Nearly 20 years after a stroke, a paralyzed woman is able to speak again—simply by thinking—thanks to AI. Watch here

(Credit: Photo courtesy of Noah Berger, UCSF)

A paralyzed woman can speak again, thanks to a small panel of electrodes implanted onto her brain and a digital avatar developed by scientists in California.

It marks the first time speech and facial expressions have been captured from brain signals and communicated by an avatar—one that speaks with the patient’s own voice.