Table 2.
Asymmetry biomarkers (left hemisphere measurement divided by right hemisphere measurement) most highly correlated with participant age with left (L) or right (R) dominance specified after the asymmetry index
| Biomarker | Asymmetry index | P value | Correlation coefficient |
|---|---|---|---|
| Mean SI medial orbitofrontal WM | 0.9949 R | 1.34e−26 | 0.3296 |
| Choroid plexus volume (mm3) | 0.9164 R | 1.14e−25 | 0.3238 |
| Mean SI putamen | 1.0100 L | 1.31e−17 | 0.2665 |
| Mean SI lateral orbitofrontal WM | 1.0140 L | 1.47e−16 | 0.2580 |
| Mean SI cerebellar WM | 1.0141 L | 1.04e−14 | 0.2421 |
| Thalamus volume (mm3) | 1.1235 L | 1.30e−14 | 0.2412 |
| Inferior parietal WM SI standard deviation | 1.0253 L | 2.46e−13 | 0.2295 |
| Number of vertices on superior temporal surface | 1.0500 L | 3.79e−13 | 0.2277 |
| Positive surface integral WH (sulcal curvature) | 0.9911 R | 5.39e−13 | 0.2263 |
| WH cortical white matter volume (mm3) | 0.9862 R | 1.11e−11 | 0.2133 |
SI, signal intensity; WM, white matter; WH, whole hemisphere measurement, not localized to one subregion.