Make sounds with your mouth and watch to see if your baby imitates you. You can also copy the sounds your baby makes to encourage a back-and-forth interaction.
Researchers have posited that mirroring back behaviour is emotionally pleasing to infants and facilitates further communication.
Newborns as young as 42 minutes old match gestures shown to them, including tongue protrusion and mouth opening.
Studies have found that child-directed actions produce greater imitation than adult-directed actions. Meltzoff, A.N. (1999) Born to Learn: What Infants Learn from Watching Us in N. Fox & J.G. Worhol (Eds.), The Role of Early Experience in Infant Development, Skillman, NJ: Paediatric Institute Publications, 1999. Williamson RA, Brand RJ. (2014). Child-directed action promotes 2-year-olds' imitation. J Exp Child Psychol.118:119–126.
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