I can't remember the name of the phenomenon but there is some scientific theory that posits an explaination as to why we have an adverse reaction to "realistic" human computer graphics such as those in Beowulf and that Tom Hank's Christmas Train movie (?).
Basically, we process an enourmous amount of minute details when analysing and constructing a human face. If a good chunk of that subtle information is missing, the image becomes an uncomfortable and unnatural representation of a real human being. We have trouble accepting that image as a representation of a real human being. That said, the more cartoonish the image, the more endearing the image becomes.
I wish I could remember the name of the theory or at least find an article about it!
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