Reinforcement learning

A causal link between prediction errors, dopamine neurons and learning

In plain English

Optogenetic stimulation of dopamine neurons tested a causal connection between prediction-error signals and learning in rats.

On the show1
  1. EP 61

    Nobel Prize in Medicine 2026 Explained: Optogenetics

    How did proteins from algae give scientists control over brain cells? We explain the 2026 Medicine Nobel, optogenetics, memory experiments and early medical applications.

    Nobel Prize in Medicine 2026 Explained: Optogenetics
Authors6

Elizabeth E Steinbergorcid, Ronald Keiflinorcid, Josiah R Boivinorcid, Ilana B Witten, Karl Deisseroth, Patricia H Janakorcid