List of brain areas showing significant association between muscle spindle-related brain activity (i.e. TENDON > BONE) and balance performance in terms of ES
| Location of peak association with ES | Side | x | y | z | t value | p value |
|---|---|---|---|---|---|---|
| Cluster 1: 2148 voxels | ||||||
| Anterior insula | R | 36 | 20 | 8 | 4.83 | 0.004 |
| R | 30 | 30 | 2 | 3.49 | 0.004 | |
| R | 30 | 26 | −2 | 3.47 | 0.004 | |
| Inferior frontal gyrus (p. tri, BA 45) | R | 38 | 44 | 8 | 4.62 | 0.004 |
| R | 36 | 44 | 4 | 4.53 | 0.004 | |
| Orbital frontal cortex (BA 47) | R | 50 | 22 | −14 | 4.44 | 0.004 |
| Inferior frontal gyrus (p. oper, BA 44) | R | 48 | 6 | 14 | 4.37 | 0.004 |
| R | 54 | 4 | 2 | 3.96 | 0.004 | |
| Basal ganglia (putamen) | R | 20 | −6 | 10 | 3.31 | 0.005 |
| Basal ganglia (pallidum) | R | 22 | −8 | 8 | 3.26 | 0.005 |
| Cluster 2: 528 voxels | ||||||
| pre-SMA (BA 6) | R | 8 | 18 | 68 | 4.13 | 0.004 |
| R | 8 | 2 | 70 | 3.72 | 0.004 | |
| R | 8 | 22 | 58 | 3.45 | 0.004 | |
| R | 2 | 16 | 48 | 3.19 | 0.006 | |
| Dorsal anterior cingulate (BA 32) | R | 8 | 24 | 42 | 2.97 | 0.008 |
| R | 6 | 28 | 40 | 2.96 | 0.008 | |
| Cluster 3: 404 voxels | ||||||
| Anterior insula | L | −30 | 28 | 0 | 4.25 | 0.004 |
| L | −36 | 16 | 0 | 3.72 | 0.004 | |
| L | −26 | 20 | −8 | 3.38 | 0.005 | |
| Cluster 4: 347 voxels | ||||||
| Supramarginal gyrus (BA 40) | R | 56 | −36 | 44 | 3.63 | 0.004 |
| R | 54 | −36 | 40 | 3.62 | 0.004 | |
| Cluster 5: 232 voxels | ||||||
| Middle frontal gyrus (DLPFC, BA 46) | R | 32 | 46 | 16 | 4.22 | 0.004 |
| R | 26 | 50 | 22 | 3.90 | 0.004 | |
| Cluster 6: 131 voxels | ||||||
| Middle frontal gyrus (DLPFC, BA 9) | R | 48 | 18 | 44 | 3.37 | 0.004 |
| R | 48 | 14 | 42 | 3.15 | 0.006 | |
| Precentral gyrus (BA 6) | R | 42 | 6 | 36 | 3.30 | 0.005 |
| R | 46 | 10 | 44 | 3.17 | 0.006 | |
| R | 46 | 12 | 40 | 3.16 | 0.006 | |
| R | 52 | 4 | 40 | 3.02 | 0.008 | |
| Cluster 7: 41 voxels | ||||||
| Middle frontal gyrus (DLPFC, BA 46) | R | 38 | 30 | 32 | 3.71 | 0.004 |
| R | 36 | 38 | 34 | 2.99 | 0.008 | |
| Cluster 8: 37 voxels | ||||||
| Parietal operculum (S2, BA 43) | R | 68 | −20 | 20 | 3.73 | 0.004 |
R, Right; L, left; p. tri, pars triangularis; p. oper, pars opercularis; DLPFC, dorsolateral prefrontal cortex; S2, secondary somatosensory region.