Photo: #When it comes to forming opinions on candidates, members of both political parties don't let the facts get in the way of their decision-making.

Campaign 2006

This is your brain on politics

by Nikki Tundel, Minnesota Public Radio

Democrats like to call Republicans irrational. Republicans say Democrats ignore the facts. A new study finds there's truth to both arguments.

St. Paul, Minn. — Researchers at Emory University decided to investigate the way the brain processes politics. What they found helps explain why Democrats and Republicans can watch the same political debate, yet walk away with completely opposite conclusions.