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A Shopping-Scanner Darkly
An anonymous reader writes "Using functional MRI scans, researchers have found which parts of the brain are active when people consider buying something and can predict whether or not they'll ultimately bite. One of the main findings was that rather than weighing a choice between the pleasure of making a purchase and the delayed gratification of using the dough for something else, the brain is actually weighing between the pleasure of buying and the pain of forking over the cash."
The University of Chicago has recently installed a 9.4 Tesla superconducting magnet for fMRI brain research. They claim this MRI can resolve down to individual neurons, and can even watch them fire. A press report is available here.