Table 2.

Differences in Gray Matter Volume and Fractional Anisotropy Associated With p Factor Scores From Exploratory Whole-Brain Voxel-Based Morphometry and Diffusion Tensor Imaging Analyses

Cluster Size, k	Peak Region	MNI Coordinates			Peak z Score	R2 (p Factor)
		x	y	z
Voxel-Based Morphometry Analysis
2555	Right visual association cortex (BA 18)	8	−74	14	4.53	0.074
	Right calcarine cortex	15	−71	15	4.01	0.059
	Right calcarine cortex	14	−59	11	3.86	0.054
975	Left supplementary motor area (BA 6)	−5	8	54	4.08	0.060
	Cingulate gyrus	0	23	39	3.67	0.050
	Left cingulate gyrus, anterior division (BA 32)	−5	6	44	3.58	0.047
Diffusion Tensor Imaging Analysis
247	Left anterior corona radiata	−21	27	13	4.95	0.087
344	Left genu of corpus callosum (forceps minor)	−8	27	−2	4.83	0.083
	Left genu of corpus callosum (forceps minor)	−17	38	−8	4.17	0.063
	Right genu of corpus callosum (forceps minor)	6	29	3	4.07	0.060
105	Right anterior corona radiata	21	33	13	4.02	0.059
	Right anterior corona radiata	20	26	16	3.51	0.046
97	Right anterior corona radiata	15	44	−8	3.77	0.052
	Right anterior corona radiata	18	38	−0	3.60	0.048
	Right anterior corona radiata	15	33	−6	3.60	0.048

n = 265 for voxel-based morphometry analyses; n = 258 for diffusion tensor imaging analyses.

BA, Brodmann area; MNI, Montreal Neurological Institute.