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[豚鼠对动态点击模式的耳蜗反应]

[Cochlear responses to dynamic click pattern in the guinea pig].

作者信息

Novak R, Opitts G

出版信息

Zh Evol Biokhim Fiziol. 1981 Sep-Oct;17(5):461-6.

PMID:7293563
Abstract

Fast cochlear adaptation expressed as the percent of inhibition of the summed action potential, has been studied from the guinea pig cochlear responses to click trains, ramps, and steps in both directions. The transition time function of adaptation to constant click trains does not depend on the click strength, but rather on the click interval. At the background of steady state adaptation, click steps produce only transient changes of the adaptive state, opposite to step direction. Compared with constant train stimulation, adaptation is enhanced by descending click ramps, and diminished or reversed (near threshold) by ascending ramps.

摘要

以总和动作电位抑制百分比表示的快速耳蜗适应,已在豚鼠对双向点击序列、斜坡和阶跃的耳蜗反应中进行了研究。对恒定点击序列适应的过渡时间函数不取决于点击强度,而是取决于点击间隔。在稳态适应的背景下,点击阶跃仅产生与阶跃方向相反的适应状态的瞬时变化。与恒定序列刺激相比,下降的点击斜坡增强了适应,而上升斜坡则减弱或逆转了适应(接近阈值时)。

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