Troyer TW, Doupe AJ. (2000). An associational model of birdsong sensorimotor learning I. Efference copy and the learning of song syllables. Journal of neurophysiology. 84 [PubMed]
Troyer TW, Doupe AJ. (2000). An associational model of birdsong sensorimotor learning II. Temporal hierarchies and the learning of song sequence. Journal of neurophysiology. 84 [PubMed]