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相关概念视频

The Cochlea01:13

The Cochlea

50.5K
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.
50.5K
Hearing01:31

Hearing

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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.
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Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
932
Auditory Perception01:17

Auditory Perception

1.0K
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...
1.0K
Perception of Sound Waves01:01

Perception of Sound Waves

5.4K
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
5.4K
Auditory Pathway01:15

Auditory Pathway

7.1K
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...
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相关实验视频

Updated: Jan 14, 2026

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
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Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation

Published on: October 11, 2024

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扩展的高频听觉灵敏度有助于预测语音感知.

Tugba Lulaci1, Pelle Söderström2, Mikael Roll1

  • 1Centre for Languages and Literature, Lund University, Lund, Sweden.

Hearing research
|October 22, 2025
PubMed
概括
此摘要是机器生成的。

在语音感知中增强高频助听器. 在这些频率中更好的听觉可以通过预测早期声学线索的预测性处理来改善单词识别,特别是对于 /s/. 这样的声音.

关键词:
声学线索 声学线索 声学线索审计预测 审计预测关联的表达方式 Coarticulation.扩展高频听力扩展的高频听力听力尖度 听力尖度语音感知 语音感知

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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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相关实验视频

Last Updated: Jan 14, 2026

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
03:49

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation

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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique
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Assessment of Audio-Tactile Sensory Substitution Training in Participants with Profound Deafness Using the Event-Related Potential Technique

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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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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:

  • 语音感知需要认知能力和详细的声学处理.
  • 大脑使用预测机制来解释复杂,杂和快速的自然语言.
  • 预测性协同发音提供声学线索,有助于听觉预测,特别是在听力下降的条件下.

研究的目的:

  • 研究扩大高频听力值与文字识别之间的关系.
  • 为了确定高频听觉敏感性是否影响使用早期关节线索用于口语识别的能力.
  • 探索扩展高频听力在预测性语音处理中的作用.

主要方法:

  • 通过使用具有摩擦发作 (/f/和 /s/) 的单词来调整一个听觉关范式.
  • 测量了听者的扩展高频听觉灵敏度.
  • 词识别性能在听力值和使用关节线索的使用方面进行了评估.

主要成果:

  • 具有更好的扩展高频听力值的听众在文字识别方面表现出更好的准确性.
  • 预测性使用coarticulatory线索被观察到早在15毫秒的词开始/s/.
  • 对于以 /f/ 开始的单词,没有观察到这种预测益处,这些单词具有较少的高频能量.

结论:

  • 扩展的高频听力在自然语音感知中起着重要的感知作用.
  • 改进的高频听力通过增强对早期声学线索的访问来促进预测处理.
  • 扩展高频听力中的个体差异会影响在具有挑战性的听觉环境中预测口语的能力.