Table 2.
Comparison of ALFF values at different bands among experimental groups.
| Band | Contrast | Brain region | Cluster | T value | Z value | MNI coordinates |
||
|---|---|---|---|---|---|---|---|---|
| X | Y | Z | ||||||
| 0.01–0.08 Hz (classic low-frequency band) | Baduanjin > Control | No brain region above the threshold | ||||||
| Control > Baduanjin | No brain region above the threshold | |||||||
| Baduanjin > Walking | Left mPFC | 166 | 4.26 | 3.94 | -12 | 45 | 30 | |
| Walking > Baduanjin | Right hippocampus | 127 | 3.86 | 3.61 | 24 | -12 | −21 | |
| Walking > Control | No brain region above the threshold | |||||||
| Control > Walking | No brain region above the threshold | |||||||
| 0.027–0.073 Hz (Slow-4 band) | Baduanjin > Control | Right mPFC | 76 | 4.49 | 4.12 | 9 | 66 | 0 |
| Left DLPFC | 80 | 3.95 | 3.68 | −18 | 33 | 48 | ||
| Control > Baduanjin | Right lingual gyrus/hippocampus | 111 | 4.87 | 4.42 | 21 | −45 | −9 | |
| Left lingual gyrus | 65 | 5.8 | 5.09 | −21 | −48 | −9 | ||
| Right superior temporal gyrus | 64 | 3.75 | 3.52 | 54 | −30 | 9 | ||
| Baduanjin > Walking | Left DLFPC | 80 | 3.86 | 3.61 | −21 | 54 | 9 | |
| Walking > Baduanjin | No brain region above the threshold | |||||||
| Walking > Control | No brain region above the threshold | |||||||
| Control > Walking | No brain region above the threshold | |||||||
| 0.01–0.027 Hz (Slow-5 band) | Baduanjin > Control | Bilateral ACC | 172 | 4.94 | 4.46 | 3 | 12 | 36 |
| Control >Baduanjin | No brain region above the threshold | |||||||
| Baduanjin > Walking | Left DLFPC | 182 | 4.52 | 4.14 | −36 | 45 | 27 | |
| Walking > Baduanjin | No brain region above the threshold | |||||||
| Walking > Control | No brain region above the threshold | |||||||
| Control > walking | No brain region above the threshold | |||||||
mPFC: medial prefrontal cortex; ACC: anterior cingulate cortex; DLPFC: dorsal lateral prefrontal cortex; Baduanjin: Baduanjin group; Walking: Brisk walking group; Control: non-exercise group.