Discrimination of Rippled Spectra with Different Ripple Widths in Listeners with Normal and Impaired Hearing

被引：0
作者：
D. I. Nechaev [1 ]
O. N. Milekhina [1 ]
M. S. Tomozova [1 ]
A. Ya. Supin [1 ]
机构：
[1] Institute of Problems in Ecology and Evolution, Russian Academy of Sciences, Moscow
来源：
Neuroscience and Behavioral Physiology | 2024年 / 54卷 / 7期
关键词：
hearing; hearing loss; rippled spectra; spectral discrimination; temporal analysis;
D O I：
10.1007/s11055-024-01707-6
中图分类号：
学科分类号：
摘要：
The frequency-resolving power (FRP) of hearing was estimated from the maximum discriminable density of spectral ripples in subjects aged 26–82 years with different levels of preservation/loss of hearing, i.e., from normal hearing to moderate hearing loss (World Health Organization classification). The relationship between FRP and spectral ripple width was assessed. Subjects with normal hearing displayed increases in FRP with narrowing of ripples in the signal, while this effect was minimal or absent in subjects with hearing loss. The difference in the effect of narrowing of spectral ripples between subjects with normal and reduced hearing cannot be explained by a spectral analysis model based on the concept of excitation patterns. A temporal analysis model was able to explain this difference by suggesting that in subjects with normal hearing, an increase in the autocorrelation of the input signal leads to lengthening of the autocorrelation delay that can be detected, while this effect is weakened or absent in subjects with reduced hearing © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2024.
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页码：1035 / 1041
页数：6
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