Babbling- vowel and consonant chains6,14
Teething so able to produce new sounds with teeth (lip-to-teeth, tongue-to-teeth)6
Produce sounds along with body movement6
Produces consonants with front and back of tongue6
Appears to recognize words like daddy, bye-bye, and momma16
Begin producing sounds to initiate communication and attention14
Consonant production in front of mouth increases6
Monosyllabic babble8
Reacts to differences in intonations and reflections14
Babbles longer repetitive sound sequences (increased volume, pitch, intonation variation)6