Animation has progressed in such a way that CGI is coming closer and closer to human-like depictions without actually using live actors. As animation in not only film and video games comes closer to reality, there becomes a closer gravitation towards the uncanny.
http://www.buzzfeed.com/danmeth/welcome-to-uncanny-valley#.kmvbOj0OA
-Uncanny, Uncanny Valley
-Imani Gaines, Max Eagle, Kat Dodge