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Audiol > Volume 8(2); 2012 > Article
Audiology 2012;8(2): 158-164.
Published online: December 31, 2012.
doi: http://dx.doi.org/10.21848/audiol.2012.8.2.158
연령에 따른 순음청력역치와 어음인지역치의 변화
허영록1,3, 이정학1,2, 이경원1,2
1한림국제대학원대학교 청각학과
2한림국제대학원대학교 청각언어연구소
Effects of Age on Pure Tone Hearing Thresholds and Speech Recognition Thresholds
Young Rock Huh1,3, Junghak Lee1,2, Kyoung Won Lee1,2
1Department of Audiology, Hallym University of Graduate Studies, Seoul, Korea
2Institute of Audiology, Hallym University of Graduate Studies, Seoul, Korea
3Advanced Bionics Korea, Seoul, Korea
Correspondence  Kyoung Won Lee ,Tel: (02) 2051-4951, Fax: (02) 3453-7833, Email: leekw@hallym.ac.kr
Received: November 3, 2012; Revised: December 5, 2012   Accepted: December 11, 2012.  Published online: December 31, 2012.
Pure-tone sensitivity and speech recognition measurements in quiet are vital components in audiologic evaluation. Pure-tone hearing threshold level increases in proportion to ages and affects speech recognition threshold (SRT). The purpose of this study was to find out the relationship between changes in pure-tone threshold averages (PTAs) and SRTs as a function of ages. Sixty adults (120 ears) with normal hearing, aged 20 to 69 years, were participated. SRTs were performed by IEC 60645-2, and used with Korean Standard bisyllabic word list for adults (KS-BWL-A). As a results, there were significantly correlated PTAs and SRTs. SRT, 0.49 dB/year, increased more fast compare to PTA, 0.34 dB/year. These finding suggested to be used as reference data for determining reliability of pure-tone audiometry for the elderly.
Key Words: Pure-tone threshold average (PTA), Speech recognition threshold (SRT). Hearing threshold level, Aging effect, Audiologic evaluation
중심단어: 평균순음청력역치(PTA), 어음인지역치(SRT), 청력역치, 연령효과, 청각평가
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