Feedforward Learning of Mixture Models

Part of Advances in Neural Information Processing Systems 27 (NIPS 2014)

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Matthew Lawlor, Steven W. Zucker


We develop a biologically-plausible learning rule that provably converges to the class means of general mixture models. This rule generalizes the classical BCM neural rule within a tensor framework, substantially increasing the generality of the learning problem it solves. It achieves this by incorporating triplets of samples from the mixtures, which provides a novel information processing interpretation to spike-timing-dependent plasticity. We provide both proofs of convergence, and a close fit to experimental data on STDP.