What Are Dimples?
May Help Communicate
One study conducted on human facial expressions offers some insight into the purpose of dimples. While more research needs to be done, the study indicates that dimples may help people communicate more clearly.
The presence of dimples is thought to make an expression or smile more noticeable. The study suggests dimples may also better indicate the intensity of a person's expression. For example, the amount of happiness a smile is meant to convey.
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