Fiete IR, Fee MS, Seung HS. (2007). Model of birdsong learning based on gradient estimation by dynamic perturbation of neural conductances. Journal of neurophysiology. 98 [PubMed]
Goldberg JH, Farries MA, Fee MS. (2012). Integration of cortical and pallidal inputs in the basal ganglia-recipient thalamus of singing birds. Journal of neurophysiology. 108 [PubMed]