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How the brain makes new memories while preserving the old

(The Zuckerman Institute at Columbia University) Columbia scientists have developed a new mathematical model that helps to explain how the human brain's biological complexity allows it to lay down new memories without wiping out old ones -- illustrating how the brain maintains the fidelity of memories for years, decades or even a lifetime. This model could help neuroscientists design more targeted studies of memory, and also spur advances in neuromorphic hardware -- powerful computing systems inspired by the human brain.
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