Table 3. Results of exploratory uncorrected whole brain statistics (p<0.001, k = 10) showing the main effect of genotypes and their interaction on gray matter volume.

Main effect of CHRNA5 genotype
						MNI
Region	Brodmann Area	K	Z-score	p	x	y	z
Inferior Frontal Gyrus	BA 47	169	4.01	0.0001	−28	30	−5
Occipital Lobe, Cuneus	BA 19	137	3.82	0.0001	−10	−95	30
Cerebellum, Posterior Lobe		466	3.68	0.0001	28	−82	−24