# Reward Prediction Error
**Domain:** Neuroscience / Reinforcement Learning
**Doc Type:** Concept
**Maturity:** Developed
**Related:** [[Wolfram Schultz]], [[Peter Dayan]], [[P. Read Montague]], [[Temporal-Difference Learning]], [[Schedule and Loop]]
## Definition
Reward prediction error is the difference between expected and received reward used to update future predictions and action values.
## Schedule–Loop Context
It is the mathematical hinge of the schedule-loop merger: an organism's response to reinforcement becomes an error signal inside a learning controller.
## Backlinks
- [[Schedule and Loop]]
- [[articles/Schedule and Loop|Schedule and Loop]]
- [[Russia and Prussia Kybernetiks]]