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경사형 및 수평형 난청유형에 따른 단음절 인지에 관한 비교연구
노복임,이재희 한국청각언어재활학회 2012 Audiology and Speech Research Vol.8 No.1
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.
노복임(No Bok-Im),허승덕(Heo Seung-Deok) 대한치료과학회 2015 대한치료과학회지 Vol.7 No.2
Objective: This study is to analyze phonemic errors for meaningless non-sense monosyllable words before and after using hearing aids by investigating types of errors, manner and places of articulation, and relationships between preceding vowels and vowels following consonants. Method: All subjects were 10 with 17 ears with sensorineural hearing loss, whose ages ranged from 61 to 80 years. Non-sense monosyllable words that contain CV (consonant+vowel) or VC (vowel+consonant) structure were used for the tests. Forty CV structure words and twenty VC structure words were used; The CV structure words are combina tions of 10 consonants (/ㄱ/, /ㄴ/, /ㄷ/, /ㄹ/, /ㅁ/, /ㅂ/, /ㅅ/, /ㅇ/, /ㅈ/, /ㅎ/, which are frequently used for initial consonant or final consonant) and 4 short vowels. (/아/, /이/, /에/, /어/) The VC structure words are combinations of 5 consonants (/ㄱ/, /ㄴ/, /ㄹ/, /ㅁ/, /ㅇ/ ,which are frequently used for final consonant) and 4 short vowels (/아/, /이/,/에/, /어/). Results: the effect of using initial hearing aid of the senile deaf and hard of hearing whose prognosis was good has appeared limitedly within 4 weeks or earlier, and SDS is improved by starting to re-correct the initial consonants error. Conclusion: In the phoneme error, re-correction of plosive error stands out with a devel opmental pattern of articulation, and the phoneme error is influenced by the vowel contexts.