An MCMC-Based Method of Comparing Connectionist Models in Cognitive Science

Part of Advances in Neural Information Processing Systems 16 (NIPS 2003)

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Woojae Kim, Daniel Navarro, Mark Pitt, In Myung


Despite the popularity of connectionist models in cognitive science, their performance can often be difficult to evaluate. Inspired by the geometric approach to statistical model selection, we introduce a conceptually similar method to examine the global behavior of a connectionist model, by counting the number and types of response patterns it can simulate. The Markov Chain Monte Carlo-based algorithm that we constructed (cid:222)nds these patterns efficiently. We demonstrate the approach using two localist network models of speech perception.