Fig. 1.

Left: ROIs from Harvard-Oxford subcortical and cortical structural probabilistic atlases. a) Nucleus accumbens: light blue; b) caudate: red; c) putamen: green; d) frontal medial cortex: purple; e) orbitofrontal cortex: dark blue; f) anterior cingulate cortex: yellow. Right: The monetary incentive delay (MID) task presents a cue indicating whether money can be won, followed by an anticipatory phase, then a target, and feedback indicating whether or not money was won. (For interpretation of the references to color in this figure legend, the reader is referred to the web version of this article.)