Unraveling nested feedback loops in insect gaze stabilization

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    size: 5.48 GB | mime_type: application/x-zip-compressed | date: 2022-05-31

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Work Title Unraveling nested feedback loops in insect gaze stabilization
Access
Open Access
Creators
  1. Jean-Michel Mongeau
  2. Benjamin Cellini
License CC BY 4.0 (Attribution)
Work Type Dataset
Publication Date 2022
DOI doi:10.26207/qpxv-5v60
Deposited April 30, 2022

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Work History

Version 1
published

  • Created

    April 30, 2022 14:26 by jmm1175

  • Updated

    April 30, 2022 14:26 by [unknown user]

  • Updated

    April 30, 2022 14:26 by [unknown user]

  • Added Creator Jean-Michel Mongeau

    April 30, 2022 14:27 by jmm1175

  • Added Creator Benjamin Cellini

    April 30, 2022 14:27 by jmm1175

  • Updated License Show Changes

    May 31, 2022 13:26 by jmm1175

    License
    • https://creativecommons.org/licenses/by/4.0/
  • Added repo.zip

    May 31, 2022 13:36 by jmm1175

  • Updated Description Show Changes

    May 31, 2022 13:36 by jmm1175

    Description
    • Executing agile locomotion requires animals to integrate sensory feedback, often from multiple sources. For example, human gaze is mediated by multiple feedback loops that integrate visual and vestibular information. A central challenge in studying biological feedback loops is that they are nested and dynamically coupled. Here, we develop a framework based on control theory for unraveling nested feedback systems and apply it to study gaze stabilization in the fruit fly (Drosophila). By combining experimental and mathematical methods to manipulate control topologies, we uncovered the role of outer-loop visual sensory feedback and inner-loop mechanosensory feedback in the control of head movements. We discovered that visual feedback changes the tuning of head movements across visual motion frequencies whereas mechanosensory feedback damps head movements. Head saccades had slower dynamics when the body was free to move, further pointing to the role of damping via mechanosensory feedback. By comparing head responses to self-generated and externally generated body motion, we revealed a nonlinear gating of mechanosensory feedback. Altogether, our findings clarify the role of nested feedback loops in flies and uncover mechanisms that reconcile differences in flight kinematics between body-fixed and body-free flies. Our framework is generalizable to biological and robotic systems relying on nested feedback control for guiding locomotion.
    • Data for manuscript
  • Updated License Show Changes

    May 31, 2022 13:38 by jmm1175

    License
    • https://creativecommons.org/licenses/by/4.0/
    • https://rightsstatements.org/page/NoC-US/1.0/
  • Updated License Show Changes

    May 31, 2022 13:38 by jmm1175

    License
    • https://rightsstatements.org/page/NoC-US/1.0/
    • https://www.gnu.org/licenses/gpl.html
  • Updated License Show Changes

    May 31, 2022 13:38 by jmm1175

    License
    • https://www.gnu.org/licenses/gpl.html
    • https://rightsstatements.org/page/InC/1.0/
  • Published

    May 31, 2022 13:38 by jmm1175

Version 2
published

  • Created

    June 07, 2022 11:14 by jmm1175

  • Updated License Show Changes

    June 07, 2022 11:15 by jmm1175

    License
    • https://rightsstatements.org/page/InC/1.0/
    • https://creativecommons.org/licenses/by/4.0/
  • Updated License Show Changes

    June 07, 2022 11:17 by jmm1175

    License
    • https://creativecommons.org/licenses/by/4.0/
    • http://creativecommons.org/publicdomain/zero/1.0/
  • Updated License Show Changes

    June 07, 2022 11:18 by jmm1175

    License
    • http://creativecommons.org/publicdomain/zero/1.0/
    • https://rightsstatements.org/page/InC/1.0/
  • Updated License Show Changes

    June 07, 2022 11:19 by jmm1175

    License
    • https://rightsstatements.org/page/InC/1.0/
    • https://creativecommons.org/licenses/by/4.0/
  • Updated Work Title Show Changes

    June 08, 2022 12:31 by jmm1175

    Work Title
    • Unraveling nested feedback loops in insect gaze stabilization: Mechanosensory feedback actively damps visually guided head movements in fly flight
    • Unraveling nested feedback loops in insect gaze stabilization
  • Published

    June 08, 2022 12:32 by jmm1175