Neural Interface Device

The BrainGateª Neural Interface System is an investigational device that Cyberkinetics has begun clinically testing. It is not an approved device and it is available only through a clinical study. The System consists of a sensor that is implanted on the motor cortex of the brain and a device that measures and interprets brain signals and translates these signals into useful computer control. It is hoped that the BrainGateª System might someday allow people unable to use their arms or hands to control a computer using their thoughts. (Photo by Rick Friedman/Corbis via Getty Images)