Reduced dopaminergic reinforcement, not learning capacity, limits operant learning in aging Drosophila
Ishrat Jahan, Helen Holvoet, Jean‐François De Backer, Ilona C Grunwald Kadow
This study shows that aging in Drosophila impairs dopaminergic reinforcement rather than learning capacity, with specific subtype vulnerabilities in dopaminergic neurons.
bioRxiv · Jun 22, 2026 · PreprintNeuroscience