Erasing memories

A shock to the brain may help erase a bad memory

By Stephen Ornes, 12:21 PM January 13, 2014

The brain stores memories, both good and bad. But they don’t always stay put. A new study suggests that receiving an electrical shock to the brain shortly after recalling a troubling event can help a person forget many of the upsetting details.

The study is just the latest in a series by research teams to show that memories are plastic. That means they can be changed and sometimes even erased altogether. These findings could one day lead to new treatments for people who suffer from mental dise...

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