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首页> 外文期刊>ORL: Journal for oto-rhino-laryngology and its borderlands >Active nonlinear mechanics of the organ of Corti including the stereocilia-tectorial membrane complex.
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Active nonlinear mechanics of the organ of Corti including the stereocilia-tectorial membrane complex.

机译：科尔蒂器官的主动非线性力学，包括立体纤毛-膜结合体。

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There is a large amount of knowledge about the different components of the organ of Corti (OC), but little is known about how these components act together in vivo. To clarify the complex mechanical behavior of the OC, anatomic results are carefully analyzed and used to develop a finite element model of a short section of OC, which includes 8 outer hair cells (OHC) and their supporting structures. The modal analysis shows the frequency-dependent phase reversal of the radial stereocilia displacement. The transient computation confirms the amplification of OC displacements when the ability of the OHC to contract and elongate is considered. The inclusion of a nonlinear function describing the mechanoelectrical transduction in OHC amplifies and distorts the displacement of the OC when it is stimulated by a sinusoidal input pressure function. These results are in agreement with other psychoacoustic, electrophysiologic and otoacoustic measurements.
机译：关于皮质醇（OC）器官的不同成分有很多知识，但对这些成分如何在体内共同起作用知之甚少。为了阐明OC的复杂机械行为，我们仔细分析了解剖结果并将其用于开发OC短截面的有限元模型，该模型包括8个外部毛细胞（OHC）及其支撑结构。模态分析显示了径向立体纤毛位移的频率相关相位反转。考虑到OHC收缩和伸长的能力，瞬态计算证实了OC位移的放大。当OHC受正弦输入压力函数激励时，在OHC中包含描述机电转换的非线性函数会放大并扭曲OC的位移。这些结果与其他心理声学，电生理和耳声学测量结果一致。

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