How to erase a memory—and restore it

June 1, 2014 5:02 PM

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How to erase a memory—and restore it

Using a flash of light, scientists have inactivated and then reactivated a memory in genetically engineered rats. The study, supported by the National Institutes of Health, is the first cause-and-effect evidence that strengthened connections between neurons are the stuff of memory.

"Our results add to mounting evidence that the brain represents a memory by forming assemblies of neurons with strengthened connections, or synapses, explained Roberto Malinow, M.D., Ph.D., of the University of California, San Diego (UCSD), a grantee of the NIH's National Institute of Mental Health ...

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