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Audiol > Volume 4(1); 2008 > Article
Audiology 2008;4(1): 11-15.
Published online: June 30, 2008.
doi: http://doi.org/10.21848/audiol.2008.4.1.11
노화가 주파수 패턴 인지에 미치는 영향
장현숙1, 이지연1, 유수연1,2
1한림대학교 자연과학대학 언어청각학부, 청각언어연구소
2경희대학교 동서신의학병원 이비인후과학교실
Aging Effects on Frequency Pattern Recognition
Hyunsook Jang1, Jeeyeon Lee1, Sooyeon Yoo1,2
1Division of Speech Pathology and Audiology, College of Natural Science, Hallym University, Chuncheon, Korea
2Department of ORL-HNS, College of Medicine, Kyunghee University, Seoul, Korea
Correspondence  Hyunsook Jang ,Tel: (033) 248-2218, Fax: (033) 542-5207, Email: hsjang@hallym.ac.kr
Received: November 19, 2007;  Accepted: December 27, 2007.  Published online: June 30, 2008.
The purpose of present study was to investigate aging effects on frequency pattern recognition in a population in Korean by using pitch pattern tests. Frequency pattern test has been used to measure central auditory function that is sensitive to lesions in either hemisphere or interhemisphere. A wealth of experimental evidence suggests that frequency pattern recognition degrades with aging, and that performance deficits are more severe in verbal than in humming modes of responses (Bellis & Wilber, 2001). Frequency pattern test consists of 60 patterns of three-tone burst in varying patterns of high- (1,122 Hz) and low- (880 Hz) frequency. Thirty items were presented to each ear, with the listener humming or verbally labeling the patterns. Twenty subjects were between the age of 20-29 years and 10 subjects were between the ages of 60-70 years all with normal hearing sensitivities. For both the humming and labeling conditions, mean scores of elderly subjects were significantly lower than those of young subjects. The average scores of young subjects were 99.49% for the right and 99.67% for the left for humming. Scores for labeling were 93.99% for the right and 93.99% for the left. Elderly subjects scores were 79.67% for the right and 80.66% for the left ear for humming. The scores for labeling were 47.33% for the right and 44.66% for the left. The results for the population in Korea identified a pattern that shows that the pattern recognition abilities are degraded by aging. Performance for linguistic labeling is affected more by aging than humming.
Key Words: Frequency pattern test. Central auditory processing disorders. Aging. Elderly subjects.
중심단어: 주파수 선별 검사. 중추청각 처리장애. 노년층.
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