Brain structure differs in liberals, conservatives: study

By Agence France-Presse
Thursday, April 7th, 2011 -- 3:55 pm

WASHINGTON — Everyone knows that liberals and conservatives butt heads when it comes to world views, but scientists have now shown that their brains are actually built differently.

Liberals have more gray matter in a part of the brain associated with understanding complexity, while the conservative brain is bigger in the section related to processing fear, said the study on Thursday in Current Biology.