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KMID : 1036820130180030318
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Communication Sciences & Disorders
2013 Volume.18 No. 3 p.318 ~ p.329
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The Influential Factors upon Speech Intelligibility of Adolescents with Cochlear Implants
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Kang Ji-Song
Ha Seung-Hee
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Abstract
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Objectives: This study aimed to investigate whether and to what extent of age for cochlear implantation, the onset of hearing and language rehabilitation, aided hearing level, sentence recognition scores, and language and articulation abilities influence speech intelligibility of adolescents with cochlear implants.
Methods: Twenty middle and high school students who received cochlear implants more than 1 year ago participated in the study as speakers. Twenty-one speech-language pathologists who have clinical experiences with individuals with haring losses were involved as listeners. Information for timing of cochlear implants, onset of hearing and language rehabilitation, aided hearing level, and sentence recognition scores of the speaker group were obtained. Additionally, the language and articulation abilities of the adolescents with hearing losses were evaluated. For speech intelligibility scores, speakers were asked to read 9 sentences and listeners performed orthographic transcriptions on the recorded reading materials. The speakers were divided into two groups based on percentage on correct scores of intelligibility: the high and low speech intelligibility groups. The t-tests were performed to determine whether there were significant differences on the six variables between the two groups. Correlation analysis was also conducted between speech intelligibility and the variables.
Results: The study results revealed that the articulation ability and sentence recognition scores were significantly different between the high and low speech intelligibility groups. Also, the speech intelligibility and three variables of articulation ability, sentence recognition scores, and language ability were significantly correlated.
Conclusion: This study suggested that articulation, language, and sentence recognition competencies were considered to impove speech intelligibility for adolescents with cochlear implants.
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KEYWORD
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Speech intelligibility, Cochlear implants, Adolescents
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