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Predictability and hierarchy in Drosophila behavior

View ORCID ProfileGordon J. Berman, View ORCID ProfileWilliam Bialek, Joshua W. Shaevitz
doi: https://doi.org/10.1101/052928
Gordon J. Berman
Joseph Henry Laboratories of Physics and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544
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  • ORCID record for Gordon J. Berman
William Bialek
Joseph Henry Laboratories of Physics and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544
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Joshua W. Shaevitz
Joseph Henry Laboratories of Physics and Lewis-Sigler Institute for Integrative Genomics, Princeton University, Princeton, NJ 08544
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Abstract

Even the simplest of animals exhibit behavioral sequences with complex temporal dynamics. Prominent amongst the proposed organizing principles for these dynamics has been the idea of a hierarchy, wherein the movements an animal makes can be understood as a set of nested sub-clusters. Although this type of organization holds potential advantages in terms of motion control and neural circuitry, measurements demonstrating this for an animal’s entire behavioral repertoire have been limited in scope and temporal complexity. Here, we use a recently developed unsupervised technique to discover and track the occurrence of all stereotyped behaviors performed by fruit flies moving in a shallow arena. Calculating the optimally predictive representation of the fly’s future behaviors, we show that fly behavior exhibits multiple time scales and is organized into a hierarchical structure that is indicative of its underlying behavioral programs and its changing internal states.

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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 4.0 International license.
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Posted May 12, 2016.
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Predictability and hierarchy in Drosophila behavior
Gordon J. Berman, William Bialek, Joshua W. Shaevitz
bioRxiv 052928; doi: https://doi.org/10.1101/052928
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Predictability and hierarchy in Drosophila behavior
Gordon J. Berman, William Bialek, Joshua W. Shaevitz
bioRxiv 052928; doi: https://doi.org/10.1101/052928

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