Fig. 2.

Between-group contrast of the least vs the most socially meaningful condition of fearful faces produces dissociable activity in regions of emotion processing. The low callous trait group showed significantly greater activity relative to the high callous trait group in (A) left amygdala (threshold of p < 0.01; small-volume corrected) to p < 0.05 and (B) bilateral medial prefrontal cortex (threshold of p < 0.001; p < 0.05 corrected) when fear eyes-removed was contrasted with fear eyes-only. Follow-up comparisons revealed that the low callous trait group showed greater activity in these regions when viewing the least socially meaningful condition (fear eyes-removed) relative to the most (fear eyes-only), whereas the high callous trait group showed greater activity in these regions for the most socially meaningful condition relative to the least.