Differential involvement of endogenous opioids in sucrose consumption and food reinforcement.
Hayward MD, Schaich-Borg A, Pintar JE, Low MJ.
Hayward MD, et al.
Pharmacol Biochem Behav. 2006 Nov;85(3):601-11. doi: 10.1016/j.pbb.2006.10.015. Epub 2006 Dec 12.
Pharmacol Biochem Behav. 2006.
PMID: 17166571
Free PMC article.
Dynorphin knockouts in the current study had bar-pressing responses for a palatable food reinforcer in an operant procedure under free-feeding conditions similar to wild-type mice while we found in a previous study that beta-endorphin and enkephalin knockout mice had reduced moti …
Dynorphin knockouts in the current study had bar-pressing responses for a palatable food reinforcer in an operant procedure under free-feedi …