Rat brain controlled robot - BBC news 2008

[Isaac]

If this has been posted here before, I was unable to find where.
http://news.bbc.co.uk/2/hi/technology/7559150.stm

The project marries 300,000 rat neurons to a robot that navigates via sonar.

Aside from being a test to someday see how the brain degrades. This sounds like the the first step toward people living longer by transplanting their brains into machines.