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Perception and production of speech ...

Peng, Shu-Chen.

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Perception and production of speech intonation in pediatric cochlear implant recipients and children with normal hearing.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Perception and production of speech intonation in pediatric cochlear implant recipients and children with normal hearing./
作者:	Peng, Shu-Chen.
面頁冊數:	198 p.
附註:	Advisers: J. Bruce Tomblin; Christopher W. Turner.
Contained By:	Dissertation Abstracts International67-01B.
標題:	Health Sciences, Audiology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3202959
ISBN:	9780542512773

Perception and production of speech intonation in pediatric cochlear implant recipients and children with normal hearing.
Peng, Shu-Chen.

Perception and production of speech intonation in pediatric cochlear implant recipients and children with normal hearing. - 198 p.

Advisers: J. Bruce Tomblin; Christopher W. Turner.

Thesis (Ph.D.)--The University of Iowa, 2005.

Cochlear implants (CIs) are quite successful in facilitating the spoken language development in prelingually deafened children. However, these devices are limited in encoding voice pitch information that is important for the recognition of prosodic properties of speech such as intonation and lexical tones. This limitation may have its greatest impact on the acquisition of prosodic components of speech in children who must develop spoken language via a CI. This dissertation project investigated the extent to which CI devices can facilitate the development of perception and production of speech intonation in prelingually deafened individuals. In Study 1, the use of rising intonation was examined retrospectively in pediatric CI recipients. It was found that the use of adequate rising intonation in the CI users improved with increasing device experience. This improvement, however, was limited and little progress was noted beyond seven years of device experience. The perception and production of speech intonation in pediatric CI recipients and in individuals with normal hearing (NH) (ranging from 6-20 years of age) were evaluated in Studies 2 and 3. In Study 2, declarative and interrogative utterances were elicited from each participant. These utterances were acoustically analyzed and perceptually judged by adult listeners. In Study 3, each participant judged the utterances (matched for phonemic structures) produced by multiple speakers to be declarative or interrogative in a two-alternative forced-choice task. The results of Studies 2 and 3 indicated that unlike their NH peers, the CI users did not show mastery of the perception or production of speech intonation. In addition, some of the acoustic properties of the questions and statements produced by the CI recipients shared similar patterns with those of the utterances produced by the NH individuals. However, the CI utterances were longer in duration and reduced in the magnitude of voice pitch variation than the NH utterances. The performance of CI and NH individuals in the perception task was positively correlated with their performance in the production task. These findings may help improve our understanding of the acquisition of speech intonation in pediatric CI recipients from both clinical and theoretical perspectives.

ISBN: 9780542512773Subjects--Topical Terms:

1018138
Health Sciences, Audiology.

Perception and production of speech intonation in pediatric cochlear implant recipients and children with normal hearing.
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