Stage of Language Development

By lpayne085
  • Period: to

    2 months

    infants coo, making pleasant vowel sounds
  • Period: to

    4 months on

    infants observe with interest as the caregiver plays turn-taking games, such as pat-a-cake and peek a boo.
  • Period: to

    6 months on

    infants babble, adding constants to their cooing sounds and repeating syllables. By 7 months, babbling starts to include many sounds of spoken languages. Infants begin to comprehend a few commonly heard words.
  • Period: to

    12 months

    babbling includes sound and intonation patterns of the child's language community. Speed accuracy of owrd comprehension increase rapidly. Toddlers say their first recognizable word
  • Period: to

    18-24 months

    Spoken vocabulary expands from about 50 to 200 to 250 words. Toddlers combine two words