Table 5.

Fractional anisotropy (FA) in the association fiber tracts in the dorsal and ventral pathways as well as in the control fiber tracts. Multivariate analyses were carried out, with sex, handedness, cohort, and nonverbal IQ as covariates.

			F	p	${\eta }_{\text{p}}{}^2$
Dorsal Pathway
Superior Longitudinal Fasciculus (SLF)	R	Age	.80	.37	.01
		Group	5.96	.02*	.07
		Age × Group	10.71	< .01*	.11
	L	Age	.37	.55	< .01
		Group	6.78	.01*	.07
		Age × Group	3.28	.07	.04
Ventral Pathway
Inferior Longitudinal Fasciculus (ILF)	R	Age	3.89	.05	.04
		Group	5.81	.02*	.06
		Age × Group	1.67	.20	.02
	L	Age	2.54	.11	.03
		Group	2.10	.15	.02
		Age × Group	5.41	.02*	.06
Inferior Fronto-occipital Fasciculus (IFOF)	R	Age	1.65	.20	.02
		Group	9.71	< .01*	.10
		Age × Group	2.23	.14	.03
	L	Age	.69	.41	.01
		Group	5.70	.02*	.06
		Age × Group	4.57	.04	.05
Uncinate Fasciculus (UF)	R	Age	1.28	.26	.02
		Group	2.73	.10	.03
		Age × Group	8.52	< .01*	.09
	L	Age	.42	.52	.01
		Group	9.05	< .01*	.10
		Age × Group	4.31	.04	.05
Control Tracts
Genu of the corpus callosum		Age	.34	.56	< .01
		Group	.03	.86	< .01
		Age × Group	1.06	.31	.01
Body of the corpus callosum		Age	.29	.59	< .01
		Group	2.71	.10	.03
		Age × Group	1.06	.31	.01
Splenium of the corpus callosum		Age	< .01	1.00	< .01
		Group	.08	.77	< .01
		Age × Group	.22	.64	< .01

An asterisk indicates that the p-value remains significant after false discovery rate (FDR) adjustment. ${\eta }_{\text{p}}{}^2$: partial eta-squared; L: Left; R: Right.