Arbitration between model-free and model-based control is not affected by transient changes in tonic serotonin levels. - Gilger, Maximilian D.; Hellrung, Lydia; Neukam, Philipp T.; Kroemer, Nils B.; Nebe, Stephan; Pooseh, Shakoor; Deza-Lougovski, Yacila I.; Smolka, Michael N. (Journal of Psychopharmacology, 2024)