Table 2.
Voxel-wise group comparison t-test demonstrated increased metabolism in PD patients with higher impulsivity compared to PD patients with lower impulsivity.
| Anatomical region | L/R | Cluster | p-value (FWE-corrected) | T-score | Peak coordinates (MNI) |
|---|---|---|---|---|---|
| Orbitofrontal cortex | L | 170 | 0.004 | 5.82 | −2, 38, −10 |
| Medial frontal gyrus | R | 170 | 0.004 | 5.77 | 12, 48, 2 |
| Anterior cingulate cortex | R | 170 | 0.004 | 4.47 | 4, 44, 0 |
| Insula-operculum | R | 115 | 0.029 | 5.24 | 46, 2, 14 |
| Insula | R | 115 | 0.029 | 4.75 | 46, 10, 2 |
Abbreviations: FWE, family-wise error; MNI, Montreal Neurological Institute.