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相关概念视频

The Cochlea01:13

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.
Auditory Pathway01:15

Auditory Pathway

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 the...

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A Method for Systematic Electrochemical and Electrophysiological Evaluation of Neural Recording Electrodes
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在控制耳健康和语音处理策略时,周边极电极位置优于侧面壁阵列.

Amit Walia1, Matthew A Shew, Miriam Smetak

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

Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
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PubMed
概括

耳植入物电极位置在小 tympani 大幅影响语音感知. 更紧密的模块靠近和更深的插入与更好的结果相关,突出了电极放置对优化听力结果的重要性.

关键词:
角插入深度的角度插入深度耳健康 耳健康耳植入物可以使用耳植入物.电耳机学是指电耳机学.电极定位定位器 电极定位器模极近距离 模极近距离 模极近距离周边模块电极是周边模块的电极.语音感知 语音感知

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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
  • 生物医学工程 生物医学工程

背景情况:

  • 耳植入物 (CI) 接受者的语音感知受到耳内电极位置的影响.
  • 了解电极放置,耳健康和功能结果之间的关系对于改善CI性能至关重要.

研究的目的:

  • 为了评估 tympani (ST) 电极位置的变化如何影响语音感知性能.
  • 在评估电极位置效应时,控制耳健康和刺激策略.

主要方法:

  • 追溯对98名经语言失聪的成年CI接受者的队列研究.
  • 通过电脑耳道图-总响应 (ECochG-TR) 评估耳健康.
  • 使用CT扫描来确定电极模极近距离 (包装因子,WF) 和角插入深度 (AID).

主要成果:

  • ECochG-TR与语音感知 (CNC分数) 有很强的相关性.
  • 更紧密的模块靠近 (WF) 和更深的插入 (AID) 显示出与更好的CNC分数有显著的正相关性.
  • 包括ECochG-TR,WF和AID在内的多变量模型显著改善了语音感知结果的预测.

结论:

  • 在ST中的电极位置变化,影响结果.
  • 在控制其他因素时,具有更紧密的模极距离的周边极极电极在控制其他因素时优于侧面壁电极.
  • 整合电极位置和耳健康指标对于预测和优化CI性能至关重要.