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相关概念视频

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.
56.6K
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...
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Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

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In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
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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...
7.1K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

943
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...
943
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...
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相关实验视频

Updated: Jan 18, 2026

Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
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Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss

Published on: January 25, 2016

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在患有听力障碍的患者中微妙的外周听力功能障碍

Teppei Noda1, Kazuki Nishida2,3, Basile Chretien2

  • 1Department of Otolaryngology, Head and Neck Surgery, Kyushu University, Fukuoka, Japan.

Ear and hearing
|September 8, 2025
PubMed
概括
此摘要是机器生成的。

微妙的外周听力功能障碍可能会导致一些人的听力困难 (LiD). 先进的测试,如值平衡噪声 (TEN) 测试和扭曲产物音声排放 (DPOAE) 测试,可以帮助确定这些问题.

关键词:
扭曲产品的耳声波排放.听力困难 听力困难 听力困难主要是成年人.门均噪声测试试验 门均噪声测试

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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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Cryosectioning and Immunostaining Mouse Inner Ear Tissue: From Embryonic to Adult Stages
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Cryosectioning and Immunostaining Mouse Inner Ear Tissue: From Embryonic to Adult Stages

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相关实验视频

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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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Cryosectioning and Immunostaining Mouse Inner Ear Tissue: From Embryonic to Adult Stages
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Cryosectioning and Immunostaining Mouse Inner Ear Tissue: From Embryonic to Adult Stages

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科学领域:

  • 听力学 听力学是指听力学.
  • 神经科学是一个神经科学.
  • 耳鼻喉科 耳鼻喉科 耳鼻喉科

背景情况:

  • 听力障碍 (LiD) 可以显著影响生活质量.
  • 标准听力测量可能无法检测到导致LiD的细微外周听力功能障碍.

研究的目的:

  • 调查微妙的外周听力功能障碍在LiD中的作用.
  • 为了评估值平衡噪声 (TEN) 测试和扭曲产物音响排放 (DPOAE) 在识别这些功能障碍方面的有效性.

主要方法:

  • 一项病例控制研究涉及61名患有LiD的患者和22名听力正常值的对照.
  • 使用纯色调听力测量,语音识别测试,DPOAE和TEN测试.
  • 为TEN测试计算的信号与TEN比率 (STR).

主要成果:

  • LiD组表现出明显更高的STR值和较低的DPOAE水平,特别是在6kHz.
  • 在TEN测试和DPOAE中,在相当一部分LID患者中发现了功能障碍 (分别为80.0%和71.4%).
  • 结合TEN测试,DPOAE和发育障碍状态,显示了简化LiD诊断的潜力.

结论:

  • 细微的外周听力功能障碍,没有通过标准测试,可能会导致一些患者的LiD.
  • TEN测试和DPOAE提供了一种更敏感的方法来诊断LiD.
  • 需要进一步的多中心研究来验证和完善这种诊断方法.