Table 2.

Use Group contrasts^a.

	Current Users vs. Non-Users					Future Users vs. Non-Users

Region	Extent mm³	MNI^b Coordinates			T	Extent mm³	MNI^b Coordinates			T	Group Contrast

		x	y	z			x	y	z

Frontal
Left Superior Frontal Gyrus	88	−26	12	66	3.44						Current > Non
Right Superior Frontal Gyrus	7304	18	64	0	5.12						Current > Non
		−12	62	0	4.66
		32	60	−2	4.08
Left Mid Orbital Gyrus						2304	−8	62	−2	4.19	Future > Non
							2	58	2	3.79
Left Inferior Frontal Gyrus						168	−52	20	0	3.44	Non > Future
							−52	14	−4	3.33

Temporal

Left Superior Temporal Gyrus						72	−56	−2	14	3.52	Non > Future
Right Superior Temporal Gyrus	1680	64	2	−2	4.77						Non > Current
		56	14	−12	3.46
Left Middle Temporal Gyrus	48	−62	−54	10	3.57	5544	−54	−58	12	4.57	Current & Non > Future
							−54	−44	28	4.17
							−40	−54	14	4.13
							−38	−56	18	3.81
							−36	−58	32	3.29
						320	−50	−42	4	3.49	Non > Future
Right Temporal Pole	56	34	12	−24	3.42	272	56	10	−14	3.71	Current > Non > Future

Parietal

Right Temporo-Parietal Cortex						15272	38	−56	48	4.52	Non > Future
							46	−44	50	4.36
							46	−48	20	4.01
							52	−44	32	3.88
							50	−44	24	3.85
							26	−64	50	3.8
							42	−58	8	3.7
							40	−50	8	3.56
							44	−62	32	3.41
Left Superior Parietal Lobule						64	−30	−66	48	3.26	Non > Future
Left Parieto-Occipital Cortex	10584	−24	−66	44	4.24	624	−36	−50	48	3.57	Non > Current & Future
		−32	−70	24	4.14
		−20	−76	44	3.83
		−14	−72	42	3.82
		−16	−82	22	3.52
		−14	−88	30	3.42
Right Postcentral Gyrus						3224	58	−20	30	5.16	Non > Future
Right Precuneus	4504	0	−48	70	4.76	144	24	−58	26	3.48	Non > Current & Future
		−14	−56	70	4.19
		−26	−44	70	3.94
		24	−52	70	3.76

Occipital
Right Occipito-Parieto-Temporal Cortex	21216	42	−64	28	4.93						Non > Current
		42	−50	40	4.49
		48	−54	20	4.44
		52	−42	36	4.39
		46	−50	−6	4.07
		44	−54	−14	3.92
		20	−60	48	3.86
		26	−56	42	3.58
		24	−60	28	3.43
Right Cuneus						352	20	−74	32	3.51	Non > Future
Left Lingual Gyrus						144	−6	−86	−12	3.91	Future > Non

Limbic											Current > Non
Left Posterior Cingulate Cortex	56	−2	−46	14	3.53

Sub-Lobar

Left Insula	712	−24	14	−20	4.6						Current > Non

Cerebellum

Left Lobule VIIa Crus I						104	−20	−82	−28	3.59	Non > Future

Contrasts were whole-brain, voxel-wise T-tests, p<.001 in greater than 6 contiguous voxels, uncorrected for multiple comparisons.

Montreal Neurological Institute coordinates.