Table 3.

Voxel-Based Morphometry Clusters for All PCA, PCA With LDs, and PCA Without LDs

Region	Cluster Size	t Value	zScore	x	y	z
All PCA
Right middle occipital	52491	13.10	7.64	28	−80	26
Right superior occipital		10.95	7.01	26	−68	26
Right supramarginal		10.63	6.90	48	−36	44
Right middle cingulum		10.32	6.80	14	−38	42
Bilateralcuneus		10.03	6.70	0	−75	36
Right inferior temporal		9.95	6.67	50	−69	-4
Right inferior occipital		9.68	6.57	42	−78	0
Right angular		9.56	6.52	46	−51	38
Right postcentral		9.45	6.48	18	−42	60
Right inferior parietal		9.44	6.48	44	−48	54
Left middle occipital		9.43	6.48	−30	−84	26
Right middle frontal	222	9.06	6.33	36	33	22
Right precentral	467	8.03	5.90	33	−3	50
Left precentral	596	7.13	5.48	-30	−9	52
Left hippocampus	162	7.02	5.42	-14	−36	3
Right hippocampus	195	6.88	5.35	16	−34	3
Right inferior frontal	186	6.67	5.24	39	10	32
Left superior temporal	201	6.00	4.87	-52	−21	14
PCA With LDs
Right middle occipital	14490	11.54	7.20	30	−80	18
Right superior occipital		8.95	6.29	26	−68	26
Right inferior parietal		8.71	6.19	44	−48	54
Right angular		8.30	6.02	57	−51	26
Right superior parietal		8.22	5.99	15	−70	54
Right cingulum		8.22	5.98	14	−38	44
Right precuneus		8.22	5.98	20	−66	42
Right inferior temporal	3506	8.50	6.10	54	−51	−15
Right inferior occipital		8.34	6.04	42	−78	0
Right fusiform		7.63	5.72	36	−64	−16
Left middle occipital	2220	7.99	5.88	−27	−76	22
Left inferior temporal		7.15	5.49	−54	−58	14
Left superior occipital		5.87	4.80	−16	−66	40
Left middle temporal		5.79	4.75	−48	−63	24
Left inferior occipital	1001	7.00	5.41	−40	−75	−10
Left inferior temporal		6.42	5.11	−50	−56	−8
Right superior temporal	345	6.93	5.38	54	−26	14
Left middle temporal	230	6.58	5.20	−60	−40	−3
Right middle temporal	187	6.52	5.16	62	−20	−8
PCA Without LDs
Right superior occipital	17368	9.92	6.66	28	−81	26
Right middle occipital		9.65	6.56	30	−81	20
Right middle cingulum		8.61	6.15	12	−33	36
Left precuneus		8.35	6.04	−2	−75	36
Left middle occipital		8.30	6.02	−39	−78	30
Right inferior parietal		8.22	5.98	50	−36	45
Right postcentral	144	7.48	5.65	58	−18	44
Right precentral	279	7.26	5.54	34	−3	48
Left superior parietal	270	7.23	5.53	−20	−46	60
Left inferior parietal	555	6.88	5.35	−44	−38	40
Bilateral cuneus	258	6.36	5.07	4	−86	21
Left middle occipital	107	6.17	4.97	−50	−74	0

Abbreviations: LD, learning disability; PCA, posterior cortical atrophy.