A brain implant that needs no ongoing technician visits could reach everyone who needs it, not only those near a research hospital.
Casey Harrell
Living with a disease like ALS, you are supposed to have diminished dreams. I do not.
Technology & Innovation Active Updated Sep 15, 2026
Can brain implants give paralyzed people movement and speech back?
Brain implants leave the lab
Where it stands as of Sep 15, 2026
Brain-computer interfaces are starting to restore more than one channel of expression at once. A UCSF team led by Edward Chang showed three paralyzed patients could control a full-body avatar that spoke and gestured together, with two of them managing both in real time, while Feinstein Institutes researchers separately reported a double neural bypass raising one patient's arm strength by up to 86 percent after 35 weeks of training. These remain single-digit patient counts inside research trials, and how long any of
Brain-computer interfaces are moving from lab demos that needed a technician to devices people use unaided at home, restoring speech and movement to people with paralysis.
The story so far
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Sep 15, 2026 Latest
A UCSF team led by neurosurgeon Edward Chang tested a brain-computer interface on three patients with vocal-tract and body paralysis from ALS or brainstem stroke, reading motor cortex signals for both speech and gestures at once. Two participants controlled a full-body avatar in real time, speaking and gesturing together, and the combined brain activity for speech plus gesture exceeded the sum of the two signals alone rather than overwhelming the system as researchers had assumed.
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Jul 23, 2026
Feinstein Institutes researchers reported in Nature that Keith Thomas's double neural bypass, in which electrodes read his intention to move and route it past his spinal injury to his arms while sensors send touch signals back, raised his right arm strength 86 percent and his left arm 62 percent after 35 weeks of training. He can now scratch his nose, wipe his mouth and pet his dog, and some function has persisted even with the system switched off.
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Jul 18, 2026
STAT caught up with Keith Thomas, whose brain-computer interface paired with a spinal cord stimulator restored real sensation and movement to his hand and arm this year. He talked animatedly with his hands about his dog, a Malshipoo named Bow, a concrete sign of how much daily function the device has returned to him.
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Jul 17, 2026
Researchers at New York's Feinstein Institutes for Medical Research, led by Chad Bouton, reported that Keith Thomas, paralyzed since a 2020 diving accident, kept moving individual fingers and feeling tingling in his wrist even after a building fire forced his brain-computer interface offline for three months. Bouton called it unheard of, since the device meant to bridge his broken spinal cord seems to have coaxed the nervous system into healing part of the break itself.
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Jun 19, 2026
Harrell's system let him read aloud to his daughter, and an AI voice reconstruction made his speech about 20 percent more intelligible in noise.
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Jun 17, 2026
An implant that recalibrates itself overnight let its user operate it without a technician, a step toward devices that work outside research hospitals.
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Jun 16, 2026
Casey Harrell, who has ALS, was reported using a brain-computer interface for more than 3,800 hours at home, and a separate adaptive deep-brain stimulation system corrected Parkinson's gait stride by stride.
On the record
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