A null model for cortical representations with grandmothers galore

TitleA null model for cortical representations with grandmothers galore
Publication TypeJournal Article
Year of Publication2017
AuthorsKreiman, G
JournalLanguage, Cognition and Neuroscience
Pagination274 - 285
Date Published08/2016
KeywordsComputational models, human visual cortex, localist representation, sparse coding, visual recognition

There has been extensive discussion in the literature about the extent to which cortical representations can be described as localist or distributed. Here, we discuss a simple null model that encompasses a family of related architectures describing the transformation of signals throughout the parts of the visual system involved in object recognition. This family of models constitutes a rigorous first approximation to explain the neurophysiological properties of ventral visual cortex. This null model contains both distributed and local representations throughout the entire hierarchy of computations and the responses of individual units are meaningful and interpretable when encoding is adequately defined for each computational stage.

Short TitleLanguage, Cognition and Neuroscience

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CBMM Relationship: 

  • CBMM Funded