The process mirrors the storyline in the hit movie Eternal Sunshine of the Spotless Mind although it fails to bring happiness to Jim Carrey’s character.
University of Toronto experts have discovered that although there are millions of brain cells in the brain, only a handful are linked to bad memories.
And in groundbreaking studies on mice, they were able to pinpoint those brain cells associated with “fear or threat” memories - and delete them.
Crucially, the researchers found they could wipe away single, specific memories while leaving other memories intact.
The next step will be testing the treatment in people.Elsewhere in the cosmos, it turns out bad memories are good for you...