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相关概念视频

Auditory Perception01:17

Auditory Perception

579
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
579
Auditory Pathway01:15

Auditory Pathway

5.8K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
5.8K
Hearing01:31

Hearing

53.0K
When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
53.0K

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相关实验视频

Updated: Sep 8, 2025

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

471

一个多通道集成的听觉功能测试系统

Shijie Xiao1, Yihang Zheng2, Guanting Lin3

  • 1Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.

Neuroscience
|September 5, 2025
PubMed
概括
此摘要是机器生成的。

我们开发了一种新的听觉脑干响应 (ABR) 系统, 这种高通量系统提高了听力功能评估的效率并扩展了听力损失研究.

关键词:
听觉脑干反应听力功能测试耳麦克风变形产品的音响发射

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Last Updated: Sep 8, 2025

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科学领域:

  • 神经科学
  • 听觉神经科学
  • 听力研究

背景情况:

  • 听觉脑干反应 (ABR) 对于评估人类和动物模型的听觉功能至关重要.
  • 关键的ABR特征 (值,波幅/延迟) 有助于诊断和理解听力损失机制.
  • 越来越多的基因工程小鼠模型需要高通量ABR测试.

研究的目的:

  • 开发一种高通量ABR系统,以有效地对小鼠进行听觉表型识别.
  • 克服现有的单个动物,低采样率系统的局限性.
  • 能够进行先进的听觉测量,包括高频DPOAE和CM.

主要方法:

  • 开发了一个四通道的ABR系统,用于同时测试四个受试者.
  • 集成一个定制的声室,用于小鼠听觉频率>50dB的噪声减弱.
  • 用于高频记录 (>32 kHz) 的增强声学和电气性能.

主要成果:

  • 新系统复制了TDT测量的ABR值,波I延迟和振幅.
  • 与现有系统相比,测试吞吐量增加了三倍.
  • 启用高频扭曲产品的音响发射 (DPOAE) 和耳麦克风 (CM) 记录.

结论:

  • 开发的ABR系统满足了大量听觉研究的需求.
  • 提供卓越的效率和扩展功能评估能力.
  • 在下一代研究中提供可扩展,高保真的听觉表型平台.