Related Experiment Video

Updated: Aug 18, 2026

Use of the Operant Orofacial Pain Assessment Device (OPAD) to Measure Changes in Nociceptive Behavior
12:20

Use of the Operant Orofacial Pain Assessment Device (OPAD) to Measure Changes in Nociceptive Behavior

Published on: June 10, 2013

Effect of opiate receptor blockade on pain sensitivity in the rat

G G Berntson, J M Walker

    Brain Research Bulletin
    |March 1, 1977
    PubMed

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