Original broadcast date: January 4, 2009

Although it seems to be a device out of Star Trek, for people with severe neurological impairment that prevents them from communicating or moving, it is a device that can literally expand their world and reduce unfathomable frustration. The system uses patients’ brain waves and eye and muscular movements to interface with the environment.

• Dr. Paul Gnanayutham, Senior Lecturer, School of Computing, University of Portsmouth, UK