경사형 및 수평형 난청유형에 따른 단음절 인지에 관한 비교연구 |
노복임1,2, 이재희1 |
1한림국제대학원대학교 청각학과 2인제대학교 일산백병원 이비인후과 |
A comparison study of monosyllable recognition in listeners with sloping versus flat
hearing loss types |
Bok Im No1,2, Jae Hee Lee1 |
1Department of Audiology, Hallym University of Graduate Studies, Seoul, Korea 2Department of Otolaryngology, Ilsan Paik Hospital, College of Medicine, Inje University, Kyung-Gi, Korea |
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Received: May 9, 2012; Revised: June 12, 2012 Accepted: June 14, 2012. Published online: June 30, 2012. |
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ABSTRACT |
The present study examined the ability of monosyllable recognition in persons with high-frequency sloping hearing loss and flat
hearing loss. A male and a female talker recorded 95 consonant-vowel (CV) and 35 vowel-consonant (VC) syllables (a total of 130
monosyllables) and all the syllables were presented at 65 dB SPL without background noise. As results, the monosyllable
performance was compared between two listener groups or by target-talker gender, and we additionally investigated whether the
recognition errors were influenced by error type, vowel context, and consonant features (articulation place or manner). Several
findings were observed as follows. First, overall the gender of target talker did not influence listener's performance. Although the two
groups did not differ in identifying CV syllables, the listeners with flat hearing loss had more errors for the VC syllables compared to
the sloping group. Especially, individual differences of both CV and VC errors seemed to be relatively large for both groups, yet the
differences were not correlated with listener's pure tone thresholds. This suggests a difficulty predicting the monosyllable errors by
hearing loss configuration alone. Second, the most common error types were the substitution of the initial consonants in the CV
syllables and the substitution of the final consonants in the VC syllables. Third, listeners recognized the final consonants more
accurately within the /a/ vowel context compared to the other vowels whereas the performance with the /i/ and /e/ vowel contexts was
relatively lower. Finally, both listener groups exhibited the lowest scores for stop consonants in the manner analysis, and the lowest
scores for alveolar consonants in the place analysis. |
Key Words:
Error pattern of monosyllabic words, Hearing loss configuration. |
중심단어:
단음절 인지 오류패턴. 난청유형. |
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