How memories may survive hibernation

Hibernating mice lost and regrew half of their memory connections while key hubs remained intact, offering clues about how memories might persist. The discovery could help scientists understand how the brain stores experiences efficiently. It’s a step toward unlocking the mysteries of memory.
How do you fit a human life’s experiences into 1.3 kilograms of brain? Neuroscientists have searched for the cells that generate and store our memories for decades. Now, some surprising hints have turned up in the brains of hibernating mice.
Science News