Too expand on it further:
Basically we look at something like Mickey Mouse and we like him for his human-like qualities. He's a cute character and he walks on 2 legs and he wears clothes, etc. The more human-like he is, the better we like him. UNTIL, he hits a certain point (which is obviously the blinking for the OP) at which we begin to be repulsed by him because he starts to look like an "imperfect human". Instead of focusing on the things that make him look cute and human-like, we start to focus on the things that make him look odd and inhuman.