Effect of naloxone on analgesia induced by food deprivation |
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Authors: | R McGivern C Berka G G Berntson J M Walker C A Sandman |
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Institution: | The Ohio State University, Department of Psychology, 1314 Kinnear Road, Columbus, Ohio 43212, USA |
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Abstract: | Naloxone (4 mg/kg) or saline was administered to animals under food deprived and non-deprived conditions prior to testing pain sensitivity in the tail flick test. Food deprived animals exhibited significantly elevated latencies in comparison to latencies observed under non-deprived conditions. This analgesia was diminished by treatment with the opiate receptor antagonist, naloxone. These findings suggest that analgesia induced by food deprivation is mediated in part by opiate receptor systems. |
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