Sounds like science fiction... for now of course. A program called DARPA is being investigated for its ability to not only return the brain to normal functioning, but through stimulation, to give it extra cognitive capabilities. We'll be able to learn more, faster!
http://www.defenseworld.net/news/15635/DARPA_Program_To_Utilize_Peripheral_Nerves_To_Accelerate_Learning#.VvLFROIrJD8