Table 6.
Surface-based morphometry (SBM) results as a function of Agreeableness scores (n = 507)
| Agreeableness | ||||||||
|---|---|---|---|---|---|---|---|---|
| A. Association between agreeableness and cortical thickness (negative correlations) | ||||||||
| Cortical region | Hemisphere | Max | Size (mm2) | X | Y | Z | CWP | Effect Size |
| Caudal middle frontal | L | 3.612 | 2824.29 | −45 | 19.6 | 37.2 | 0.0001 | 0.0244 |
| Pars opercularis | L | 3.509 | 2262.22 | −55.1 | 25.7 | 14.1 | 0.0013 | 0.0231 |
| Superior frontal | L | 2.449 | 2363.72 | −6.3 | 58.5 | 10.7 | 0.0009 | 0.0219 |
| Rostral middle frontal | R | 3.276 | 2442.53 | 29.1 | 41.6 | 33.7 | 0.0010 | 0.0221 |
| B. Association between agreeableness and surface area (negative correlations) | ||||||||
| Cortical region | Hemisphere | Max | Size (mm2) | X | Y | Z | CWP | Effect size |
| Fusiform | R | 2.550 | 2108.71 | 39.5 | −66.9 | −18.6 | 0.0292 | 0.0235 |
| C. Association between agreeableness and cortical volume (negative correlations) | ||||||||
| Cortical region | Hemisphere | Max | Size (mm2) | X | Y | Z | CWP | Effect size |
| Rostral middle frontal | L | 3.692 | 1332.73 | −43.4 | 35.7 | 26.4 | 0.049 | 0.0251 |
| D. Association between agreeableness and local gyrification index (negative correlations) | ||||||||
| Cortical region | Hemisphere | Max | Size (mm2) | X | Y | Z | CWP | Effect size |
| Temporal pole | L | 2.894 | 1043.87 | −32.9 | 6 | −25.6 | 0.0103 | 0.0219 |
| Precentral | L | 2.351 | 1038.09 | −19.2 | −21.9 | 75.1 | 0.0104 | 0.0198 |
| D1. Association between agreeableness and local gyrification index (positive correlations) | ||||||||
| Cortical region | Hemisphere | Max | Size (mm2) | X | Y | Z | CWP | Effect size |
| Inferior temporal | R | 2.293 | 940.82 | 58.2 | −56.4 | −9 | 0.0103 | 0.0195 |
Associations between agreeableness and cortical thickness (A), surface area (B), cortical volume (C) and local gyrification index (D and D1). X, Y, Z: MNI coordinates of the local maxima; L: Left; R right; CWP: cluster-wise P value: DLPFC: Dorsolateral Prefrontal Cortex; MNI: Montreal Neurological Institute.