Endogenous Pain Modulation Induced by Extrinsic and Intrinsic Psychological Threat in Healthy Individuals

• Observing pain in another induces endogenous analgesia.• Threat of pain to oneself also initiates endogenous analgesia.• Endogenous analgesia was observed in the absence of any somatosensory afferent input.• Intrinsic/extrinsic threat cues may be important in noxious CPM paradigms.

from The Journal of Pain http://ift.tt/2Bs353P
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