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http://www.nytimes.com/2005/10/18/health/psychology/18imag.html?incamp=article_popularThey seem almost alive: snapshots of the living human brain.
Not long ago, scientists predicted that these images, produced by sophisticated brain-scanning techniques, would help cut through the mystery of mental illness, revealing clear brain abnormalities and allowing doctors to better diagnose and treat a wide variety of disorders. And nearly every week, it seems, imaging researchers announce another finding, a potential key to understanding depression, attention deficit disorder, anxiety.
Yet for a variety of reasons, the hopes and claims for brain imaging in psychiatry have far outpaced the science, experts say.