Table 2.
Between-group ALFF differences of regional brain activity.
| Brain regions (AAL) | Brodmann area | MNI coordinates (mm) |
T value | Cluster size | ||
|---|---|---|---|---|---|---|
| X | y | z | ||||
| PD-MCI vs. HC | ||||||
| Frontal_Inf_Oper_R | BA 44/45 | 42 | 12 | 3 | 5.16 | 54 |
| Calcarine_R/Cuneus_R | BA 18 | 12 | -84 | 12 | -3.84 | 30 |
| PD-NC vs. HC | ||||||
| Calcarine_R/Cuneus_R | BA 18/17 | 15 | -90 | 12 | -6.58 | 39 |
| Fusiform_R | BA 37 | 27 | -42 | -15 | -3.61 | 20 |
| PD-MCI vs. PD-NC | ||||||
| Frontal_Inf_Oper_R | BA 45 | 57 | 18 | 6 | 4.10 | 45 |
| Fusiform_L | BA 36 | -27 | -36 | -21 | 4.13 | 34 |
PD, Parkinson’s disease; PD-NC, Parkinson’s disease with normal cognition; PD-MCI, Parkinson’s disease with mild cognitive impairment; HC, healthy control; BA, Brodmann area; R, right; L, left. All the coordinates are denoted by MNI space coordinates.