Cyberkinetics

The New York Times > Health > With Tiny Brain Implants, Just Thinking May Make It So. Here's another step towards science fiction. In the near future, a chip in your brain may allow the computer to do what you think, without you having to type or move the mouse manually. They are about to begin testing with quadriplegics who have much to gain from this technology.

Slashdot pointed me at this article.