Cortical ROIs meeting the tract threshold for connectivity to the globus pallidus externus for both hemispheresc
| Cortical Region | Right Hemisphere (% Tract Probability) (SD) | Left Hemisphere (% Tract Probability) (SD) | P Value |
|---|---|---|---|
| Frontal pole | 14.4% (9.4%) | 7.7% (5.4%) | .004 |
| Insula | 11.0% (4.2%) | 8.5% (4.6%) | .1 |
| Temporal pole | 9.2% (7.7%) | 10.5% (8.0%) | .49 |
| Medial orbitofrontal | 6.7% (5.9%) | 8.3% (4.9%) | .21 |
| Entorhinal | 5.1% (4.4%) | 7.4% (6.6%) | .22 |
| Superior frontal | 4.3% (3.5%) | 4.8% (3.2%) | .56 |
| Pars orbitalis | 3.8% (2.6%) | 3.2% (2.6%) | .4 |
| Lateral orbitofrontal | 3.8% (3.9%) | 4.1% (3.9%) | .72 |
| Paracentral | 3.4% (2.9%) | 3.9% (2.9%) | .5 |
| Postcentral | 3.2% (2.2%) | 4.3% (2.2%) | .1 |
| Pars triangularis | 3.1% (4.1%) | 3.2% (3.7%) | .96 |
| Precentral | 2.9% (1.9%) | 4.4% (2.5%) | .07 |
| Rostral anterior cingulate | 2.7% (2.8%) | 1.2% (1.2%) | .06 |
| Superior parietal | 2.3% (1.3%) | 2.9% (1.2%) | .1 |
| Rostral middle frontal | 2.3% (1.4%) | 2.0% (1.2%) | .83 |
| Isthmus cingulate | 2.2% (1.2%) | 3.5% (3.2%) | .27 |
| Parahippocampal | 1.4% (1.2%) | 2.1% (1.5%) | .12 |
a The P value is reported for left-to-right tract comparison.