Z score |
|---|---|---|---|---|---|---|
| Age × PSS | Positive | Frontal superior gyrus (right) | 6, 47, 34 | 296 | −0.0104/0.0066/0.0237 | 2.72 |
| Frontal superior gyrus (left) | −12, 50, 25 | 2.62 | ||||
| Age × GDS | Negative | Anterior cingulate cortex (left) | −9, 44, 1 | 98 | 0.0177/0.0007/−0.0164 | 2.89 |
| Interaction | Correlation | Regions | Peak MNI coordinates | Cluster size (voxels) | LPSS_LGDS/LPSS_HGDS/HPSS_LGDS/HPSS_HGDS | Maximum Z score |
|---|---|---|---|---|---|---|
| Age × PSS × GDS | Negative | Frontal superior medial gyrus (right) | 12, 53, 22 | 62 | −0.0262/0.0193/0.0425/0.0048 | 2.70 |
M mean, SD standard deviation, LPSS low Perceived Stress Scale scores, HPSS high Perceived Stress Scale scores, LGDS low Geriatric Depression Scale scores, HGDS high Geriatric Depression Scale scores