. Author manuscript; available in PMC: 2015 Apr 3.

Published in final edited form as: J Autism Dev Disord. 2012 Nov;42(11):2312–2322. doi: 10.1007/s10803-012-1478-z

Table 3.

Correlations between volume changes in the total corpus callosum (CC) and other sub-divisions.

	ΔTotal CC
	Controls	Autism
ΔTotal White Matter	.32	.02
ΔW1: Rostrum	.52^*	.36
ΔW2: Genu	.74^*	.79^*
ΔW3: Rostral Body	.53^*	.04
ΔW4: Anterior Mid-Body	.82^*	.60^*
ΔW5: Posterior Mid-Body	.73^*	.62^*
ΔW6: Isthmus	.13	.32
ΔW7: Splenium	.36	.49^*

Note. W1-7 = Witelson partitions 1–7.

p<.05. Test-retest correlations between baseline and 2-year follow-up volume measurements (not shown) were all significant (p<.001) and ranged .56–.92.