Bob and Joe are given the task of dividing $10 between them. Bob initially makes an offer to divide the money such that he takes $7 for himself and gives Joe $3. If you were looking at an MRI scan of Joe's brain, what would you see?

A) No activity in the limbic system as this is clearly a rational task.
B) Activity in the limbic system, but little activity anywhere else.
C) Activity in both the limbic system and the dorsolateral prefrontal cortex because both emotion and rationality are involved.
D) Activity only in the dorsolateral prefrontal cortex.
E) Bob's MRI scan would be more informative than Joe's to understand how Joe will react.

Answer: C