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Papers of the Week
Greater Conditioned Pain Modulation Is Associated With Enhanced Morphine Analgesia in Healthy Individuals and Patients with Chronic Low Back Pain.
Abstract
Conditioned pain modulation (CPM) protocols index magnitude of descending pain inhibition. This study evaluated whether degree of CPM, controlling for CPM expectancy confounds, was associated with analgesic and subjective responses to morphine, and whether chronic pain status or sex moderated these effects.