A preliminary study at the University of Adelaide in South Australia has shown the promise of brain-computer interfaces in treating stroke victims. The research, conducted by the University of Adelaide, showed that a stroke victim experienced a 36% percent improvement in a stroke-damaged hand, after 5 hours of treatment. Brain-computer interfaces are devices which can translate signals from the brain into computer commands.
http://www.bbc.co.uk/programmes/p05dq3hx?