Bok
11-28-2011, 07:36 AM
When a researcher asks a volunteer to slide head-first into the open eye of a magnetic resonance imaging (MRI) machine, the expectation is that the device's magnetic field will penetrate the skull to produce a faithful picture of the brain without changing its behavior. A new study suggests, however, that MRI machines do, in fact, manipulate brain activity--and they change the brain in a way that helps treat depression. In other words, MRIs may be unintentional antidepressants . [More] (http://www.scientificamerican.com/article.cfm?id=do-mris-treat-depression)
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