Vocal development of 9-month-old babies with cleft palate.

@article{Chapman2001VocalDO,
  title={Vocal development of 9-month-old babies with cleft palate.},
  author={Kathy L Chapman and Mary A Hardin-Jones and Julie Schulte and Kelli Ann Halter},
  journal={Journal of speech, language, and hearing research : JSLHR},
  year={2001},
  volume={44 6},
  pages={1268-83}
}
This study compared the prelinguistic vocal development of 9-month-old babies with unrepaired cleft palate (n = 30) and age-matched peers (n = 15). Samples of the babies' spontaneous vocalizations were obtained while they interacted with their primary caregiver during play. The groups were compared on a number of variables including (a) canonical babbling… CONTINUE READING