Table 5a.

Proportional accuracy means (standard errors) by region and sex. Left and right hemisphere volumes are combined. Significant difference (t-test) between males and females indicated by * (p ≤ 0.05) and ** (p ≤ 0.01).

Region		Proportional Accuracy Native vs. Tal		Proportional Accuracy Native Vs. Tal50
		Gray	White	Gray	White
Cerebral Hemisphere	Males	0.901 (0.018)	0.901 (0.017)	0.903 (0.018)	0.915 (0.018)*
	Females	0.917 (0.016)	0.919 (0.016)	0.919 (0.016)	0.853 (0.016)
Frontal Lobe	Males	0.898 (0.020)	0.894 (0.016)	0.910 (0.021)	0.915 (0.019)*
	Females	0.908 (0.018)	0.918 (0.014)	0.909 (0.019)	0.858 (0.017)
Parietal Lobe	Males	0.903 (0.017)	0.893 (0.017)	0.894 (0.016)	0.906 (0.018)**
	Females	0.908 (0.016)	0.912 (0.015)	0.923 (0.015)	0.821 (0.017)
Temporal Lobe	Males	0.878 (0.017)	0.888 (0.017)	0.885 (0.017)	0.911 (0.019)
	Females	0.920 (0.015)	0.915 (0.016)	0.916 (0.015)	0.870 (0.017)
Occipital Lobe	Males	0.921 (0.017)	0.926 (0.016)*	0.906 (0.016)	0.909 (0.017)
	Females	0.894 (0.015)	0.871 (0.015)	0.907 (0.014)	0.874 (0.015)
Cingulate Gyrus	Males	0.872 (0.016)**	0.851 (0.017)**	0.863 (0.026)**	0.855 (0.026)**
	Females	0.933 (0.014)	0.935 (0.014)	0.730 (0.023)	0.731 (0.023)
Insula	Males	0.827 (0.016)**	0.760 (0.019)**	0.915 (0.020)	0.905 (0.019)
	Females	0.919 (0.015)	0.867 (0.017)	0.870 (0.018)	0.874 (0.017)
Hippocampus	Males	0.752 (0.019)**		0.864 (0.015)**
	Females	0.884 (0.017)		0.924 (0.013)
Corpus Callosum	Males		0.845 (0.017)**		0.868 (0.024)
	Females		0.934 (0.015)		0.810 (0.022)