Making a living brain transparent and watching its neurons fire without disturbing their function-sounds like science fiction ...

Surgically implanted devices that allow paralyzed people to speak can also eavesdrop on their inner monologue. The finding could lead to BCIs that allow paralyzed users to produce synthesized speech ...

Surgically implanted devices that allow paralyzed people to speak can also eavesdrop on their inner monologue. That's the conclusion of a study of brain-computer interfaces (BCIs) in the journal Cell.

Postdoctoral researcher Erin Kunz holds up a microelectrode array that can be placed on the brain's surface as part of a brain-computer interface. (Jim Gensheimer) Surgically implanted devices that ...