Circuits for self-motion estimation and walking control in Drosophila |
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Institution: | Champalimaud Neuroscience Programme, Champalimaud Centre for the Unknown, Lisbon, Portugal |
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Abstract: | The brain's evolution and operation are inextricably linked to animal movement, and critical functions, such as motor control, spatial perception, and navigation, rely on precise knowledge of body movement. Such internal estimates of self-motion emerge from the integration of mechanosensory and visual feedback with motor-related signals. Thus, this internal representation likely depends on the activity of circuits distributed across the central nervous system. However, the circuits responsible for self-motion estimation, and the exact mechanisms by which motor-sensory coordination occurs within these circuits remain poorly understood. Recent technological advances have positioned Drosophila melanogaster as an advantageous model for investigating the emergence, maintenance, and utilization of self-motion representations during naturalistic walking behaviors. In this review, I will illustrate how the adult fly is providing insights into the fundamental problems of self-motion computations and walking control, which have relevance for all animals. |
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Keywords: | Locomotion Self-motion estimation Multimodal integration Spatial perception Motor control Behavior Proprioception Visual motion |
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