A baby who smiles a lot is likely to increase his parents' feelings of love and caring for him and as a result, this may increase the likelihood that his biological and emotional needs will be met. This example illustrates the potential adaptive function of emotions for infants and young children and shows how language can serve as a form of _____________.

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The example illustrates how emotions, such as smiling, can serve as a form of communication, especially before infants and young children develop the ability to use language. Smiling communicates happiness and contentment, which can strengthen the bond between parents and their child, ensuring the child's needs are met.

A Baby Who Smiles a Lot Is Likely to Increase