"The IM program provides a structured, goal-oriented process that challenges the patient to synchronize a range of hand and foot exercises to a precise computer-generated reference tone heard through headphones. The patient attempts to match the rhythmic beat with repetitive motor actions"
My uncle in the UK used it after he had a brain op for Parkinsons. He was given the program on the National Health but only for about 9 months. I believe it is quite expensive if you have to buy it