In a fruit fly, nerve cells that detect limb movement are silenced when the insect walks or grooms. This on-off switch may help the nervous system to shift between two states: one helps keep the body steady and the other readies it to move.



Summary

Fruit fly research reveals a clever on-off switch in nerve cells that detect limb movement. These cells are silenced during walking and grooming, suggesting a mechanism for the nervous system to alternate between stability and movement preparation. This modulation likely streamlines neural processing, allowing the fly to efficiently transition between staying still and initiating actions. Understanding this simple system may offer insights into the complex mechanisms underlying motor control and state-dependent neural processing in more complex organisms.

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