Evaluation of speech perception in noise in Kurd-Persian bilinguals
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background and Aim
In most everyday settings, speech is heard in the presence of competing sounds and speech perception in noise is affected by various factors, including cognitive factors. In this regard, bilingualism is a phenomenon that changes cognitive and behavioral processes as well as the nervous system. This study aimed to evaluate speech perception in noise and compare differences in Kurd-Persian bilinguals versus Persian monolinguals.
Methods
This descriptive-analytic study was performed on 92 students with normal hearing, 46 of whom were bilingual Kurd-Persian with a mean (SD) age of 22.73 (1.92) years, and 46 other Persian monolinguals with a mean (SD) age of 22.71 (2.28) years. They were examined by consonant-vowel in noise (CV in noise) test and quick speech in noise (Q-SIN) test. The obtained data were analyzed by SPSS 21.
Results
The comparison of the results showed differences in both tests between bilingual and monolingual subjects. In both groups, the reduction of signal-to-noise ratio led to lower scores, but decrease in CV in noise test in bilinguals was less than monolinguals (p < 0.001) and in the Q-SIN test, the drop in bilinguals’ score was more than monolinguals (p = 0.002).
Conclusion
Kurd-Persian bilinguals had a better performance in CV in noise test but had a worse performance in Q-SIN test than Persian monolinguals.
Language:
English
Published:
Auditory and Vestibular Research, Volume:28 Issue: 1, Winter 2019
Pages:
36 to 41
magiran.com/p1922296  
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