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相关概念视频

The Cochlea01:13

The Cochlea

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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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Bode Plots Construction01:24

Bode Plots Construction

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The Bode plot is an essential tool in control system analysis, mapping the frequency response of a system through a magnitude plot and a phase plot, both against a logarithmic frequency axis. To construct a Bode plot, consider the transfer function H(ω):
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相关实验视频

Updated: Jul 12, 2025

Performing Intracochlear Electrocochleography During Cochlear Implantation
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改进了使用基于音位的电耳机学评估的耳植入器性能估计.

Amit Walia1, Matthew A Shew1, Jordan Varghese1

  • 1Department of Otolaryngology-Head and Neck Surgery, Washington University School of Medicine in St Louis, St Louis, Missouri.

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概括

在最佳频率电极 (BF-ECochG-TR) 上的电脑耳道全响应 (ECochG-TR) 比圆窗 (RW-ECochG-TR) 更好地预测耳植入物语音感知. 认知能力也影响在噪音中的表现.

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科学领域:

  • 听力学 听力学是指听力学.
  • 神经外科 神经外科
  • 耳鼻喉科 耳鼻喉科 耳鼻喉科

背景情况:

  • 耳植入为语后聋提供了显著的好处,但听觉结果各不相同.
  • 电心电图 (ECochG) 是一种用于评估耳神经基质和预测患者预后的工具.

研究的目的:

  • 要确定在最佳频率电极 (BF-ECochG-TR) 上的ECochG总响应 (ECochG-TR) 与在圆窗 (RW-ECochG-TR) 上测量的ECochG-TR相比,与语音知觉的相关性更强.

主要方法:

  • 一项对109名接受耳植入术的语言后成年人进行横截面研究.
  • 在6个月时,使用CNC单词和AzBio句子 (安静和噪音) 评估语音感知.
  • BF-ECochG-TR和RW-ECochG-TR在多个频率上进行测量.

主要成果:

  • 与RW-ECochG-TR (r=0.67) 相比,BF-ECochG-TR与CNC得分的相关性更强 (r=0.74),而不是RW-ECochG-TR.
  • 在噪音方面,BF-ECochG-TR同AzBio相关 (r=0.42).
  • 认知评估 (MoCA) 和BF-ECochG-TR一起解释了AzBio在噪音中的分数变化的50%.

结论:

  • 与RW-ECochG-TR相比,BF-ECochG-TR是对耳植入物语感知的一个更强的预测器.
  • 这两种ECochG测量都强调了耳神经基质的重要性.
  • 在噪音中的语音感知依赖于耳神经基质和认知功能.