The distinctive right-side movement of the baby’s mouth when it babbled showed that the brain’s left hemisphere was in control, Petitto said.

Parents who try to understand their baby's babbling let their infants know they can communicate, which leads to children forming complex sounds and using language more quickly. The study's results ...

New research shows the timing of others' reactions to their babbling is key to how babies begin learning language and social norms -- a process evident in infants' interactions with a robot.