In this new preprint we ask: What drives #anhedonia? Problems with experiencing pleasure, reward valuation, or reward learning? @jonroiser, @vincentvalton and I reviewed the evidence from mostly cross-sectional studies in depression and schizophrenia psyarxiv.com/cya6r 🧵1/ The term anhedonia was classically understood as “inability to experience pleasure”, but do patients with anhedonia actually experience less pleasure? 2/