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Audiol > Volume 2(1); 2006 > Article
Audiology 2006;2(1): 40-47.
Published online: June 30, 2006.
doi: http://dx.doi.org/10.21848/audiol.2006.2.1.40
인공와우와 보청기의 착용 역치가 아동의 낱말 변별력에 미치는 영향
홍빛나1, 김진숙2, 양한석3, 송정환4
1남부대학교 언어치료청각학과
2한림대학교 자연과학대학 언어청각학부
3한림대학교 보건대학원 재활학과
4서울삼성학교
Word Discrimination Abilities for Children Who Use Hearing Aids and Cochlear Implants
Bin-Na Hong1, Jin-Sook Kim2, Han-Suk Yang3, Jung-Hwan Song4
1Department of Speech Pathology & Audiology, Nambu University, Gwangju, Korea
2Department of Speech Pathology & Audiology, College of Natural Sciences, Hallym University, Chuncheon, Korea
3Department of Audiology, School of Public Health, Hallym University, Chuncheon, Korea
4Seoul Samsung School, Seoul, Korea
Correspondence  Bin-Na Hong ,Tel: (062) 970-0213, Fax: (062) 970-0213, Email: habina2@hanmail.net
Received: May 3, 2006;  Accepted: June 14, 2006.  Published online: June 30, 2006.
ABSTRACT
Objective:The purpose of this study was to document word discrimination abilities by aided thresholds in children who use a cochlear implant in one ear and a hearing aid in the other ear. Method:Twenty-one children participated in this study. All children used a cochlear implant and a hearing aid which was fitted using the NAL-NL1 prescription. Performance in word discrimination was assessed under four noise conditions (N/O, N/F, N/CI, N/HA) and three aided conditions (CI, HA, CI/HA). Results:The group of CI aided threshold below 30 dBHL is higher than other groups of CI aided threshold over 30 dBHL in word discrimination scores under monaural conditions with CI. The group of HA aided threshold below 50 dBHL is higher than other groups of CI aided threshold over 50 dBHL in word discrimination scores under monaural conditions with HA. The group of the highest word discrimination scores is CI aided threshold below 30 dBHL and HA aided threshold 41-50 dBHL under binaural conditions with CIHA and four noise conditions. Pearson correlation is higher HA adied threshold than CI aided threshold. Conclusion:We have shown that the group of CI aided threshold below 30 dBHL and the group of HA aided threshold 41-50 dBHL are higher than other groups in word discrimination scores under four noise conditions (N/O, N/F, N/CI, N/HA) and three aided conditions (CI, HA, CI/HA). Therefore, it is recommended that bimodal stimulation with CI and HA should be fitted by aided thresholds for clinical management of children and adults who wear unilateral cochlear implants.
Key Words: Word discrimination·Aided threshold·Cochlear implant·Hearing aid.
중심단어: 낱말 변별력· 착용 역치· 인공와우· 보청기.
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