Here is a link to a New Scientist article about Dr Ramachandran's research into relieving the intense and very real phantom limb pain.
I read his book about the subject, I found revelations on every page, incredibly insightful. The book is called Phantoms in the Brain and anyone interested in how the brain works will be fascinated by this incredible book, Phantoms in the brain, a HIGHLY recommended read!
Here is the link to the article. I am suprised the piece did not mention the book, so I made a comment about it at the end: