Prosocial choices, albeit not immediately related to one’s own profit, can be critical for establishing and maintaining successful social life in human society. Participants performed a gambling task on behalf of themselves or another person inside the MRI scanner.

We found that the activation of the amygdala and the dorsomedial prefrontal cortex (DMPFC) were associated with value computations for oneself and for another, respectively, during risky financial decisions. (Jung et al., Frontiers in Neuroscience, 2012)