Journal article
Timing of yawns induced by a small dose of apomorphine and its alteration by naloxone
Abstract
The report examines the temporal sequence of yawns induced by apomorphine and whether the opiate antagonist, naloxone, affects it. Before administering apomorphine (0.075 mg/kg) or saline, rats (n = 8) were pretreated with naloxone (1 mg/kg) or saline. Each subject received all 4 possible treatments (saline-saline, saline-apomorphine, naloxone-saline, and naloxone-apomorphine) in random order. Results indicate that yawning induced by …
Authors
Szechtman H
Journal
Progress in Neuro-Psychopharmacology and Biological Psychiatry, Vol. 8, No. 4-6, pp. 743–746
Publisher
Elsevier
Publication Date
January 1984
DOI
10.1016/0278-5846(84)90050-2
ISSN
0278-5846