3
votes
1answer
93 views

What are the neurological mechanisms behind risking one's own life for another?

Every so often, we hear of people who go that extra mile and put their life on the line (and sometimes, give their life) for another person - whether it is a loved one or a complete stranger ...
8
votes
1answer
161 views

Can stress be detected by an fMRI?

How does stress damage the brain (if at all)? Is it akin to taking drugs, heavy drinking, or a minor stroke? Would an fMRI of a stressed person present evidence of stress?