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. 2013 Dec 20;7:185. doi: 10.3389/fncom.2013.00185

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Copyright © 2013 Endres, Chiovetto and Giese.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Determining if the model type is a smooth instantaneous mixture (SIM) or an anechoic delayed mixture (AMM) from 10 trials, after marginalizing the estimated number of sources. Top: Anechoic ground truth. BIC and LAP perform comparably well, AIC often mistakes an AMM for a pPCA model. Bottom: Ground truth from smooth instantaneous mixture. Only the Laplace approximation criterion (LAP) correctly detects the SIM model in the majority of cases, BIC and AIC confuse SIM with pPCA due to their inability of handling soft constraints. For details, see text.