A lot of computers can play chess. [Matthew Lui’s] Giraffe is a chess playing computer, but unlike other common chess programs, Giraffe taught itself to play. It apparently learned pretty well ...

The patient, identified as Noland Arbaugh, a quadriplegic man, demonstrated remarkable control over a computer ... his ability to play video games and engage in online chess solely through the ...

a 29-year-old man with quadriplegia who said the device has enabled him to play online chess and video games. The big picture: It's one of several brain-computer interface devices being developed ...