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The Cochlea

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

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相关实验视频

Updated: May 11, 2025

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

脉冲定时控制着双耳听力,而耳植入器则控制着双耳听力.

Jan W H Schnupp^1,2,3, Sarah Buchholz⁴, Alexa N Buck¹

¹Department of Neuroscience, City University of Hong Kong, Hong Kong, Hong Kong, Special Administrative Region of China.

Proceedings of the National Academy of Sciences of the United States of America

|April 17, 2025

概括

此摘要是机器生成的。

耳植入物 (CI) 无法传递空间听觉的关键时间线索. 这项研究表明,耳聋的听觉通路对脉冲定时敏感,而不是包裹ITD,这表明当前的CI策略阻碍了技能发展.

关键词:

耳植入物可以进行耳植入.在信封封面上间隔的时间差异.脉冲计时器脉冲计时器

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Performing Intracochlear Electrocochleography During Cochlear Implantation

Performing Intracochlear Electrocochleography During Cochlear Implantation

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Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

相关实验视频

Last Updated: May 11, 2025

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

Performing Intracochlear Electrocochleography During Cochlear Implantation

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Cochlear Implant Surgery and Electrically-evoked Auditory Brainstem Response Recordings in C57BL/6 Mice

Published on: January 9, 2019

科学领域:

神经科学是一个神经科学.
听觉神经科学听觉神经科学
生物医学工程生物医学工程

背景情况:

耳植入物 (CIs) 提供有价值的听觉信息,但与精细的时间线索作斗争,影响空间听觉和听觉场景分析,特别是对于早期聋人个体.
对于处理时间声音特征的CI限制的确切原因仍在争论中,目前的刺激策略可能会不充分编码时间信息.

研究的目的:

调查临床CI刺激策略是否不充分编码时间特征,阻碍早期聋人个体中间隔时间差 (ITD) 敏感性的发展.
为了比较听觉通路对通过脉冲计时呈现的ITD的灵敏度与脉冲列车包裹.

主要方法:

使用双边CI植入的成年大鼠,以前在生命早期失聪.
通过精确的脉冲计时和通过电脉冲列车的包裹来评估聋哺乳动物听觉通路对ITDs的敏感性.

主要成果:

早期变聋的哺乳动物听觉通路表现出对脉冲计时ITD的先天灵敏度高达80微秒.
与脉冲定时ITD相比,对脉冲列车包裹中编码的ITD的敏感性明显较低.

结论:

目前的临床CI刺激策略可能无法有效利用听觉通路对精确脉冲定时的天生的灵敏度.
这种不匹配可能会阻止早期聋人CI用户发展至关重要的千分之一秒以下时间处理技能,这对于高级的听觉感知是必要的.