New Map of Meaning in the Brain Changes Ideas About Memory

We often think of memory as a rerun of the past — a mental duplication of events and sensations that we’ve experienced. In the brain, that would be akin to the same patterns of neural activity getting expressed again: Remembering a person’s face, for instance, might activate the same neural patterns as the ones for seeing their face. And indeed, in some memory processes, something like this does…

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