Hurts so good: Chronic pain changes brain response to acute pain

Wednesday, April 14, 2010 - 12:49 in Psychology & Sociology

New research reveals why a stimulus that healthy human subjects perceive as a reward might be processed quite differently in the brains of humans suffering from chronic pain. The study, published by Cell Press in the April15 issue of the journal Neuron, provides fascinating insight into an apparent switch in neural circuitry that may be an integral part of the pathophysiology of chronic pain.

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