Detecting prejudice in the brain:
No wonder people feel so comfortable treating people not in their "in-group" so badly - the people they're treating badly aren't even human, so what does it matter? :-/
The MPFC is only activated when a person thinks about him- or her-self or another human. When viewing a picture representing disgust, however, no significant MPFC brain activity was recorded, showing that students did not perceive members of social out-groups as human.
No wonder people feel so comfortable treating people not in their "in-group" so badly - the people they're treating badly aren't even human, so what does it matter? :-/