Evidence for universality in developmental literature shows that newborn infants do not have the same facial musculature in adult humans,and it does not fully develop until adolescence.

Question

Quizplus · Accepted Answer

Newborn infants do have the same basic facial musculature as adult humans, and they are capable of making a wide range of facial expressions from birth. The development mentioned pertains more to the refinement and control over these muscles rather than their presence or basic function.

Evidence for Universality in Developmental Literature Shows That Newborn Infants