The new technology uses tiny electrodes implanted on the surface of the brain to detect electrical activity in the part of the brain that controls the tongue and face.
A paralyzed woman was able to speak for the first time in the world. This is made possible through a digital avatar, according to The Guardian.
The new technology is said to use tiny electrodes on the surface of the brain and is faster than eye-tracking synthesizers. So he turns brain signals into language and facial expressions.
“The new technology uses tiny electrodes implanted on the surface of the brain to detect electrical activity in the part of the brain that controls language and facial movements. These signals are directly translated into the speech and facial expressions of a digital avatar, including a smile, sulk or surprise. Our goal is – to restore a full, integrated way of communicating that is really the most natural way for us to communicate with others,” said Professor Edward Chang, who led the work at the University of California, San Francisco (UCSF).
According to the study, the team implanted a paper-thin rectangle consisting of 253 electrodes on the surface of the brain in an area critical for speech. The electrodes blocked brain signals that, if not for the stroke, would have controlled the muscles in his tongue, jaw, larynx, and face. After the implant, the woman worked with the team to train the system’s artificial intelligence algorithm to detect her brain’s unique signals for different speech sounds by repeating different phrases. repeatedly.
The computer remembered 39 different sounds, and used a Chat GPT-style language model to translate the signals into understandable sentences. It was then used to control an avatar with a personalized voice similar to Ann’s before she was injured, based on a recording of her wedding speech. The technology isn’t perfect: words weren’t decoded correctly 28% of the time in tests involving more than 500 phrases, and it generated brain-to-text at 78 words per minute, compared to 110-150 words commonly spoken in natural conversation ..
Remember that a brain implant was created previously that destroys a tumor within 15 days.
Source: korrespondent
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