Biomechanical interactions, rather than neurons, control the movements of one of the simplest animals. The discovery offers a glimpse into how animal behavior worked before neurons evolved.
The post <a href="https://www.quantamagazine.org/before-brains-mechanics-may-have-ruled-animal-behavior-20220316/">This Animal’s Behavior Is Mechanically Programmed </a>first appeared in <a href="http://quantamagazine.org">Quanta Magazine.</a>
Music is “Running Out” by Patrick Patrikios.

Brain Chemical Helps Signal to Neurons When to Start a Movement

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