| 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
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Received: July 3, 2015; Revised: July 22, 2015 Accepted: August 24, 2015. Published online: October 31, 2015. |
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| ABSTRACT |
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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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