experiment done by cognitive scientists at Stanford, Carnegie Mellon, and MIT. They gave people real money and offered them a series of things to buy: wireless headphones, an electric toothbrush, a Star Wars DVD, and so on. As these people were shown each product, and then its price, their brains were being scanned. It turned out researchers could do a good job of predicting whether someone would purchase something by watching which parts of the brain got more active and which got less active. And none of these were parts of the brain mainly associated with rational deliberation; rather, they
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