Table VI.

Four‐factor solution with promax rotation from PCA of phenotypic correlations among subcortical volumes

Subcortical region	Basal Ganglia/ Thalamic factor	Ventricular factor	Limbic factor	Accumbens factor
Putamen – R	0.840	−0.118	−0.108	0.150
Putamen – L	0.869	−0.100	−0.111	0.102
Pallidum – L	0.909	−0.042	−0.030	−0.153
Pallidum – R	0.758	0.039	0.040	−0.016
Thalamus – L	0.721	−0.041	0.284	−0.244
Caudate – L	0.566	0.344	0.067	0.251
Caudate – R	0.559	0.311	0.035	0.301
Thalamus – R	0.699	−0.045	0.274	−0.215
Inferior lateral ventricle – L	−0.042	0.804	0.023	−0.052
Inferior lateral ventricle – R	−0.070	0.806	0.061	−0.145
Lateral ventricle – R	0.047	0.857	−0.104	0.006
Lateral ventricle – L	0.053	0.875	−0.135	0.013
Third ventricle	−0.078	0.769	0.155	0.009
Hippocampus – R	−0.046	0.065	0.914	−0.007
Hippocampus – L	0.050	0.058	0.841	−0.013
Amygdala – L	0.095	−0.106	0.648	0.174
Amygdala – R	0.067	−0.046	0.679	0.210
Accumbens – R	−0.167	0.006	0.080	0.807
Accumbens – L	0.114	−0.190	0.093	0.676

Note: Factor loadings greater than ± 0.40 are indicated in bold.