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Posted November 15th 2007 12:55PM
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A team of neuroscientists from Boston University have implanted an electrode into the brain of Eric Ramsay, who has been "locked in" - conscious but paralyzed - since a car crash eight years ago, in an effort to translate his thoughts into words. Until recently Ramsay was unable to communicate other than through eye movements, but by using an electrode implanted into an area of the brain responsible for generating speech researchers say they can correctly identify the sounds Ramsey is imagining around 80 percent of the time. Over the coming weeks, a computer will begin analyzing and translating Ramsay's thoughts into sounds that he will hear immediately - giving him feedback in real time. That should allow him to tune his thoughts so that he can consistently produce the vowel he wants. "That will be really exciting," says Joe Wright of Neural Signals, a company based in Duluth, Georgia, that has helped develop the technology Ramsey is using. "We hope it will be a breakthrough." Source - New Scientist |
