This article is from the archive of our partner National Journal

We're partisans by nature, and once we pick a side we see the world in red or blue. But how do political psychologists actually measure that? National Journal's Brian Resnick volunteers his brain in a New York University lab to find out.

For more on the the battle for our political brains, read National Journal's "How Politics Breaks Our Brains, and How We Can Put Them Back Together." 

This article is from the archive of our partner National Journal.

We want to hear what you think about this article. Submit a letter to the editor or write to letters@theatlantic.com.