Extinction of an appetitive operant response after administration of MSH

Abba J. Kastin; George L. Dempsey; Beverly LeBlanc; Kjell Dyster-Aas; Andrew V. Schally

doi:10.1016/0018-506X(74)90037-3

Extinction of an appetitive operant response after administration of MSH

Abba J. Kastin, George L. Dempsey, Beverly LeBlanc, Kjell Dyster-Aas, Andrew V. Schally

Research output: Contribution to journal › Article › peer-review

19 Scopus citations

Abstract

Hungry rats were trained to press a lever in order to obtain food on a fixed ratio (FR) or variable ratio (VR) of reinforcement. Rats trained on the FR schedule and injected with synthetic α-MSH had delayed extinction of the task as compared with control rats injected with diluent. The results show that MSH affects the behavior of rats in another type of behavioral situation involving an appetitive operant response.

Original language	English (US)
Pages (from-to)	135-139
Number of pages	5
Journal	Hormones and Behavior
Volume	5
Issue number	2
DOIs	https://doi.org/10.1016/0018-506X(74)90037-3
State	Published - Jun 1974
Externally published	Yes

ASJC Scopus subject areas

Endocrinology
Endocrine and Autonomic Systems
Behavioral Neuroscience

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