电压依赖性元件参与了豚鼠蜗管中测量到的耳蜗微音器电位的产生以及声音诱发的电阻变化。

Voltage-dependent elements are involved in the generation of the cochlear microphonic and the sound-induced resistance changes measured in scala media of the guinea pig.

作者信息

Mountain D C, Hubbard A E, Geisler C D

出版信息

Hear Res. 1980 Oct;3(3):215-29. doi: 10.1016/0378-5955(80)90048-9.

DOI:10.1016/0378-5955(80)90048-9

Abstract

The injection of d.c. current into scale media alters both the cochlear microphonic (CM) and the acoustically synchronized changing resistance (CR) measured in scala media. Positive current increases the CM and decreases the CR. The effect on the CM is greatest at high sound pressure level (SPL), whereas the effect on CR is greatest at low SPL. Negative current has a similar but opposite effect on both the CM and the CR. The results suggest that a voltage-dependent nonlinear element exists in cochlear hair cells.

摘要

向鼓阶介质中注入直流电会改变鼓阶中测量到的耳蜗微音器电位（CM）和听觉同步变化电阻（CR）。正向电流会增加CM并降低CR。对CM的影响在高声压级（SPL）时最大，而对CR的影响在低声压级时最大。负向电流对CM和CR都有类似但相反的影响。结果表明耳蜗毛细胞中存在一个电压依赖性非线性元件。

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