determining whether a face is friendly or annoyed is a high-level cognitive process. I wouldn't be too sure about that. The human brain has an enormous amount

determining whether a face is friendly or annoyed is a high-level cognitive process. I wouldn't be too sure about that. The human brain has an enormous amount of dedicated circuitry for recognizing and interpreting human faces. When something goes wrong in that circuitry we can't just "do it in software" and we call it face-blindness.