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  • Title: [The relation between cochlear distortion products and frequency tuning characteristics revealed by laser interferometery].
    Author: Zhang YP, Huang G, Long XM, Yan BY, Long ZC.
    Journal: Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2017 Sep 20; 31(18):1423-1426. PubMed ID: 29797998.
    Abstract:
    Objective:To explore the relation between distortion products and frequency tuning charateristics in cochlear basilar membrane.Method:Time variances curves of distortion products and frequency tuning curves of basilar membrane response were measured by laser interferometery in situ guinea pig cochlea.Result:Response sensitivity and tuning sharpness of basilar membrane response decreased with distortion product amplitude and become most low and flat when distortion products disappeared.Conclusion:Distortion products in cochlea are related with hearing sensitivity and frequency tuning. They are indicator whether function of cochlear hearing sensitivity enhancing and frequency tuning sharpening is still at work.
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