Gruber AJ, Dayan P, Gutkin BS, Solla SA. (2006). Dopamine modulation in the basal ganglia locks the gate to working memory. Journal of computational neuroscience. 20 [PubMed]
Gruber AJ, Solla SA, Surmeier DJ, Houk JC. (2003). Modulation of striatal single units by expected reward: a spiny neuron model displaying dopamine-induced bistability. Journal of neurophysiology. 90 [PubMed]