Related milestonesReacts to sudden noises or soundsBy 6 MonthsNot StartedUses both hands to explore toysBy 6 MonthsNot StartedBrings hands and objects to mouthBy 6 MonthsNot StartedListens and responds when spoken toBy 6 MonthsNot StartedLooks at people and objectsBy 6 MonthsNot Started