Background: Patients with anorexia nervosa forgo eating despite emaciation and severe
health consequences. Such dysfunctional decision-making might be explained by an
excessive level of self-control, alterations in homeostatic and hedonic regulation, or an
interplay between these processes. We aimed to understand value-based decision-making
in anorexia nervosa and its association with the gut hormone ghrelin. Besides its
homeostatic function, ghrelin has been implicated in the hedonic regulation of appetite and …