Table 3.

Results of planned fMRI contrasts

Group/contrast/region (Brodmann's Area)CoordinatesZ valueCluster size
xyz
Honest
    Op Win > No-Op Win
        No suprathreshold activation
    Op Loss > No-Op Loss
        Left lingual gyrus (18)−24−66−104.3542
        Left fusiform gyrus (37)−30−32−223.7023
        Left cerebellum−4−52−243.3214
Ambiguous
    Op Win > No-Op Win
        No suprathreshold activation
    Op Loss > No-Op Loss
        Left intraparietal sulcus (7)−26−50443.8819
        Left precentral gyrus (6)−36−10523.7723
        Right precentral gyrus (6)6212243.6225
        Left inferior parietal lobule (2/40)−52−28383.5111
Dishonest
    Op Win > No-Op Win
        Right inferior frontal gyrus (45)462243.5713
    Op Loss > No-Op Loss
        Left anterior cingulate cortex (25)−43204.3816
        Left hippocampus−14−16−144.1518
        Right middle frontal gyrus (45/46)4234323.9716
Ambiguous and dishonest
    Op Win > No-Op Win
        Left anterior cingulate cortex (32)−820383.5617
    Op Loss > No-Op Loss
        Right anterior cingulate cortex (32)1614383.7911
        Left orbitofrontal cortex (47)−3226−123.7273
        Left middle frontal gyrus (46)−4052103.6531
        Left anterior cingulate cortex (24)−634143.6388
        Left insula−38603.5548
        Left medial superior frontal gyrus (32)−630363.5386
        Left inferior frontal gyrus (45)−3836123.3011
  • p < 0.001 uncorrected; minimum cluster size = 10. Op, Opportunity.