Table 2.

Regions showing decreased fractional anisotropy in ASD

			MNI coordinates
White Matter Region	side	p (max)	x	y	z	# of voxels
JHU Atlas lables
Association Fibers
Cingulum (cingulate gyrus)	L,R	.001	−10	−24	32	402
Fornix	I	.005	0	−1	14	97
Fornix / Stria terminalis	R,L	.004	29	−28	−5	351
Sagittal stratum	R,L	.002	40	−37	−12	637
Superior fronto-occipital fasciculus	L,R	.007	−21	−3	19	25
Superior longitudinal fasciculus	R,L	.001	37	−56	15	1661
Uncinate fasciculus	R,L	.004	35	−1	−12	72
Brainstem Tract
Middle cerebellar peduncle	I	.028	5	−19	−31	232
Pontine crossing tract	I	.037	−7	−31	−28	150
Medial lemniscus	L,R	.037	−4	−34	−27	148
Superior cerebellar peduncle	L,R	.037	−7	−34	−23	194
Commissural Fibers
Body of corpus callosum	I	.001	−13	−30	29	2441
Genu of corpus callosum	I	.003	6	24	13	1267
Splenium of corpus callosum	I	.001	−18	−39	27	2029
Tapetum	R	.005	33	−42	8	23
Projection Fibers
Anterior corona radiata	L,R	.003	−15	37	2	1420
Anterior limb of internal capsule	L,R	.004	23	23	2	379
Cerebral peduncle	L,R	.003	17	−20	−12	510
Corticospinal tract	L,R	.025	6	−23	−32	436
External capsule	L,R	.002	−29	−19	13	1004
Posterior corona radiata	L,R	.001	−20	−37	32	917
Posterior limb of internal capsule	L,R	.001	−27	−25	18	925
Posterior thalamic radiation	L,R	.001	35	−58	1	1804
Retrolenticular part of internal capsule	L,R	.001	−34	−38	10	920
Superior corona radiata	L,R	.001	−21	−31	41	662

Note. R = right, L = left, I = interhemispheric. Regions are labled according to the peak p value within that region. When both R and L are listed, the bolded side indicates the peak p value and location, the # of voxels includes both sides combined.