Cluster localizations during the tactile discrimination task for IC1 and IC2
| Brain Region | BA | Group Analysis*: Primary Peak Locations | |||||
|---|---|---|---|---|---|---|---|
| Right Side | Left Side | ||||||
| x | y | z | x | y | z | ||
| IC1 (Z = 11.33; 18.60% of explained variance) | |||||||
| M1/S1 | 1, 2, 3, 4 | 28.00 | −8.00 | 64.00 | −32.00 | −8.00 | 64.00 |
| Premotor cortex | 6 lateral | 50.00 | 6.00 | 12.00 | −54.00 | −2.00 | 12.00 |
| SMA | 6 medial | 8.00 | −8.00 | 48.00 | −8.00 | −4.00 | 48.00 |
| Parietal lobe | 5, 7 | 32.00 | −44.00 | 64.00 | −44.00 | −48.00 | 61.00 |
| 39, 40 | 52.00 | −32.00 | 48.00 | −60.00 | −36.00 | 48.00 | |
| Parietal opercule | SII | 58.00 | −26.00 | 24.00 | −58.00 | −34.00 | −24.00 |
| Insula | 52 | 38.00 | −2.00 | 8.00 | −38.00 | −2.00 | 8.00 |
| LOC | 40.00 | −72.00 | 12.00 | −48.00 | −72.00 | 12.00 | |
| Cingulate cortex | 24 | 6.00 | −2.00 | 44.00 | 6.00 | −2.00 | 44.00 |
| Thalamus | 14.00 | −22.00 | 0.00 | – | – | – | |
| Putamen | 18.00 | 14.00 | −4.00 | – | – | – | |
| IC2 (Z = 7.48; 11.98% of explained variance) | |||||||
| Prefrontal cortex | 9/10 | 26.00 | 50.00 | 20.00 | −26.00 | 50.00 | 20.00 |
| 9/46 | 34.00 | 30.00 | 32.00 | −34.00 | 30.00 | 32.00 | |
| Cingulate cortex | 24 | 6.00 | 14.00 | 32.00 | −6.00 | 14.00 | 32.00 |
| SMA | 6 medial | 2.00 | −6.00 | 52.00 | −2.00 | −6.00 | 52.00 |
| Pre-SMA | 6 medial | 2.00 | 2.00 | 52.00 | −2.00 | 2.00 | 52.00 |
| Insula | 52 | 38.00 | 10.00 | −12.00 | −38.00 | 14.00 | −4.00 |
| Parietal cortex | 40 (/39) | 32.00 | −52.00 | 52.00 | −40.00 | −52.00 | 52.00 |
| 7 lateral | 38.00 | −46.00 | 60.00 | – | – | – | |
| 7 medial | 6.00 | −54.00 | 56.00 | −6.00 | −54.00 | 56.00 | |
| Parietal opercule | SII | 52.00 | −16.00 | 12.00 | −56.00 | −20.00 | 12.00 |
| LOC | 10.00 | −18.00 | 00.00 | −10.00 | −26.00 | 00.00 | |
| IC7 (Z = 4.78; 7.07% of explained variance) | |||||||
| Parietal cortex | 7 lateral | 54.00 | −50.00 | 24.00 | −53.00 | −50.00 | 24.00 |
Note:—M1/S1 indicates sensorimotor cortex; SMA, supplementary motor area; SII, secondary sensory area; LOC, lateral occipital cortex; IC, independent component; BA, Brodman area.
* P > .7 MNI coordinates (mm).