Reversal of memory loss discovered in 'accidental breakthrough'

They were experimenting with deep-brain stimulation in an attempt to curb the appetite of a 30st patient who suffered from a lifelong obesity problem. Electrodes were pushed into his brain and stimulated with an electric current.

The treatment did not cure his eating problem -- but he experienced vivid memories of an event that occurred 30 years earlier. In the following weeks, and up to a year later, the memory of the 50-year-old patient improved.

Read full story in The Daily Mail.