Table 4.

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

Brain structural parameters volumes	PSU (L + M)		Language (L)		Mathematics (M)
	Males	Females	Males	Females	Males	Females
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

PSU: University Selection Test; FDR q < .05 *; q < .01**; q < .001 ***.