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相关概念视频

Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

218
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...
218
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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相关实验视频

Updated: Jul 11, 2025

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

Published on: January 23, 2017

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使用无亭式听力测量提高听力准备度

Benjamin Sheffield1,2, Devon Kulinski2, Jaclyn Schurman2

  • 1Hearing Conservation and Readiness Branch, Defense Centers for Public Health - Aberdeen, Aberdeen Proving Ground, MD 21010, USA.

Military medicine
|November 10, 2023
PubMed
概括
此摘要是机器生成的。

无亭式听力仪有效地补充了美国陆军士兵的标准听力测试,恢复了COVID-19后的听力准备. 这一创新增强了军事听力学和听力保护计划.

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科学领域:

  • 军事听力学 军事听力学
  • 职业健康 职业健康 职业健康 职业健康
  • 听力保护 听力保护

背景情况:

  • 美国陆军规定要求每年进行听力测试,以确定士兵的听力准备.
  • 随着COVID-19的流行,传统的多人间室内听力测量系统也被破坏,导致听力准备能力的显著下降.
  • 陆军听力计划寻求创新的解决方案,以保持听力监控.

研究的目的:

  • 评估无亭式听力仪的有效性,作为标准听力测试的补充.
  • 评估无亭式听力测试对美国陆军听力准备能力的影响.
  • 探索无亭式听力测试为听力健康所提供的额外功能.

主要方法:

  • 使用CARES法案资金采购了169台无亭式听力仪.
  • 开发了标准操作程序来进行无亭式测试,与传统参数相匹配.
  • 集成了自动反侧面罩,耳查和听力健康教育.

主要成果:

  • 全球近12,000名服务人员使用无亭式听力计进行了测试.
  • 无间诊室听力测试的值显示了与标准间诊室测试相似的结果 (平均差异 -1.2,95%CI -0.9至0.9).
  • 在使用无亭式听力计的场所,听力准备恢复到流行前的水平.

结论:

  • 无亭式听力仪为与流行病有关的听力准备中断提供了有效的解决方案.
  • 该技术的准确性与传统方法相美.
  • 这项倡议的创新为永久纳入国防部听力保护计划提供了潜在的改进.