Coming soon: A brain implant to restore memory by Kerry Sheridan The implantable BrainGate neural interface can detect and record brain signals, allowing persons who have lost the use of arms and legs to have point-and-click control of a computer. A BrainGate device has remained functional for 2.7 years (1,000 days). Credit: Matthew McKee/BrainGate Collaboration In the next few months, highly secr