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. Author manuscript; available in PMC: 2006 Sep 13.
Published in final edited form as: Neuron. 2005 Jul 7;47(1):129–141. doi: 10.1016/j.neuron.2005.05.020

Figure 9. Theoretical Reward Prediction Error Computations.

Figure 9

Value of reward prediction error (α[Rt − Vt − 1]) computed using the following equation: Vt = Vt − 1 + α[Rt − Vt − 1]. Plotted in black, α = 0.5; plotted in gray, α = 0.7. A unit value reward has been simulated during trial t, no rewards for the next ten trials.