Researchers have discovered signatures in brain activity that allow them to tell old and new memories apart. The team analyzed recordings from mouse brains using a machine-leaning algorithm, which was able to accurately classify memories as recent or remote. They also found robust communication between a frontal brain region and the hippocampus, a link which may form a concrete mechanism that tracks the age of memories.
from Health & Medicine News -- ScienceDaily https://www.sciencedaily.com/releases/2019/12/191217114229.htm
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