"In a simple experiment reported today in the journal Nature Neuroscience, scientists at New York University and UCLA show that political orientation is related to differences in how the brain processes information... Previous psychological studies have found that conservatives tend to be more structured and persistent in their judgments whereas liberals are more open to new experiences. The latest study found those traits are not confined to political situations but also influence everyday decisions.... Liberals had more brain activity and made fewer mistakes than conservatives... the results 'provided an elegant demonstration that individual differences on a conservative-liberal dimension are strongly related to brain activity.'... Sulloway said the results could explain why President Bush demonstrated a single-minded commitment to the Iraq war and why some people perceived Sen. John F. Kerry, the liberal Massachusetts Democrat who opposed Bush in the 2004 presidential race, as a 'flip-flopper' for changing his mind about the conflict."
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