At-home brain implant gives man with motor neuron disease his daily life back

Casey Harrell using the brain-computer interface at his home. Credit: Regents of the University of California, Davis A brain implant is helping a man with paralysis to communicate with his family and friends and to use his personal computer at home. The brain–computer interface (BCI) has given 48-year-old study participant Casey Harrell, who was diagnosed with a type of motor neuron disease called amyotrophic lateral sclerosis six years ago, the ability to communicate with an average speed of …