List of Deep brain stimulation devices:
http://www.eurekalert.org/pub_releases/2016-04/uota-eso040416.php
https://www.wired.com/2016/01/phil-kennedy-mind-control-computer
http://www.thelancet.com/journals/lanpsy/article/PIIS2215-0366(17)30076-7/fulltext