A paralyzed man who cannot speak or type was able to spell out over 1,000 words using a neuroprosthetic device that translates his brain waves into full sentences, US researchers said Tuesday.
"Anything is possible," was one of the man's favorite phrases to spell out, said the first author of a new study on the research, Sean Metzger of the University of California San Francisco .In the new study, published in the journal"So if he was trying to say 'cat', he would say charlie-alpha-tango," Metzger told AFP.
The researchers were able to decode more than 1,150 words, which represent"over 85 percent of the content in natural English sentences", the study said. The man is referred to as BRAVO1, as the first participant of the Brain-Computer Interface Restoration of Arm and Voice trial.– the inability to speak intelligibly, though his cognitive function remained intact.
Via a port embedded in his skull, they have since been able to monitor the different electrical patterns produced when he tries to say varying words or letters.Metzger said that BRAVO1"really enjoyed using this device because he's able to communicate quickly and easily with us".
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