Table 3.

Differences in brain activation between allelic groups

			Montreal Neurological Institute coordinates
Brain region	Voxels	Z (maximum)	x	y	z
Left accumbens	83	4.26	−10	10	−10
Right amygdala	65	4.03	12	−4	−18
Left anterior cingulate gyrusa	419	4.93	−4	24	24
Brainstem	16	4.24	0	−22	−20
Left orbital frontal cortexa	10	3.4	−32	20	−22
Left insular cortexa	59	3.87	−32	22	0
Right insular cortex	108	3.66	38	14	−10
Left middle frontal gyrus	21	3.43	−34	10	32
Left occipital fusiform gyrus	147	4.5	−30	−84	−22
Posterior cingulate	11	3.51	0	−44	4
Right superior frontal gyrusa	41	3.84	10	2	66
Left thalamus	134	4.58	−6	−4	−2

^aTwo clusters within same region, coordinates and peak activation reported for highest peak activation.