BrainGate used severely paralyzed adults from "spinal-cord injury, stroke, or muscular dystrophy". Like with anything implanted, the biggest concern is infectio

BrainGate used severely paralyzed adults from "spinal-cord injury, stroke, or muscular dystrophy". Like with anything implanted, the biggest concern is infection but which can be easily monitored at the implantation site. Similar work has used locked-in patients (http://en.wikipedia.org/wiki/Locked-In_syndrome http://en.wikipedia.org/wiki/Locked-In_syndrome).