Davison AP, Frégnac Y. (2006). Learning cross-modal spatial transformations through spike timing-dependent plasticity. The Journal of neuroscience : the official journal of the Society for Neuroscience. 26 [PubMed]
Dayan P. (2006). Images, frames, and connectionist hierarchies. Neural computation. 18 [PubMed]
Parisien C, Anderson CH, Eliasmith C. (2008). Solving the problem of negative synaptic weights in cortical models. Neural computation. 20 [PubMed]