Baccus SA, Sahley CL, Muller KJ. (2001). Multiple sites of action potential initiation increase neuronal firing rate. Journal of neurophysiology. 86 [PubMed]
Cruz GE, Sahley CL, Muller KJ. (2007). Neuronal competition for action potential initiation sites in a circuit controlling simple learning. Neuroscience. 148 [PubMed]
Moss BL, Fuller AD, Sahley CL, Burrell BD. (2005). Serotonin modulates axo-axonal coupling between neurons critical for learning in the leech. Journal of neurophysiology. 94 [PubMed]