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Showing 1–9 of 9 results
Advanced filters: Author: Igor Siwanowicz Clear advanced filters

  • The physiology and behavioral function of proprioceptors that detect joint limits are not fully understood. In this study, the authors used calcium imaging, optogenetics, behavioral genetics, and the connectome to demonstrate that hair plate proprioceptors on the fly leg detect joint limits and engage circuits to drive the leg away from those limits.

    • Brandon G. Pratt
    • Chris J. Dallmann
    • John C. Tuthill
    ResearchOpen Access
    Nature Communications
    Volume: 17, P: 1-13

  • Measurements of fly muscle activity using a genetically encoded calcium indicator and high-speed imaging of wing movement were used to construct a model of the insect wing hinge and the role of steering muscles in flight control.

    • Johan M. Melis
    • Igor Siwanowicz
    • Michael H. Dickinson
    Research
    Nature
    Volume: 628, P: 795-803

  • In Drosophila, the physical structure of the eye has a key role in the directional tuning of motion-sensitive neurons, showing how navigational behaviour is tightly associated with anatomy.

    • Arthur Zhao
    • Eyal Gruntman
    • Michael B. Reiser
    ResearchOpen Access
    Nature
    Volume: 646, P: 135-142

  • A group of dopamine neurons that are distinct from those mediating aversive reinforcement is found to signal sugar reward in the fly brain, highlighting the evolutionarily conserved function of dopamine neurons in reward processing.

    • Chang Liu
    • Pierre-Yves Plaçais
    • Hiromu Tanimoto
    Research
    Nature
    Volume: 488, P: 512-516

  • A detailed whole-body model of the fruit fly, developed using a physics-based simulation and deep reinforcement learning, accurately replicates real fly behaviour.

    • Roman Vaxenburg
    • Igor Siwanowicz
    • Srinivas C. Turaga
    ResearchOpen Access
    Nature
    Volume: 643, P: 1312-1320

  • Single motor neurons in Drosophila are stimulated to show that they direct head movements towards specific postures rather than generating fixed movement vectors, suggesting that the brain controls movements through a continuing proprioceptive–motor loop.

    • Benjamin Gorko
    • Igor Siwanowicz
    • Stephen J. Huston
    Research
    Nature
    Volume: 628, P: 596-603

  • Drosophila are shown to have retinal muscles that allow them to smoothly track visual motion and also to make rapid eye movements, and the associated functions and mechanisms involved are discussed.

    • Lisa M. Fenk
    • Sofia C. Avritzer
    • Gaby Maimon
    Research
    Nature
    Volume: 612, P: 116-122

  • This study reports an anatomical and functional screen of mushroom body–extrinsic neurons in Drosophila and finds that MB-V2 cholinergic efferent neurons are essential for retrieval of aversive short- and long-term memory, but not for memory formation or consolidation. During memory retrieval, MB-V2 neurons reinforce the olfactory pathway involved in innate odor avoidance.

    • Julien Séjourné
    • Pierre-Yves Plaçais
    • Thomas Preat
    Research
    Nature Neuroscience
    Volume: 14, P: 903-910

  • Aversive long-term memory is formed after multiple conditioning sessions spaced by a rest interval. The authors identify specific dopaminergic neurons that display oscillatory calcium activity and are required during the rest interval to allow the formation of long-term memory in the mushroom body, the olfactory memory center.

    • Pierre-Yves Plaçais
    • Séverine Trannoy
    • Thomas Preat
    Research
    Nature Neuroscience
    Volume: 15, P: 592-599