Functional neuroimaging technologies like single photon emission computerized tomography, or SPECT, and positron emission tomography, or PET, now enable scientists to monitor changes in brain activity. And although the brain mechanisms behind hysterical illness are still not fully understood, new studies have started to bring the mind back into the body, by identifying the physical evidence of one of the most elusive, controversial and enduring illnesses.
http://www.nytimes.com/2006/09/26/science/26hysteria.html?ex=1316923200&en=8f2f962d65a5c38c&ei=5090&partner=rssuserland&emc=rss
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