성인 및 아동의 시간압축 단어인지도
(주)학지사
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- 2015.03.25
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- 2012.06
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서지정보
ㆍ발행기관 : 한국청각언어재활학회
ㆍ수록지정보 : 청능재활 / 8권 / 1호
ㆍ저자명 : 박혜미, 장현숙
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSIONS AND CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCESㅍ
한국어 초록
시간압축어음검사(time-compressed speech test)는
단음절 및 문장을 주파수 왜곡 없이 시간 압축하여 어음정
보의 잉여성을 낮춘 조건에서 어음인지능력을 검사하는 것으
로 청각체계의 대뇌피질과 뇌간의 기능에 대한 정보를 제공
한다(Calearo & Antonelli, 1973; Karlsson & Rosenhall,
1995; Kurdziel et al., 1976). 특히 측두엽 병변이 있는경우에 민감도가 높으며 손상을 입은 병변부위의 반대쪽
귀에 제시되는 어음에 저하된 인지능력을 나타낸다
영어 초록
The purpose of this study was to identify recognition abilities of time-compressed speech in order to apply the assessment of central
auditory function. Two Korean monosyllabic word lists, the KS-list and the H-list were compressed with four ratios: 45, 55, 65, and
75%. Furthermore, the list equivalency of each list was examined with the compression ratio of 65%. The subjects of this study
included 24 adults, and 36 school-aged children, having normal hearing sensitivity. The results of this study were summarized as
follows: First, as the compression ratio increased from 45% to 75%, recognition performance decreased significantly from 88.00% to
29.67% for the KS-list and from 93.60% to 39.00% for the H-list. There were no significant recognition differences except for 75% in
the compressed ratio when comparing recognition scores between the two lists. In children, recognition performance of compressed
speech was significantly decreased from 71.47% to 30.93% in the lower grade group (mean: 8.2) and from 94.93% to 30.93% in the
higher grade group (mean: 11.7) as compression ratio increased from 45% to 75%. Within five conditions, 0, 45, 55, 65, and 75%,
there were no significant recognition differences between the two groups. Second, the four sub-lists of each word list for adults under
the 65% compression ratio revealed no significant differences in the recognition scores, thus confirming the equivalency of each word
list. This study showed that the recognition performance of children was lower than adults in all compression ratios. Therefore, the
results suggest that different compression ratios might be used for adults and children when applying the measurement of central
auditory processing. Appropriate compression ratios for adults are between 45% and 55%, and for children, it is below 45%.
참고 자료
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