Making mouse memories

Making mouse memories

Neuroscientists create a synthetic recollection of fear in rodents

By Laura Sanders, 14:42 PM March 21, 2012

In the movie Eternal Sunshine of the Spotless Mind, scientists erase troubling memories from Jim Carrey’s head. In real life, scientists have done the opposite.

By reactivating certain nerve cells, researchers make artificial memories pop into mice’s heads. The results, published in the March 23 Science and online March 22 in Nature, offer a deeper understanding of how the brain creates and uses memories.

Much of what scientists know about how the brain remembers comes from studies that l...

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