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Direct linkVälimaa, Taina T.; Kunnari, Sari M.; Laukkanen-Nevala, Päivi; Ertmer, David J. – Journal of Speech, Language, and Hearing Research, 2019
Purpose: The purpose of this study was to investigate the time course of vocal development in infants and toddlers with bilateral cochlear implants (CIs; bilateral CI group) who are acquiring Finnish and to compare their progress to that of infants with normal hearing and typical development (TD group). Method: Five thousand nine hundred…
Descriptors: Infants, Toddlers, Verbal Development, Assistive Technology
Ertmer, David J.; Jung, Jongmin – Journal of Deaf Studies and Deaf Education, 2012
This investigation examined the time course and sequence of prelinguistic vocal development during the first year of cochlear implant (CI) experience. Thirteen children who were implanted between 8 and 35 months and 11 typically developing (TD) infants participated in this longitudinal study. Adult-child play interactions were video- and…
Descriptors: Infants, Assistive Technology, Verbal Development, Longitudinal Studies
Snow, David P.; Ertmer, David J. – Clinical Linguistics & Phonetics, 2013
This article describes the development of intonation in 12 cochlear implant (CI) recipients. In a previously reported study of the first year of CI use, children who were implanted late (after 24 months) acquired intonation more rapidly than the younger participants. The older children's advantage is plausibly owing to their greater maturity.…
Descriptors: Assistive Technology, Control Groups, Infants, Intonation
Ertmer, David J.; Kloiber, Diana True; Jung, Jongmin; Kirleis, Katie Connell; Bradford, Denise – American Journal of Speech-Language Pathology, 2012
Purpose: To compare young cochlear implant (CI) recipients' consonant production accuracy with that of age- and gender-matched peers who were typically developing (TD). In addition to examining initial consonants, the authors compiled new data regarding the accuracy of final consonants and the order of consonant acquisition. Methods: Eleven young…
Descriptors: Assistive Technology, Accuracy, Phonology, Language Acquisition
