Early reduction in aversive Pavlovian bias as a mediator of anhedonia improvement during Behavioural Activation in realistic treatment settings. - Berndt, Lioba C. S.; Crawley, Daisy; Tymchyk, Ruslana; Hall, Anna; Onysk, Jakub; Erdmann, Tore; Wimmer, Elliott; Berwian, Isabel M.; Norbury, Agnes; Huys, Quentin J. M. (PLoS Computational Biology, 2026)