This really is an incredible breakthrough for any type of handicap, from serious motor impairment to debilitating speech. The system has been in real-world testing and is an extraordinary success. The patients are set-up to looks at a screen of the alphabet, thinking about each letter for a period of time, then they should be able to think-type in real time. While it is not near the speed of actual typing, it is the only program of it's kind and can only get better.
Link to Original Source