The role of ghrelin in reward-based eating

M Perelló, JM Zigman - Biological psychiatry, 2012 - Elsevier
The peptide hormone ghrelin acts in the central nervous system as a potent orexigenic
signal. Not only is ghrelin recognized as playing an important role in feeding circuits
traditionally thought of as affecting body weight homeostasis, but also an accumulating
number of scientific studies have identified ghrelin as being a key regulator of reward-based,
hedonic eating behaviors. In the current article, we review ghrelin's orexigenic actions, the
evidence linking ghrelin to food reward behavior, potential mechanisms by which ghrelin …