Correction to: Neuropsychopharmacology https://doi.org/10.1038/s41386-023-01561-z, published online 15 March 2023

The article “Kappa opioid receptors as modulators of novelty processing”, written by Kathryn Braden and Daniel C. Castro, was originally published online on the publisher’s internet portal on 15 March 2023 with Open Access under a Creative Commons Attribution (CC BY) license 4.0. With the authors' decision to cancel Open Access the copyright of the article changed on 30 March 2023 to © The Author(s), under exclusive licence to American College of Neuropsychopharmacology 2023 with all rights reserved.