A Scientific Explanation for Tea Baggers and Birthers

“My mind’s made up, don’t confuse me with the facts.” Apparently, there’s more to that cute little expression than one might think. Indeed, when it comes to the way humans’ brains work, it seems to be an accurate description, according to some scientific inquiry conducted in 2005-06 — long before the rise of the Tea Party, and just about the time U.S. political discourse devolved into dismissive partisanship.
According to an article from the Boston Globe, facts can and often do, to use the scientific term, “backfire”:
In a series of studies in 2005 and 2006, researchers at the University of Michigan found that when misinformed people, particularly political partisans, were exposed to corrected facts in news stories, they rarely changed their minds. In fact, they often became even more strongly set in their beliefs. Facts, they found, were not curing misinformation. Like an underpowered antibiotic, facts could actually make misinformation even stronger.
The ramifications of this for an erstwhile democracy like ours are serious, as was evidenced during last summer’s series of “townhall meetings.” You remember — the yelling, the screaming, the epithets, the shouting down of our elected officials who simply were trying to chat with constituents. Facts really become the immutable truth smashing into the immovable object when they collide with our beliefs:


