Not shitting you. Researchers at MIT have placed electrodes in the rat's brain that allows its movement to be controlled remotely.
Their findings were published in the 'Journal of Neural Engineering' and titled "A wirelessly powered and controlled device for optical neural control of freely-behaving animals".
Full link here: http://neurobonkers.com/?p=3298
This guy remote controlled rats years ago....
Dunno about rats, but there's also this:
I think the important question here is "How long till I can get one installed on my girlfriend?"
Just buy her some vibrating panties and get some Pavlov action happening everytime you walk in the room or something.
I cant wait to have this in my head