'Mind-Reading Machine' Turns Thought To Words

"A mind-reading machine may no longer be the stuff of science-fiction after researchers discovered a way to translate people's thoughts into words. Using sensors attached to the speech centres of the brain, scientists converted brain signals into speech for the first time. An epileptic patient, who had part of his skull removed for another operation, was fitted with two button-sized grids of 16 tiny electrodes. The team recorded brain signals as he repeatedly read the words yes, no, hot...