Republican Brains Differ From Democrats’ Brains In Functional Magnetic Resonance Imaging

by Stephanie Pappas

Whether you pulled the lever for Barack Obama or Mitt Romney may reflect how your brain copes with risk, new research finds.

Comparing Democrat and Republican participants turned up differences in two brain regions: the right amygdala and the left posterior insula. Republicans showed more activity than Democrats in the right amygdala when making a risky decision. This brain region is important for processing fear, risk and reward.

Meanwhile, Democrats showed more activity in the left posterior insula, a portion of the brain responsible for processing emotions, particularly visceral emotional cues from the body. The particular region of the insula that showed the heightened activity has also been linked with “theory of mind,” or the ability to understand what others might be thinking.

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About Radnor Reports

Ken Feltman is past-president of the International Association of Political Consultants and the American League of Lobbyists. He is retired chairman of Radnor Inc., an international political consulting and government relations firm in Washington, D.C. Feltman founded the U.S. and European Conflict Indexes in 1988. The indexes have predicted the winner of every U.S. presidential election beginning in 1988, plus the outcome of several European elections. In May of 2010, the Conflict Index was used by university students in Egypt. The Index predicted the fall of the Mubarak government within the next year.
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