Melodic Contour Training and Its Effect on Speech in Noise, Consonant Discrimination, and Prosody Perception for Cochlear Implant Recipients
Identifieur interne : 000173 ( Main/Exploration ); précédent : 000172; suivant : 000174Melodic Contour Training and Its Effect on Speech in Noise, Consonant Discrimination, and Prosody Perception for Cochlear Implant Recipients
Auteurs : Chi Yhun Lo [Australie] ; Catherine M. Mcmahon [Australie] ; Valerie Looi [Australie] ; William F. Thompson [Australie]Source :
- Behavioural Neurology [ 0953-4180 ] ; 2015.
Abstract
Cochlear implant (CI) recipients generally have good perception of speech in quiet environments but difficulty perceiving speech in noisy conditions, reduced sensitivity to speech prosody, and difficulty appreciating music. Auditory training has been proposed as a method of improving speech perception for CI recipients, and recent efforts have focussed on the potential benefits of music-based training. This study evaluated two melodic contour training programs and their relative efficacy as measured on a number of speech perception tasks. These melodic contours were simple 5-note sequences formed into 9 contour patterns, such as “rising” or “rising-falling.” One training program controlled difficulty by manipulating interval sizes, the other by note durations. Sixteen adult CI recipients (aged 26–86 years) and twelve normal hearing (NH) adult listeners (aged 21–42 years) were tested on a speech perception battery at baseline and then after 6 weeks of melodic contour training. Results indicated that there were some benefits for speech perception tasks for CI recipients after melodic contour training. Specifically, consonant perception in quiet and question/statement prosody was improved. In comparison, NH listeners performed at ceiling for these tasks. There was no significant difference between the posttraining results for either training program, suggesting that both conferred benefits for training CI recipients to better perceive speech.
Url:
DOI: 10.1155/2015/352869
PubMed: 26494944
PubMed Central: 4606449
Affiliations:
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Auditory training has been proposed as a method of improving speech perception for CI recipients, and recent efforts have focussed on the potential benefits of music-based training. This study evaluated two melodic contour training programs and their relative efficacy as measured on a number of speech perception tasks. These melodic contours were simple 5-note sequences formed into 9 contour patterns, such as “rising” or “rising-falling.” One training program controlled difficulty by manipulating interval sizes, the other by note durations. Sixteen adult CI recipients (aged 26–86 years) and twelve normal hearing (NH) adult listeners (aged 21–42 years) were tested on a speech perception battery at baseline and then after 6 weeks of melodic contour training. Results indicated that there were some benefits for speech perception tasks for CI recipients after melodic contour training. Specifically, consonant perception in quiet and question/statement prosody was improved. In comparison, NH listeners performed at ceiling for these tasks. There was no significant difference between the posttraining results for either training program, suggesting that both conferred benefits for training CI recipients to better perceive speech.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Stickney, G S" uniqKey="Stickney G">G. S. Stickney</name></author><author><name sortKey="Zeng, F G" uniqKey="Zeng F">F.-G. Zeng</name></author><author><name sortKey="Litovsky, R" uniqKey="Litovsky R">R. Litovsky</name></author><author><name sortKey="Assmann, P" uniqKey="Assmann P">P. Assmann</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Marx, M" uniqKey="Marx M">M. Marx</name></author><author><name sortKey="James, C" uniqKey="James C">C. James</name></author><author><name sortKey="Foxton, J" uniqKey="Foxton J">J. 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Cheung</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Australie</li></country></list><tree><country name="Australie"><noRegion><name sortKey="Lo, Chi Yhun" sort="Lo, Chi Yhun" uniqKey="Lo C" first="Chi Yhun" last="Lo">Chi Yhun Lo</name></noRegion><name sortKey="Lo, Chi Yhun" sort="Lo, Chi Yhun" uniqKey="Lo C" first="Chi Yhun" last="Lo">Chi Yhun Lo</name><name sortKey="Looi, Valerie" sort="Looi, Valerie" uniqKey="Looi V" first="Valerie" last="Looi">Valerie Looi</name><name sortKey="Mcmahon, Catherine M" sort="Mcmahon, Catherine M" uniqKey="Mcmahon C" first="Catherine M." last="Mcmahon">Catherine M. Mcmahon</name><name sortKey="Mcmahon, Catherine M" sort="Mcmahon, Catherine M" uniqKey="Mcmahon C" first="Catherine M." last="Mcmahon">Catherine M. Mcmahon</name><name sortKey="Mcmahon, Catherine M" sort="Mcmahon, Catherine M" uniqKey="Mcmahon C" first="Catherine M." last="Mcmahon">Catherine M. Mcmahon</name><name sortKey="Thompson, William F" sort="Thompson, William F" uniqKey="Thompson W" first="William F." last="Thompson">William F. Thompson</name><name sortKey="Thompson, William F" sort="Thompson, William F" uniqKey="Thompson W" first="William F." last="Thompson">William F. Thompson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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