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＜学術雑誌論文＞
Correlations between word intelligibility under reverberation and speech auditory brainstem responses in elderly listeners
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| 概要 | Objective To investigate the relationship between speech auditory brainstem responses (speech ABRs) and word intelligibility under reverberation in elderly adults. Methods Word intelligibility for words ...under four reverberation times (RTs) of 0, 0.5, 1.0, 1.5 s, and speech ABRs to the speech syllable/da/ were obtained from 30 elderly listeners. Root mean square (RMS) amplitudes and discrete Fourier transform (DFT) amplitudes were calculated for ADD and SUB responses in the speech ABRs. Results No significant correlations were found between the word intelligibility scores under reverberation and the ADD response components. However, in the SUB responses we found that the DFT amplitudes associated with H_<4-SUB>, H_5<-SUB>, H_<8-SUB>, H_<9-SUB> and H_<10-SUB> significantly correlated with the word intelligibility scores for words under reverberation. With Bonferroni correction, the DFT amplitudes for H5-SUB and the intelligibility scores for words with the RT of 0.5 s and 1.5 s were significant. Conclusions Word intelligibility under reverberation in elderly listeners is related to their ability to encode the temporal fine structure of speech.続きを見る |
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| 登録日 | 2024.04.24 |
| 更新日 | 2024.12.02 |