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相关概念视频

Perception of Sound Waves01:01

Perception of Sound Waves

4.4K
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...
4.4K
Factors Affecting Perception01:25

Factors Affecting Perception

1.6K
Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...
1.6K
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

205
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...
205
Language and Cognition01:27

Language and Cognition

342
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
342
Hearing01:31

Hearing

52.0K
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.
52.0K

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Spatial Hearing and Aging Effects on Mandarin Focus Comprehension in Complex Listening Environments.

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相关实验视频

Updated: Jun 24, 2025

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

440

年龄对prosodic边界感知的影响

Jinxin Ji1, Xinxian Zhao1, Yang Li1

  • 1Department of English, School of Foreign Studies, Tongji University.

Psychology and aging
|June 3, 2024
PubMed
概括

老年人使用声学线索,如暂停和音调变化用于语音细分,支持冗余假设. 这项研究显示了他们独特的整合策略,用于有效的听觉处理.

科学领域:

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

背景情况:

  • 冗余假设表明,老年人需要更多的声学信息来感知语音.
  • 老龄化会影响对听觉线索的处理,这些线索对于理解语音至关重要.
  • 语音线索 (暂停,延长,音调) 在语音细分中发挥作用.

研究的目的:

  • 调查与衰老和语音细分相关的冗余假设.
  • 为了检查年轻和年长的普通话中文听众如何使用prosodic线索.
  • 了解与年龄相关的差异在处理prosodic边界的处理.

主要方法:

  • 对比年轻人和老年人的语音细分策略.
  • 在普通话中使用具有语法模两可的短语对的刺激.
  • 评估在8个条件下使用暂停,最后延长和音调变化的线索.

主要成果:

  • 两个年龄组都优先考虑了语音细分的暂停提示.
  • 年长的听众对最后的延长和音调的变化敏感性降低.
  • 年长的成年人整合了暂停和调节变化线索,以提高细分的准确性.

更多相关视频

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
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Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

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An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
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An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

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相关实验视频

Last Updated: Jun 24, 2025

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

440
Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
05:48

Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception

Published on: August 9, 2024

1.5K
An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing
04:30

An Experimental Paradigm for Measuring the Effects of Ageing on Sentence Processing

Published on: October 25, 2019

5.6K

结论:

  • 老年听众使用补偿性整合策略来进行语音细分.
  • 这些发现支持了关于与年龄相关的听觉处理的冗余假设.
  • 假肢暗示集成是老年人语音感知的关键.