From stomach to striatum: Ghrelin infusions increase work for rewards
Corinna Schulz, Franziska Peglow, Christian la Fougère, Benjamin Bender, Johannes Klaus, Sabine Ellinger, Martin Walter, Gerald Reischl, Matthias Reimold, Nils B. Kroemer
This paper investigates the effects of ghrelin infusions on motivation and brain activity in humans, finding increased effort for rewards and enhanced striatal connectivity.
bioRxiv · Dec 9, 2025 · PreprintNeuroscience