Table 4 Pearson correlation coefficients between brain structural parameters volumes and the University Selection Test outcomes by sex.

Brain segmentation without ventricles

.302

.506**

.353*

.458*

.247

.512***

Cortical gray matter

.326*

.465*

.364*

.443*

.275

.449*

Left hemisphere cortical gray matter

.341*

.456*

.373*

.442*

.297*

.433**

Right hemisphere cortical gray matter

.308*

.471*

.352*

.442*

.250

.462**

Cerebral white matter

.088

.345*

.149

.301

.035

.361*

Left hemisphere cerebral white matter

.096

.361*

.153

.318*

.047

.373*

Right hemisphere cerebral white matter

.080

.328*

.144

.282

.022

.347*

Gray matter

.445*

.574***

.477*

.533***

.400*

.568***

Subcortical gray matter

.324*

.362*

.378**

.317*

.266*

.378*

Supratentorial

.227

.435*

.285

.401*

.166

.433**

Left inferior frontal gyrus

.177

.356*

.122

.383*

.153

.303

Left cerebellum white matter

.053

.323*

.119

.257

−.004

.361*

Left cerebellum cortex

.395*

.487*

.387*

.429*

.396*

.504**

Left thalamus proper

.224

.343*

.248

.315*

.193

.343*

Left caudate

.175

.350*

.230

.338*

.129

.333*

Left putamen

.190

.041

.264*

−.007

.094

.083

Left pallidum

.261

.357*

.257

.355*

.275

.331*

Brainstem

.357*

.575***

.383*

.478*

.321*

.623***

Left hippocampus

.433*

.299

.461*

.244

.375*

.329*

Left amygdala

−.037

−.001

−.039

−.038

−.033

.035

Left accumbens area

−.242

−.160

−.201

−.183

−.280

−.124

Left ventral dorsal caudate

.221

.382*

.276*

.320*

.180

.410**

Right inferior frontal gyrus

.346*

.540***

.330*

.443**

.345**

.590****

Right cerebellum white matter

.045

.372*

.116

.302*

−.013

.409**

Right cerebellum cortex

.390*

.565***

.386*

.496**

.386*

.585***

Right thalamus proper

.226

.349*

.268

.347*

.192

.324*

Right caudate

.206

.363*

.258

.345*

.162

.353*

Right putamen

.158

.083

.218

.041

.010

.116

Right pallidum

.414*

.354*

.415*

.340*

.405*

.340*

Right hippocampus

.320*

.221

.366*

.151

.256

.271

Right amygdala

.178

.309*

.201

.304*

.161

.290

Right accumbens area

.302

.370*

.360*

.306*

.214

.402*

Right ventral dorsal caudate

.303*

.431*

.348*

.393*

.270

.434**

Posterior corpus callosum

−.227

.318*

−.208

.346*

−.227

.265

Middle-posterior corpus callosum

−.327*

−.082

−.306*

−.088

−.308*

−.069

Central corpus callosum

−.242

.116

−.229

.124

−.238

.099

Middle-anterior corpus callosum

−.140

.045

−.142

−.013

−.113

.096

Anterior corpus callosum

−.239

.067

−.228

.089

−.226

.040