The effect of core vocabulary therapy on speech outcomes for a child with an auditory brainstem implant : a pilot study

dc.contributor.advisorSundarrajan, Madhu
dc.contributor.advisorCampbell, Julia (Julia Dee)
dc.creatorBaker, Caitlin Wallace
dc.date.accessioned2017-07-14T19:11:21Z
dc.date.available2017-07-14T19:11:21Z
dc.date.issued2017-05
dc.date.submittedMay 2017
dc.date.updated2017-07-14T19:11:21Z
dc.description.abstractCore Vocabulary Therapy (CVT) is a well-studied language-based treatment for speech sound disorders originally designed for hearing children with highly unintelligible speech (Dodd, Holm, Crosbie & McIntosh, 2010). CVT seeks to help children create consistent productions of high-frequency, functional words and to generalize these consistent productions to spontaneous speech. Recently Herman and colleagues examined the efficacy of this treatment approach with pediatric cochlear implant (CI) users, and demonstrated that CVT can enhance consistency of speech production and speech intelligibility of children with severe to profound hearing loss who were fit with a CI (Herman, Thomas, Oyebade, Bennett, & Dodd, 2015). The efficacy of CVT with CI users warrants an exploration of this treatment approach for children with auditory brainstem implants (ABIs). With this in mind, we examined the impact of a CVT treatment approach on speech sound acquisition and word production for a pediatric ABI user. Specifically, this study aimed to determine whether CVT would lead to an increase in elicited vocalizations and spontaneous vocalizations. Secondly, the effects of CVT on phonemic inventory size, syllable shape inventory size, and overall use of syllable shapes were explored. CVT was administered twice a week for five weeks using vocabulary chosen based on relevance to the participant and developmentally appropriate sound and syllable shapes. Pre-and post-speech characteristics were compared following the completion of treatment. Post-test characteristics showed an increase in both elicited and spontaneous vocalizations. Elicited vocalizations demonstrated greater linear growth than spontaneous vocalizations. Post-test data also demonstrated an increase in phonemic inventory size, as the participant added one phoneme to her inventory and demonstrated emergence of two other phonemes. Syllable shape inventory also increased, as the participant acquired two syllable shapes. Finally, overall syllable shape use increased, and the participant demonstrated use of simultaneous voicing while producing the oral posture of syllable shapes. In summary, results from this study demonstrate that CVT may lead to positive changes in speech sound acquisition and development. Based on these results, CVT merits further research as an effective approach for children with ABIs.
dc.description.departmentCommunication Sciences and Disorders
dc.format.mimetypeapplication/pdf
dc.identifierdoi:10.15781/T2SQ8QZ54
dc.identifier.urihttp://hdl.handle.net/2152/60437
dc.language.isoen
dc.subjectAuditory brainstem implant
dc.subjectCore vocabulary
dc.subjectSpeech outcomes
dc.subjectCore vocabulary therapy
dc.subjectChildren with auditory brainstem implant
dc.titleThe effect of core vocabulary therapy on speech outcomes for a child with an auditory brainstem implant : a pilot study
dc.typeThesis
dc.type.materialtext
thesis.degree.departmentCommunication Sciences and Disorders
thesis.degree.disciplineCommunication Sciences & Disorders
thesis.degree.grantorThe University of Texas at Austin
thesis.degree.levelMasters
thesis.degree.nameMaster of Arts

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