Scientists are now using artificial intelligence to help people who cannot speak.
Researchers at Columbia University's Mortimer B. Zuckerman Mind Brain Behavior Institute are creating bots to translate brain signals into speech, per a study published Tuesday in Scientific Reports.
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Researchers are using a vocoder, a synthesizer that decodes speech after learning and listening to the speech patterns of humans, writes Gizmodo. Popular voice command systems like Apple's Siri and Amazon's Alexa also use this technology, says Nima Mesgarani, the paper's senior author. While the technology can't translate all of a person's imagined thoughts, it can translate patterns in brain signals to reconstruct words, rather than having a person select pre-programmed words from a system, as Hawking did.
"Our voices help connect us to our friends, family and the world around us, which is why losing the power of one's voice due to injury or disease is so devastating," said Mesgarani. "we have a potential way to restore that power. We've shown that, with the right technology, these people's thoughts could be decoded and understood by any listener."
In the study, patients listened to a person reading numbers 0-9 while researchers scanned their brains and the AI decoded it into speech. The AI software correctly picked up at least 75 percent of the patient's language, researchers found.
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