Originally Posted by CraigCWB 
I get that concept in theory but I've never had that feeling when I've played computer games. Closest I've come is with real people when a feeling has come over me that there was something seriously wrong with them. It may be an issue at some point, but we aren't there yet.
Perhaps people experience it differently then, but I definitely have felt that effect while playing computer games since long before I knew there was a name for it. It comes across in many quasi-realistic CGI films as well.