Brain-Reading Devices Help Paralyzed People Move, Talk and Touch

April 22, 2022

(Scientific American) – Johnson is one of an estimated 35 people who have had a BCI implanted long-term in their brain. Only around a dozen laboratories conduct such research, but that number is growing. And in the past five years, the range of skills these devices can restore has expanded enormously. Last year alone, scientists described a study participant using a robotic arm that could send sensory feedback directly to his brain; a prosthetic speech device for someone left unable to speak by a stroke; and a person able to communicate at record speeds by imagining himself handwriting. (Read More)