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Bilateral interactions of optic-flow sensitive neurons coordinate course control in flies

Author

Listed:
  • Victoria O. Pokusaeva

    (Institute of Science and Technology Austria (ISTA)
    University of Toronto Scarborough)

  • Roshan Satapathy

    (Institute of Science and Technology Austria (ISTA))

  • Olga Symonova

    (Institute of Science and Technology Austria (ISTA))

  • Maximilian Joesch

    (Institute of Science and Technology Austria (ISTA))

Abstract

Animals rely on compensatory actions to maintain stability and navigate their environment efficiently. These actions depend on global visual motion cues known as optic-flow. While the optomotor response has been the traditional focus for studying optic-flow compensation in insects, its simplicity has been insufficient to determine the role of the intricate optic-flow processing network involved in visual course control. Here, we reveal a series of course control behaviours in Drosophila and link them to specific neural circuits. We show that bilateral electrical coupling of optic-flow-sensitive neurons in the fly’s lobula plate are required for a proper course control. This electrical interaction works alongside chemical synapses within the HS-H2 network to control the dynamics and direction of turning behaviours. Our findings reveal how insects use bilateral motion cues for navigation, assigning a new functional significance to the HS-H2 network and suggesting a previously unknown role for gap junctions in non-linear operations.

Suggested Citation

  • Victoria O. Pokusaeva & Roshan Satapathy & Olga Symonova & Maximilian Joesch, 2024. "Bilateral interactions of optic-flow sensitive neurons coordinate course control in flies," Nature Communications, Nature, vol. 15(1), pages 1-21, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-53173-w
    DOI: 10.1038/s41467-024-53173-w
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    References listed on IDEAS

    as
    1. Jonas Braun & Femke Hurtak & Sibo Wang-Chen & Pavan Ramdya, 2024. "Descending networks transform command signals into population motor control," Nature, Nature, vol. 630(8017), pages 686-694, June.
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