Gurney K, Prescott TJ, Redgrave P. (2001). A computational model of action selection in the basal ganglia. I. A new functional anatomy. Biological cybernetics. 84 [PubMed]
Montague PR, Dayan P, Sejnowski TJ. (1996). A framework for mesencephalic dopamine systems based on predictive Hebbian learning. The Journal of neuroscience : the official journal of the Society for Neuroscience. 16 [PubMed]