Israeli scientists have shown that despite losing a hand over 18 months ago, amputees are able to use a brain-computer interface to control the hand of an avatar (virtual representation of a human) and also to direct the movements of a humanoid robot.

http://portal.idc.ac.il/sites/communications_new/he/communications/research/avl/documents/publications/high-performance-in-bci.pdf

http://nocamels.com/2017/11/israeli-study-avatar-amputees/