The latest news from the world of science. A new technique is being used to treat conditions such as drug addiction and epilepsy. It is even helping to improve musicians' performance. Neurofeedback trains patients to control their own brain activity, and although controversial, the most recent research suggests there may be something in it. Can we really learn to alter the state of our minds to ease pain, prevent an epileptic fit or play the violin better? Geoff Watts investigates.
Producer Alexandra Feachem