Brain implants have already been in use for a decade. Brain pacemakers have been successfully used to treat epilepsy, Parkinson's, and depression. So while the

Brain implants have already been in use for a decade. Brain pacemakers have been successfully used to treat epilepsy, Parkinson's, and depression. So while the implants seem relatively simplistic, they do exist. http://en.wikipedia.org/wiki/Brain_pacemaker http://en.wikipedia.org/wiki/Brain_pacemaker