'Mental typewriter' controlled by thought alone 18:35 09 March 2006 NewScientist.com news service Will Knight The "mental typewriter" could also be used as a games controller (Image: Fraunhofer Institute) John K Chapin, University of Rochester A computer controlled by the power of thought alone has been demonstrated at a major trade fair in Germany. The device could provide a way for paralysed patients to operate computers, or for amputees to operate electronically controlled artificial limbs. But it also has non-medical applications, such as in the computer games and entertainment industries. The Berlin Brain-Computer Interface (BBCI) – dubbed the "mental typewriter"...