Text-to-speech brain implant restores ALS patient's voice
- A new brain-computer interface developed at UC Davis Health translates brain signals into speech with up to 97% accuracy, allowing ALS patients to communicate.
- Casey Harrell, a 45-year-old man with ALS, had the BCI implanted to help him regain the ability to speak.
- The emotional impact of communication was profound, as Harrell expressed joy when he could finally convey his thoughts.
23 Articles
23 Articles

Brain tech breakthrough restores ALS patient’s ability to speak
The brain-computer interface developed by University of California, Davis, is aimed at restoring movement, but its improvement of speech underscores its broader promise.
They get a man with ALS to 'talk' again: “The first time we tried the new system, he cried with joy”
“Not being able to communicate is very frustrating and demoralizing. It's like you're trapped. Something like this technology will help people reintegrate into life and society.” These are the words of Casey Harrell, a 45-year-old man with a serious impairment in his oral communication capacity due to amyotrophic lateral sclerosis (ALS), who has been able to speak again thanks to a new brain-computer interface (BCI) developed at UC Davis Health,…


New brain-computer interface allows man with ALS to 'speak' again
A new brain-computer interface translates brain signals into speech with up to 97 percent accuracy. Researchers implanted sensors in the brain of a man with severely impaired speech due to amyotrophic lateral sclerosis (ALS). The man was able to communicate his intended speech within minutes of activating the system.
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