Evolution Of Facial Expression
Posted on June 25, 2008 at 10:20 am.
Filed Under Science |
A research done by Joshua Susskind of University of Toronto, suggests that different changes on the face would lead to different amounts of sensory intake. When fearful objects were shown, subjects breathed in more air, saw a wider field of view, and could visually track targets more quickly.
On the other hand, expression of disgust seems to produce the opposite effect, that is reducing the sensory intake, which means when pinching noses and squinting eyes in disgust, subjects saw and smelled less. This finding supports Darwin’s idea of emotional facial expressions might have evolved for a reason.
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Darwin, disgust, expression, facial, fear
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