Homo politicus: brain function of liberals, conservatives differs

by Marlowe Hood
Sun Sep 9, 1:33 PM ET

The brain neurons of liberals and conservatives fire differently when confronted with tough choices, suggesting that some political divides may be hard-wired, according a study released Sunday.

Aristotle may have been more on the mark than he realised when he said that man is by nature a political animal.

Dozens of previous studies have established a strong link between political persuasion and certain personality traits.