Table 2.
Brain regions activated by acupuncture stimulation at the sham acupoint (compared with the resting-state).
| Brain areas | Side | Cluster size | Talairach | t-value | ||
|---|---|---|---|---|---|---|
| x | y | |||||
| Middle cingulate cortex | L | 68 | −1.5 | 4.5 | 32.5 | 8.17 |
| Anterior cingulate cortex | L | 28 | −1.5 | 25.5 | 26.5 | 6.23 |
| Insula* | R | 19 | 25.5 | −10.5 | 26.5 | 6.84 |
| Angular gyrus | L | 17 | −40.5 | −52.5 | 23.5 | 4.82 |
| Caudate nucleus | R | 28 | 22.5 | 4.5 | 20.5 | 4.56 |
| Cerebellum (VIII)* | R | 31 | 22.5 | −61.5 | −48.5 | 5.36 |
The peak voxel for each cluster and the corresponding name of the anatomical region are given. Asterisks indicate peak voxels located in the white matter. In these cases, we labeled the brain region in which most voxels in the cluster were located. P < 0.05 (AlphaSim correction).