The Artic Ground Squirrel and Alzheimer’s

The Arctic ground squirrel hibernates every year. During that time, their brains shrivel. They lose thousands, or even millions, of synapses, the connections between brain cells that allow
communication. But just two hours after waking up, their brains are bursting with new connections. In fact, they have extra connections, and have to shed a few over the next day or so get to normal.

How do their brains do it? And can we learn anything about reversing human brain degeneration by studying the qualities that make the Arctic ground squirrel’s so productive post-hibernation?

– Posit Science

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