Table 2.
Cluster volumes for the most extreme 10% of auditory‐motor network (Component 1) loadings, with anatomical descriptions, Montreal Neurological Institute (MNI) coordinates, and Brodmann's area (BA) for peaks within each cluster
Brain regions | Cluster volume (voxels) | BAs for peak locations | MNI coordinate for peak locations | ||
---|---|---|---|---|---|
x | y | z | |||
Positive loadings | |||||
Cluster 1: left hemisphere | 11,850 | ||||
Planum temporale | 22 | −60 | −24 | 10 | |
Precentral gyrus | 4 | −40 | −20 | 60 | |
Planum polare | 38 | −56 | 2 | −4 | |
Insular cortex | 48 | −36 | −22 | 2 | |
Precentral gyrus | 6 | −58 | 4 | 16 | |
Cluster 2: right hemisphere | 7,100 | ||||
Planum temporale | 22 | 62 | −18 | 6 | |
Superior temporal gyrus, anterior division | 21 | 58 | 0 | −6 | |
Temporal pole | 38 | 56 | 6 | −8 | |
Insular cortex | 48 | 40 | 10 | 0 | |
Planum polare | 48 | 40 | −8 | −14 | |
Cluster 3: bilateral | 3,854 | ||||
Supplementary motor area/Dorsal anterior cingulate cortex | 6/24 | −2 | 4 | 46 | |
Cluster 4: right hemisphere | 1,483 | ||||
Cerebellum VI | n/a | 20 | −54 | −22 | |
Cerebellum V | n/a | 8 | −62 | −14 | |
Cluster 5: bilateral | 1,113 | ||||
Intracalcarine cortex | 17 | −6 | −78 | 10 | |
Intracalcarine cortex | 17 | 14 | −72 | 12 | |
Cluster 6: left hemisphere | 485 | ||||
Thalamus | n/a | −10 | −18 | 6 | |
Cluster 7: left hemisphere | 341 | ||||
Cerebellum VI | n/a | −24 | −60 | −24 | |
Cluster 8: right hemisphere | 324 | ||||
Thalamus | n/a | 12 | −16 | 6 | |
Cluster 9: right hemisphere | 14 | ||||
Supramarginal gyrus, anterior division | 40 | 52 | −34 | 54 | |
Cluster 10: right hemisphere | 12 | ||||
Middle frontal gyrus | 6 | 42 | 0 | 58 |
Note. Negative loadings: no negative loadings passed threshold.