Research shows that faces are important - special, even - to infants right from birth. They learn to distinguish their mother's face from those of others after only a matter of hours, and begin to distinguish between emotional facial expressions after only a few days. This awareness and expertise quickly becomes an important tool for learning. Infants learn to read faces around them for cues about their world - is it safe? is it fun? is it a good idea? And they learn to trust those faces most familiar to them the most.
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