Table 2.
Regions of increased brain activity during the knee extension force-matching task.
| Cluster index | Brain regions | Voxel count | P-value | Peak MNI voxel | Z stat-max | |||
|---|---|---|---|---|---|---|---|---|
| x | y | z | ||||||
| Overall activation during knee extension force-matching | ||||||||
| 6 | B Precentral gyrus, Postcentral gyrus, Superior parietal lobule, | 17,662 | <0.00001 | 0 | −34 | 56 | 10.1 | |
| Lateral occipital cortex | ||||||||
| 5 | B Precentral gyrus, Corticospinal tract, R Thalamus | 1,567 | <0.00001 | 10 | −16 | 4 | 4.99 | |
| 4 | Corticospinal tract, L Thalamus | 1,137 | <0.00001 | −8 | −18 | 16 | 5.57 | |
| 3 | Precentral Gyrus, Inferior frontal gyrus, Premotor cortex | 375 | 0.000116 | −56 | 0 | 38 | 7.22 | |
| 2 | R Cerebellum VIIIA, VIIB, IX | 284 | 0.000882 | 32 | −50 | −48 | 4.79 | |
| 1 | L Cerebellum VIIB, VIIIA, VIIIB, IX | 182 | 0.0113 | −20 | −70 | −44 | 6.26 | |
| Neural activity increase associated with knee extension force error | ||||||||
| 3 | L Postcentral gyrus, Superior parietal lobule | 206 | 0.00598 | −20 | −40 | 76 | 4.89 | < |
| 2 | R Frontal pole | 142 | 0.0344 | 30 | 52 | 20 | 5.02 | |
| 1 | R Middle frontal gyrus | 130 | 0.0489 | 46 | 12 | 40 | 4.24 | |
| Neural activity decrease associated with knee extension force error | ||||||||
| 1 | Intracalcarine cortex, Lingual gyrus | 161 | 0.0201 | −14 | −82 | 10 | 4.68 | |
Regions of brain activity are reported that were identified in FSLeyes with the Harvard-Oxford cortical and subcortical structural atlas, Julich histological atlas, and the Cerebellar atlas in MNI152 space after normalization with FNIRT by peak voxel and with FSL tool atlasquery. B, bilateral; L, left; R, right.