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相关概念视频

Auditory Perception01:17

Auditory Perception

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 cochlea, a...

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相关实验视频

Updated: Jun 8, 2026

Behavioral Determination of Stimulus Pair Discrimination of Auditory Acoustic and Electrical Stimuli Using a Classical Conditioning and Heart-rate Approach
10:50

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Published on: June 6, 2012

通过功能性听觉模型预测光谱时间调制检测值.

Lily Cassandra Paulick1, Torsten Dau1, Helia Relaño-Iborra2,3

  • 1Hearing Systems, Department of Health Technology, Technical University of Denmark, Kongens Lyngby, Denmark.

Trends in hearing
|February 19, 2026
PubMed
概括
此摘要是机器生成的。

老年听力障碍者表现出降低的光谱时间调制 (STM) 灵敏度,影响语音可理解性. 审计模型部分预测了这些赤字,但需要改进以捕捉个人差异和超值处理.

关键词:
审计建模 审计建模感应神经神经听力损失时间光谱调制处理.超过门的加工.

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Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
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科学领域:

  • 听觉神经科学 听觉神经科学
  • 语音感知 语音感知
  • 精神声学是一种精神声学.

背景情况:

  • 频谱-时间调制 (STM) 灵敏度对于噪音中的语音可理解性至关重要.
  • 对于STM检测的潜在听觉机制尚未完全理解.
  • 听觉传感器 (STM) 的灵敏度可以作为听觉处理缺陷的标记.

研究的目的:

  • 测量STM检测值在年轻的正常听力和老年听力受损的听众.
  • 评估计算听觉信号处理和感知 (CASP) 模型对个人STM性能的预测能力.
  • 调查外周听力系统损伤对STM缺陷的贡献.

主要方法:

  • 在六种条件中测量了STM检测值,其频谱 (0,1,2 c/o) 和时间 (4,12 Hz) 速率各不相同.
  • 该CASP模型是个性化的,使用声度计和自适应分类声量计 (ACALOS) 数据来估计头发细胞损失.
  • 在年轻的正常听力和老年听力受损的听众之间进行了小组比较.

主要成果:

  • 与正常听力听众相比,老年听力受损听众的STM值显著增加,特别是在更高的频谱率下.
  • CASP模型模拟复制了一般值模式,但低估了群体差异和个体间的变化.
  • 模型对估计的毛细胞损失的敏感性是有限的,这表明涉及超值处理.

结论:

  • STM 缺陷在老年听力障碍者中普遍存在,并影响语音可理解性.
  • 像CASP这样的当前听觉模型显示出潜力,但需要对外围和中央处理表示进行增强,以准确预测个人STM性能.
  • 超值机制在STM检测缺陷超出外围损伤方面发挥着重要作用.