Brain-Machine Interface Could Give Voice to the Voiceless

A speech prosthetic could give voice to people who can't speak, by converting their brain activity into words. 

Mind reading usually conjures images of scam artists with crystal balls, but a group of San Francisco neuroscientists and engineers is developing a device that can do it sans crystal ball. Their research aims to figure out what people with paralysis or brain injury are trying to say by studying how they attempt to move their mouths. By decoding patterns in the part of the brain that orchestrates the movement of the lips, tongue, jaw and larynx, the mechanical mind reader — a speech prosthe...

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