The American journal of psychiatry
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Individual differences in a person's ability to control fear have been linked to activation in the dorsal anterior cingulate cortex, the ventromedial prefrontal cortex, and the amygdala. This study investigated whether functional variance in this network can be predicted by resting metabolism in these same regions. ⋯ Resting brain metabolism predicted neuronal reactivity and skin conductance changes associated with the recall of the fear extinction memory.