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相关概念视频

Echo01:06

Echo

859
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
859
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

8.0K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
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相关实验视频

Updated: Jan 10, 2026

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

734

值距离函数可以预测用耳植入物进行语音识别.

E Kludt1, S Ewald2, N Prenzler2

  • 1Clinics of Otolaryngology, Head and Neck Surgery, Hannover Medical School, Hannover, Germany. kludt.eugen@mh-hannover.de.

Scientific reports
|November 29, 2025
PubMed
概括
此摘要是机器生成的。

耳植入物电极距离模块显著影响电气唤起的复合作用电位 (eCAP) 值. 这种距离值关系可以预测耳植入物使用者的语音理解结果.

关键词:
听觉神经退化 听觉神经退化耳健康 耳健康复合的作用潜力是复合的作用潜力.神经元生存率 神经元生存率拉回的技术的拉回技术.

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科学领域:

  • 神经外科 神经外科
  • 听力学 听力学是指听力学.
  • 生物医学工程 生物医学工程

背景情况:

  • 耳植入的结果因听觉神经退化等因素而有所不同.
  • 评估听觉神经的功能状态对于优化耳植入物性能至关重要.

研究的目的:

  • 调查电极 - 模块距离和电气唤起的复合作用电位 (eCAPs) 之间的关系.
  • 为了确定eCAP值-距离函数的斜率是否可以预测语音理解的变化.

主要方法:

  • 单极刺激用于人类受试者用耳植入物.
  • 使用光学和形光束计算断层扫描,量化了电极 - 模块体距离.
  • 测量了eCAP值,并与电极位置相关联.

主要成果:

  • 电极 - 模块距离解释了eCAP值变化的多达91%.
  • 观察到单个电极的eCAP值和距离模块的距离之间存在线性关系.
  • 这种关系的斜率解释了语音理解的多达67%的变化.

结论:

  • eCAP值-距离函数的斜率是螺旋质细胞功能状态的潜在标志物.
  • 这一指标可能有助于评估个体患者的状况,并优化耳植入物康复.