Table 3.

Results of planned fMRI contrasts

Group/contrast/region (Brodmann's Area)	Coordinates			Z value	Cluster size
	x	y	z
Honest
Op Win > No-Op Win
No suprathreshold activation
Op Loss > No-Op Loss
Left lingual gyrus (18)	−24	−66	−10	4.35	42
Left fusiform gyrus (37)	−30	−32	−22	3.70	23
Left cerebellum	−4	−52	−24	3.32	14
Ambiguous
Op Win > No-Op Win
No suprathreshold activation
Op Loss > No-Op Loss
Left intraparietal sulcus (7)	−26	−50	44	3.88	19
Left precentral gyrus (6)	−36	−10	52	3.77	23
Right precentral gyrus (6)	62	12	24	3.62	25
Left inferior parietal lobule (2/40)	−52	−28	38	3.51	11
Dishonest
Op Win > No-Op Win
Right inferior frontal gyrus (45)	46	22	4	3.57	13
Op Loss > No-Op Loss
Left anterior cingulate cortex (25)	−4	32	0	4.38	16
Left hippocampus	−14	−16	−14	4.15	18
Right middle frontal gyrus (45/46)	42	34	32	3.97	16
Ambiguous and dishonest
Op Win > No-Op Win
Left anterior cingulate cortex (32)	−8	20	38	3.56	17
Op Loss > No-Op Loss
Right anterior cingulate cortex (32)	16	14	38	3.79	11
Left orbitofrontal cortex (47)	−32	26	−12	3.72	73
Left middle frontal gyrus (46)	−40	52	10	3.65	31
Left anterior cingulate cortex (24)	−6	34	14	3.63	88
Left insula	−38	6	0	3.55	48
Left medial superior frontal gyrus (32)	−6	30	36	3.53	86
Left inferior frontal gyrus (45)	−38	36	12	3.30	11

p < 0.001 uncorrected; minimum cluster size = 10. Op, Opportunity.