A new study demonstrates that a person with severe paralysis caused by amyotrophic lateral sclerosis (ALS) can use a brain-computer interface (BCI) at home to communicate, work and interact with the ...

Casey Harrell, a 47-year-old man with amyotrophic lateral sclerosis (ALS), has gained the ability to speak and sustain a full-time job throughout his involvement in a groundbreaking clinical trial As ...

Casey Harrell uses his implants to talk to friends and family, read to his young daughter, and perform his job. Casey Harrell has had a set of electrodes embedded in his brain for almost three years.

“I’m looking for a cheetah.” The curious statement popped onto the computer screen of a man with amyotrophic lateral sclerosis who was no longer able to speak or to move his body below the neck. It ...

Trial participant Casey Harrell, pictured here in May 2026 with his family, has used the brain-computer interface at his home for two years. A new study demonstrates that a person with severe ...

“It is very sweet to have the ability to look at my wife’s eyes when she hears my voice and conjures up a sweet memory,” Casey Harrell said Researchers at UC Davis have created an advanced ...