If facial expressions are universal, then babies should be even more likely than adults to express anger with a scowl and sadness with a pout, because they’re too young to learn rules of social appropriateness. And yet when scientists observe infants in situations that should evoke emotion, the infants do not make the expected expressions. For example, the developmental psychologists Linda A. Camras and Harriet Oster and their colleagues videotaped babies from various cultures, employing a growling gorilla toy to startle them (to induce fear) or restraining their arm (to induce anger). Camras
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interesting that facial recongnition patterns exist corss culturally but are not evident with infants. this is important because they do not have the retraint from social standards to not make the face that comes naturally.
