In Alexandre Dumas’s classic novel The Count of Monte Cristo, a character named Monsieur Noirtier de Villefort suffers a terrible stroke that leaves him paralyzed. Though he remains awake and aware, ...

Patients with brainstem strokes or degenerative disorders such as ALS may have normal cognition without the ability to move or speak. Could a brain–computer interface enable autonomous communication?

Neuralink has implanted its brain-computer interface in a human, according to an announcement made on Monday by South African-born American billionaire entrepreneur Elon Musk, who co-founded the ...