Memory machine: Molecule stores memories in neocortex

What happens in our brains when we learn and remember? Are memories recorded in a stable physical change, like writing an inscription permanently on a clay tablet?

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<p><a href="http://www.physorg.com/news106493080.html">Memory machine: Molecule stores memories in neocortex</a></p> <p>What happens in our brains when we learn and remember? Are memories recorded in a stable physical change, like writing an inscription permanently on a clay tablet?</p>