TABLE 3.
Peak coordinate regions showing fALFF differences in aMCI group compared to HC with MNI coordinates
| Brain region (AAL) | Cluster size | Peak MNI coordinates (mm) | BA | T value | ||
|---|---|---|---|---|---|---|
| X | Y | Z | ||||
| Norm1（0.01‐0.08 Hz） | ||||||
| Vermis_4_5 | 342 | 0 | ‐54 | ‐18 | / | ‐4.4951 |
| Pallidum_L | 212 | ‐12 | 3 | 3 | / | ‐4.7802 |
| Lingual_R | 245 | 21 | ‐87 | ‐3 | 18 | 4.3368 |
| Occipital_Mid_L | 340 | ‐39 | ‐75 | 6 | 19 | 4.024 |
| Slow4（0.027‐0.073 Hz） | ||||||
| Cerebellum_4_5_L | 473 | ‐3 | ‐48 | ‐6 | 30 | ‐4.3086 |
| Cuneus_R | 568 | 21 | ‐78 | 45 | 7 | 5.2694 |
| Slow5（0.01‐0.027 Hz） | ||||||
| Frontal_Sup_Medial_L | 167 | ‐9 | 36 | 33 | 32 | 4.601 |
| Precentral_L | 210 | ‐48 | 0 | 51 | 6 | ‐4.366 |
The resultant T‐maps were thresholded with voxelP < .05, cluster P < .05 (Gaussian random field theory (GRF) correction for multiple comparisons.
Abbreviations: AAL, anatomical automatic labeling; aMCI, amnestic mild cognitive impairment; BA, Brodmann area; Cerebellum_4_5_L, left cerebellum lobules IV‐V; Cuneus_R, right cuneus; fALFF, fractional amplitude of low‐frequency fluctuations; Frontal_Sup_Medial_L, left medial superior frontal gyrus; HC, healthy control; Lingual_R, right lingual gyrus; MNI, Montreal Neurologic Institute; Occipital_Mid_L, left middle occipital gyrus; Pallidum_L, left lenticular nucleus, pallidum; Precentral_L, left precentral gyrus; Vermis_4_5, vermis IV‐V.