[Comment] Reaching again: a glimpse of the future with neuroprosthetics
Paralysis of the arms and hands due to disease or trauma of the CNS greatly impairs the quality of life of millions of individuals. Therapies that replace lost neurons or repair severed connections hold great promise, but are probably years away from clinical deployment. Neuroprosthetics offer an alternative approach to restoring function, without relying on repair of damaged tissue, that is based on two fundamental premises. The first premise is that when we move a body part, or even imagine moving, moment-to-moment information that describes the movement can be decoded from measurements of the electrical activity in certain regions of the brain.