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Audiology

Cochlear implants with fine structure processing improve speech and tone perception in Mandarin-speaking adults

, , , , , , , , & show all
Pages 733-738 | Received 25 Nov 2012, Accepted 31 Jan 2013, Published online: 14 Jun 2013
 

Abstract

Conclusion: This study indicates that Mandarin-speaking subjects acquire significant benefit from a cochlear implant (CI) and audio processor with the fine structure processing (FSP) coding strategy. It can take adult Mandarin CI users time to become accustomed to their CI and appreciate the benefits. Objectives: This study aimed to determine speech perception outcomes in Mandarin-speaking adults who received the FSP coding strategy. Methods: This was a prospective study. Ten adults who were implanted unilaterally with a PULSARCI100, and received an OPUS 1 or OPUS 2 speech processor, were included in this study. The mean age at implantation was 31.1 years. We determined the benefit to postlingually deafened Mandarin-speaking adults with a severe to profound hearing loss using the tests: monosyllables in quiet, sentences in quiet and the Mandarin Hearing in Noise Test (MHINT). Tone perception was evaluated using a tone perception test. A visual analog scale (VAS) was used to score sound quality and ease of listening. Results: The results showed a significant improvement between first fitting and 6 months in all speech tests and in tone perception. The VAS scores showed a significant improvement over 6 months in sound quality and an immediate benefit in ease of listening.

Acknowledgments

The authors would like to gratefully acknowledge Edda Amann from MED-EL GmbH for the statistical analyses, and Florian Schwarze and Una Doyle for writing assistance on a version of this manuscript. This work was funded in part by the Promotion Grant for High-level Scientific and Technological Elites in Medical Science from the Beijing Municipal Health Bureau (no. 2009-3-29, no. 2011-3-042), the capital health research and development of special (no. 2011-1017-01), key projects in basic and clinical research cooperation funds from Capital Medical University (no. 12JL12), and the National Natural Science Foundation of China (no. 81070796).

Declaration of interest : The authors report no conflicts of interest. The authors alone are responsible for the content and writing of the paper.

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