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Audiol > Volume 8(2); 2012 > Article
Audiology 2012;8(2): 177-182.
Published online: December 31, 2012.
doi: http://dx.doi.org/10.21848/audiol.2012.8.2.177
정상 아동과 성인의 불쾌역치와 등골근반사역치의 비교
홍하나1, 조수진2, 홍빛나2
1경희대학교 생명과학대학 한방재료가공학과
2남부대학교 언어치료청각학과
Comparison of the Uncomfortable Loudness Level with the Acoustic Reflex Threshold in Normal Children and Adults
Ha Na Hong1, Soojin Cho2, Bin Na Hong2
1Department of Oriental Medical Materials Processing, College of Life Sciences, Kyung Hee University, Kyunggi, Korea
2Department of Speech-Language Pathology & Audiology, Nambu University, Gwangju, Korea
Correspondence  Bin Na Hong ,Tel: (062) 970-0213, Fax: (0303) 0300-0030, Email: habina2@gmail.com
Received: November 8, 2012; Revised: December 3, 2012   Accepted: December 6, 2012.  Published online: December 31, 2012.
ABSTRACT
It has been well known that the selection of maximum power output in hearing aids fitting is important. In general, it was determined through the uncomfortable loudness level (UCL) test. The purpose of this study was to measure and compare the UCL and acoustic reflex threshold (ART) in young normal children and adults for early intervention and aural rehabilitation, including hearing aids fitting for hearing-impaired children. Pure tone hearing threshold, UCL and ART were measured in 40 ears of children and adults with normal hearing respectively. In results, UCL was higher than ART by 8.9 dB in children and was similar to ART in adults. And UCL, dynamic range (DR) and ART of children was higher than that of adults by 12.0 dB and 3.6 dB. In conclusion, we would suggest to monitor environmental noises properly and thoroughly for children's hearing based on the our results.
Key Words: Acoustic reflex threshold (ART), Children, Dynamic Range (DR), Uncomfortable loudness level (UCL).
중심단어: 등골근반사역치, 불쾌역치, 역동범위, 아동.
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