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1
Speech perception results for children with implants with different levels of preoperative residual hearing
Abstract: This is a publisher’s version of an article published in American Journal of Otology 1997. This version is reproduced with permission of Lippincott Wilkins & Williams. ; Objective: Many reports have established that hearing-impaired children using the Nucleus 22 channel cochlear implant may show both significant benefits to lipreading and significant scores on open-set words and sentences using electrical stimulation only. These findings have raised questions about whether severely or severely-to-profoundly deaf children should be candidates for cochlear implants. To study this question, postoperative results for implanted children with different levels of preoperative residual hearing were evaluated in terms of speech perception benefits. Study Design/Setting: A retrospective study of the first 117 children, sequentially, to undergo implantation in the Melbourne and Sydney Cochlear Implant Clinics was undertaken. All children had been assessed by and received their implants in a tertiary referral centre. Main Outcome Measures: To assess aided residual hearing, the children were grouped into four categories of hearing on the basis of their aided residual hearing thresholds measured preoperatively. To assess benefits, the scores of children on standard speech perception tests were reviewed. As different tests were used for children with different ages and language skills, children were grouped into categories according to the level of postoperative speech perception benefit. Results: The results showed that children in the higher categories of aided preoperative residual hearing showed significant scores on open-set word and sentence perception tests using the implant alone. For children in lower categories of aided residual hearing, results were variable within the groups. More than 90% of children with implants with aided residual hearing thresholds in the speech range above I kHz achieved open-set understanding of words and sentences. Conclusion: While the results of this preliminary study confirm previous findings of differential outcomes for children with different levels of preoperative residual hearing, they suggest that children with severe to profound hearing impairments should be considered for cochlear implantation.
Keyword: cochlear implants; residual hearing; speech perception
URL: http://hdl.handle.net/11343/27553
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2
Contributing factors to improved speech perception in children using the nucleus 22-channel cochlear prosthesis
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3
Articulation accuracy of children using an electrotactile speech processor
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4
Design fundamentals for electrotactile devices: the Tickle Talker case study
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5
Speech perception benefits for children using an advanced cochlear implant speech processing strategy in quiet and in noise [Abstract]
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6
Habilitation issues in the management of children using the cochlear multiple-channel cochlear prosthesis
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7
Use of a multichannel electrotactile speech processor by profoundly hearing-impaired children in a total communication environment
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8
Perception of multiple electrode stimulus patterns: implications for design of an electrotactile speech processor
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9
Speech processing strategies in an electrotactile aid for hearing-impaired adults and children
Cowan, Robert S. C.; Blamey, Peter J.; Sarant, Julia Z.. - : Australian Speech Science and Technology Association, 1990
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10
The Tickle Talker: a speech perception aid for profoundly hearing impaired children [Abstract]
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11
Perception of sentences, words, and speech features by profoundly hearing-impaired children using a multichannel electrotactile speech processor
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