Durstewitz D, Seamans JK, Sejnowski TJ. (2000). Dopamine-mediated stabilization of delay-period activity in a network model of prefrontal cortex. Journal of neurophysiology. 83 [PubMed]
Smith AJ, Becker S, Kapur S. (2005). A computational model of the functional role of the ventral-striatal D2 receptor in the expression of previously acquired behaviors. Neural computation. 17 [PubMed]