Scientists studying learning in mice have inadvertently encountered ‘zombie neurons’ in the brain – not flesh-eating, virus-spreading monsters, but cells that stop interacting normally even though they’re functionally alive. What’s more, they shed new light on learning processes in the brain.
A team from Portugal discovered the cells as part of an investigation into how a part of the brain called the cerebellum learns from the environment around us.
The cerebellum processes sensory information related to motor movements. It helps us walk down a crowded street, or pick up a drink without spilling it, and it’s also important for learning: so if we bump into something, we know how to refine our movement to avoid it next time. Exactly how that learning happens was the subject of this new study.
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