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Cortical Microcircuits from a Generative Vision Model

Dileep George, Alexander Lavin, J. Swaroop Guntupalli, David Mely, Nick Hay, Miguel Lázaro-Gredilla
doi: https://doi.org/10.1101/379313
Dileep George
Vicarious AI, San Francisco, USA
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Alexander Lavin
Vicarious AI, San Francisco, USA
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J. Swaroop Guntupalli
Vicarious AI, San Francisco, USA
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David Mely
Vicarious AI, San Francisco, USA
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Nick Hay
Vicarious AI, San Francisco, USA
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Miguel Lázaro-Gredilla
Vicarious AI, San Francisco, USA
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Abstract

Understanding the information processing roles of cortical circuits is an outstanding problem in neuroscience and artificial intelligence. The theoretical setting of Bayesian inference has been suggested as a framework for understanding cortical computation. Based on a recently published generative model for visual inference (George et al., 2017), we derive a family of anatomically instantiated and functional cortical circuit models. In contrast to simplistic models of Bayesian inference, the underlying generative model’s representational choices are validated with real-world tasks that required efficient inference and strong generalization. The cortical circuit model is derived by systematically comparing the computational requirements of this model with known anatomical constraints. The derived model suggests precise functional roles for the feedforward, feedback and lateral connections observed in different laminae and columns, and assigns a computational role for the path through the thalamus.

Footnotes

  • dileep{at}vicarious.com, alex{at}vicarious.com, swaroop{at}vicarious.com, david{at}vicarious.com, nick{at}vicarious.com, miguel{at}vicarious.com

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted August 05, 2018.
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Cortical Microcircuits from a Generative Vision Model
Dileep George, Alexander Lavin, J. Swaroop Guntupalli, David Mely, Nick Hay, Miguel Lázaro-Gredilla
bioRxiv 379313; doi: https://doi.org/10.1101/379313
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Cortical Microcircuits from a Generative Vision Model
Dileep George, Alexander Lavin, J. Swaroop Guntupalli, David Mely, Nick Hay, Miguel Lázaro-Gredilla
bioRxiv 379313; doi: https://doi.org/10.1101/379313

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