This machine can tell whether you're liberal or a conservative

Jefferson didn’t have access to today’s scientific machinery—eye tracker devices, skin conductance sensors, and so on. Yet these very technologies are now being used to reaffirm his insight. At the center of the research are many scholars working at the intersection of psychology, biology, and politics, but one leader in the field is John Hibbing, a political scientist at the University of Nebraska-Lincoln whose “Political Physiology Laboratory” has been producing some pretty stunning results.

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“We know that liberals and conservatives are really deeply different on a variety of things,” Hibbing explains on the latest episode of the Inquiring Minds podcast (stream above). “It runs from their tastes, to their cognitive patterns—how they think about things, what they pay attention to—to their physical reactions. We can measure their sympathetic nervous systems, which is the fight-or-flight system. And liberals and conservatives tend to respond very differently.”

This is not fringe science: One of Hibbing’s pioneering papers on the physiology of ideology was published in none other than the top-tier journal Science in 2008. It found that political partisans on the left and the right differ significantly in their bodily responses to threatening stimuli.

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