Ghrelin, reward and motivation

John R.W. Menzies, Karolina P. Skibicka, Gareth Leng, Suzanne L. Dickson

Research output: Chapter in Book/Report/Conference proceedingChapter

26 Citations (Scopus)

Abstract

Almost all circulating gut peptides contribute to the control of food intake by signalling satiety. One important exception is ghrelin, the only orexigenic peptide hormone thus far described. Ghrelin secretion increases before meals and behavioural and electrophysiological evidence shows that ghrelin acts in the hypothalamus via homeostatic pathways to signal hunger and increase food intake and adiposity. These findings strongly suggest that ghrelin is a dynamically regulated peripheral hunger signal. However, ghrelin also interacts with the brain reward pathways to increase food intake, alter food preference and enhance food reward. Here we discuss ghrelin's role as an endocrine gut-brain reward signal in relation to homeostatic and hedonic feeding control.

Original languageEnglish (US)
Title of host publicationThe Ghrelin System
PublisherS. Karger AG
Pages101-111
Number of pages11
ISBN (Print)9783805599085
DOIs
StatePublished - Jan 1 2013

Publication series

NameEndocrine Development
Volume25
ISSN (Print)1421-7082
ISSN (Electronic)1662-2979

Fingerprint

Ghrelin
Reward
Motivation
Hunger
Eating
Food Preferences
Pleasure
Peptide Hormones
Adiposity
Brain
Hypothalamus
Meals
Signal Transduction
Food
Peptides

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology
  • Endocrine and Autonomic Systems

Cite this

Menzies, J. R. W., Skibicka, K. P., Leng, G., & Dickson, S. L. (2013). Ghrelin, reward and motivation. In The Ghrelin System (pp. 101-111). (Endocrine Development; Vol. 25). S. Karger AG. https://doi.org/10.1159/000346058
Menzies, John R.W. ; Skibicka, Karolina P. ; Leng, Gareth ; Dickson, Suzanne L. / Ghrelin, reward and motivation. The Ghrelin System. S. Karger AG, 2013. pp. 101-111 (Endocrine Development).
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Menzies, JRW, Skibicka, KP, Leng, G & Dickson, SL 2013, Ghrelin, reward and motivation. in The Ghrelin System. Endocrine Development, vol. 25, S. Karger AG, pp. 101-111. https://doi.org/10.1159/000346058

Ghrelin, reward and motivation. / Menzies, John R.W.; Skibicka, Karolina P.; Leng, Gareth; Dickson, Suzanne L.

The Ghrelin System. S. Karger AG, 2013. p. 101-111 (Endocrine Development; Vol. 25).

Research output: Chapter in Book/Report/Conference proceedingChapter

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Menzies JRW, Skibicka KP, Leng G, Dickson SL. Ghrelin, reward and motivation. In The Ghrelin System. S. Karger AG. 2013. p. 101-111. (Endocrine Development). https://doi.org/10.1159/000346058