Parental interaction plays a big role.
Hen their daughter, Makena, was born four years ago, Hermosa Beach residents and first-time parents Karlee and Dave McCarroll did all the right things to encourage her language development. Begins to imitate some sounds and turns her head toward the direction of sounds. Responds to sound by making sounds. Uses voice to express happiness and displeasure, and babbles chains of consonants. Points to objects or a picture when it is named for her.