Table V.
Four‐factor solution with promax rotation from PCA of genetic correlations among subcortical volumes
| Subcortical region | Basal Ganglia/ Thalamic factor | Ventricular factor | Limbic factor | Accumbens factor |
|---|---|---|---|---|
| Putamen – R | 0.952 | −0.134 | −0.211 | 0.225 |
| Putamen – L | 0.911 | −0.154 | −0.168 | 0.327 |
| Pallidum – L | 0.911 | −0.123 | 0.096 | −0.084 |
| Pallidum – R | 0.806 | 0.040 | 0.115 | −0.061 |
| Thalamus – L | 0.686 | 0.006 | 0.347 | −0.364 |
| Caudate – L | 0.681 | 0.332 | 0.079 | 0.152 |
| Caudate – R | 0.652 | 0.341 | 0.082 | 0.169 |
| Thalamus – R | 0.621 | 0.015 | 0.367 | −0.282 |
| Inferior lateral ventricle – L | −0.008 | 0.941 | −0.123 | −0.048 |
| Inferior lateral ventricle – R | −0.024 | 0.927 | 0.031 | 0.030 |
| Lateral ventricle – R | −0.029 | 0.918 | −0.118 | 0.023 |
| Lateral ventricle – L | 0.034 | 0.873 | 0.001 | −0.010 |
| Third ventricle | −0.032 | 0.806 | 0.116 | 0.013 |
| Hippocampus – R | −0.099 | −0.040 | 0.958 | 0.177 |
| Hippocampus – L | −0.051 | −0.047 | 0.933 | 0.237 |
| Amygdala – L | 0.075 | −0.031 | 0.871 | 0.050 |
| Amygdala – R | 0.154 | 0.031 | 0.832 | −0.007 |
| Accumbens – R | 0.013 | 0.039 | 0.205 | 0.786 |
| Accumbens – L | 0.316 | −0.016 | 0.329 | 0.478 |
Note: Factor loadings greater than ± 0.40 are indicated in bold.