BrainGate Wireless Brain-Computer Interface

Jan-20-15 A new wireless, electronic brain interface from BrainGate could give severely motor-impaired individuals more autonomy by allowing them more control over their environments.

While current brain-computer interfaces that allow individuals to control robotic arms or wheelchairs via electronic signals emitted by neurons have been very promising, the devices are limited by the need for technicians and bulky equipment. In contrast, the new interface, developed by the BrainGate consortium, is about the size of an automobile's gas cap. Once mounted on the head, the device's onboard processor will amplify the neurons' electrical spikes and then digitize them using circuitry. That information is then beamed by an internal radio to a nearby receiver, which reads it as a control signal to move a cursor or robotic limb.

The team's next step is to find a way to implant the electronics completely inside the body in order to eliminate the danger of infections.

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