Using fMRI scans of the brain, US scientists have for the first time developed a method of "seeing" pain and suggest it may lead to reliable ways for doctors to quantify objectively how much pain patients are feeling. They also propose their study may open the route to using brain scans to measure anxiety, depression, and emotional states like anger. Lead author Tor Wager from the University of Colorado Boulder (CU-Boulder), and colleagues, report their findings online in the 11 April issue of the New England Journal of Medicine...
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