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Audiol > Volume 11(4); 2015 > Article
Audiology 2015;11(4): 282-291.
Published online: October 31, 2015.
doi: http://dx.doi.org/10.21848/audiol.2015.11.4.282
노인집단에서 소음 하 상황 청-문자 통합자극이 작업기억력에 미치는 효과
최동우1, 김규상2, 방정화1
1한림국제대학원대학교 청각학과
2서울의료원 직업환경의학과
Effects of Auditory-letter Cue Integration Stimulus on Working Memory Capacity in the Elderly
Dong Woo Choi1, KyooSang Kim2, Junghwa Bahng1
1Department of Audiology, Hallym University of Graduate Studies, Korea
2Department of Occupational Environmental Medicine, Seoul Medical Center, Seoul, Korea
Correspondence  Junghwa Bahng ,Tel: (070) 8680-6933, Fax: (02) 3453-6618, Email: bahng.jh@gmail.com
Received: July 3, 2015; Revised: July 22, 2015   Accepted: August 24, 2015.  Published online: October 31, 2015.
ABSTRACT
The purpose of this study was to examine the effects of auditory-letter cue integration stimulus with and without noise environments in older adults. 25 young and 25 elderly adults with normal hearing participated. All participants completed four working memory tasks - forward digit span, backward digit span, word span and listening span were assessed at Auditory Only (AO) and Auditory Letter (AL) conditions with noise (0 dB SNR) and without noise environments. The results revealed that older adults had lower working memory capacity than young adults in all working memory tasks except digit forward span at AO condition and digit forward span, word span at AL condition without noise environment and letter-cue enhancement of older adults was higher than that of young adults. These results were interpreted that older adults had difficulty to recall speech more than young adults did, especially, under in adverse listening conditions. Also, additional sensory cue, that is letter cue, would be effective method for improvement of working memory capacity for older adults.
Key Words: Aging, Auditory cue, Auditory-letter cue, Working memory capacity
중심단어: 노화, 청각단서, 청각문자자극, 작업기억력
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