NeurosciencebioRxivPreprint
Climbing fibers encode the gradient of a loss function for the cerebellum
Jafar Doostmohammadi, Nazanin Mohammadrezaei, Hisham Y. Elseweifi…·Reza Shadmehr
The paper shows climbing fibers in the cerebellum encode the gradient of a loss function, solving the credit assignment problem by scaling error with reward prediction errors.
DOI 10.64898/2026.07.27.741034