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Comment
. 2013 Jun;36(3):232-3.
doi: 10.1017/S0140525X12002300. Epub 2013 May 10.

Sparse coding and challenges for Bayesian models of the brain

Thomas Trappenberg  1 , Paul Hollensen
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Sparse coding and challenges for Bayesian models of the brain

Thomas Trappenberg et al. Behav Brain Sci. 2013 Jun.

Abstract

While the target article provides a glowing account for the excitement in the field, we stress that hierarchical predictive learning in the brain requires sparseness of the representation. We also question the relation between Bayesian cognitive processes and hierarchical generative models as discussed by the target article.

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