Researchers identify fMRI signature associated with pain

04/11/2013 | Medscape (free registration)

A nociceptive pain signature that shows up on functional MRIs indicates heat-induced pain and is sensitive to opioid drugs, which means it could be used to confirm pain in people who cannot communicate it, University of Colorado researchers reported in the New England Journal of Medicine. Researcher Tor Wager said the pain signature also could lead to a better understanding of how different brain systems are involved in different kinds of pain.

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