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相关概念视频

Hearing01:31

Hearing

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.
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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 identifying...

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Published on: March 24, 2023

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评估单侧耳聋的年轻患者的听觉定位能力.

Alessandro Aruffo1, Giovanni Nicoli1, Marta Fantoni1

  • 1Institute for Maternal and Child Health-IRCCS Burlo Garofolo, 34137 Trieste, Italy.

Audiology research
|July 23, 2025
PubMed
概括

患有单侧耳聋 (SSD) 的儿童在声音定位方面扎,使用有限的头部运动来补偿. 左侧SSD儿童的表现优于右侧SSD儿童,这表明半球在空间听力方面的差异对于课堂支持至关重要.

关键词:
审计补偿的审计补偿孩子们的孩子们的孩子们的孩子们.头部运动 头部运动半球半球不对称性一面性耳聋是一种单面性耳聋.声音本地化 声音本地化空间听力 空间听力单方面的听力损失.虚拟现实 虚拟现实 虚拟现实 虚拟现实

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科学领域:

  • 听觉神经科学 听觉神经科学
  • 儿科听力学 儿科听力学
  • 虚拟现实应用 虚拟现实应用

背景情况:

  • 单侧耳聋 (SSD) 严重损害了儿童的空间听力,影响了学术和社会发展.
  • 了解SSD中的声音本地化缺陷对于有效的干预策略至关重要.

研究的目的:

  • 在虚拟现实 (VR) 环境中,将SSD儿童与正常听力 (NH) 同龄人之间的声音定位精度和补偿头部运动进行比较.
  • 在左侧SSD (L-SSD) 和右侧SSD (R-SSD) 组中,研究不同亚齐图斯角的声音本地化性能.

主要方法:

  • 44名儿童 (20 NH, 24 SSD) 参与了3D VR声音定位任务.
  • 分析包括未标记的近视度误差 (UAE),未标记的高度误差 (UEE) 和头部运动距离.
  • 非参数统计数据比较了NH与SSD和L-SSD与R-SSD的性能.

主要成果:

  • 与NH同龄人相比,SSD儿童的UAE,UEE和头部运动距离显著更高.
  • 在SSD组中,高度定位 (UEE) 比亚齐木斯定位 (UAE) 更准确.
  • 右侧SSD的参与者表现出更大的亚齐图斯和高度误差,特别是在向右的角度.

结论:

  • 患有SSD的儿童使用不够的头部运动来克服 monaural 空间模糊性.
  • 显著的本地化赤字和补偿努力凸显了对课堂支持策略的需求.
  • L-SSD儿童的表现优于R-SSD同龄人,这表明半球在空间听力方面的专业化,这需要进一步研究有针对性的康复.