The technology could eventually help those who have lost their voice to speak again.
Scientists have developed a brain implant that can read people's minds and turn their thoughts to speech.They add that their findings,Experts said the findings were compelling and offered hope of restoring speech.First an electrode is implanted in the brain to pick up the electrical signals that manoeuvre the lips, tongue, voice box and jaw.
Then powerful computing is used to simulate how the movements in the mouth and throat would form different sounds.You might think it would be easier to scour the brain for the pattern of electrical signals that code for each word.Instead it was focusing on the shape of the mouth and the sounds it would produce that allowed the scientists to achieve a world first.
"This is an exhilarating proof of principle that, with technology that is already within reach, we should be able to build a device that is clinically viable in patients with speech loss."Media playback is unsupported on your deviceThe system is better with prolonged sounds like the"sh" in ship than with abrupt sounds such as the"buh" sound in"books".
In experiments with five people, who read hundreds of sentences, listeners were able to discern what was being spoken up to 70% of the time when they were given a list of words to choose from.
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