a baby of 3 to 6 months of age should turn and search out a different sound. they should also be able to respond to the sound of their name. during this particular developmental time, the baby will play with sounds by cooing and babbling. the baby should be smile or stop crying when either of the parents speaks to him/her. in addition, the baby should act differently to the ways the parents talk to him/her (angry, friendly, loving).
6 to 10 months: a baby of 6 to 10 months of age should be able to seek out the sound source. when his or her name is called, the baby should 