Eyes Are Windows Into The Evolution Of...Facial Expressions?

If you become saucer-eyed when afraid or you squint from disgust, it may not be cultural - it may be biology. Near-opposite facial expressions like squinting and being wide-eyes are rooted in emotional responses that exploit how our eyes gather and focus light to detect an unknown threat, according to a study by Adam Anderson, professor of human development in Cornell's College of Human Ecology, and colleagues. read more

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