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相关概念视频

Hearing01:31

Hearing

51.5K
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.
51.5K
The Cochlea01:13

The Cochlea

44.2K
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.
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Perception of Sound Waves01:01

Perception of Sound Waves

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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
Prediction Intervals01:03

Prediction Intervals

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The interval estimate of any variable is known as the prediction interval. It helps decide if a point estimate is dependable.
However, the point estimate is most likely not the exact value of the population parameter, but close to it. After calculating point estimates, we construct interval estimates, called confidence intervals or prediction intervals. This prediction interval comprises a range of values unlike the point estimate and is a better predictor of the observed sample value, y. 
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Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

173
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...
173
Language and Cognition01:27

Language and Cognition

301
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.
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相关实验视频

Updated: May 5, 2026

Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks
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Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks

Published on: September 5, 2019

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"什么"和"什么时候"预测共同调节语音处理.

Ryszard Auksztulewicz1,2, Ozan Bahattin Ödül3, Saskia Helbling4

  • 1Department of Neuropsychology and Psychopharmacology, Maastricht University, Maastricht 6229 ER, The Netherlands ryszard.auksztulewicz@maastrichtuniversity.nl.

The Journal of neuroscience : the official journal of the Society for Neuroscience
|April 11, 2025
PubMed
概括
此摘要是机器生成的。

大脑在层次上整合了"什么"和"什么时候"的语音预测. 时间规律调节内容不匹配响应,较慢的时间尺度影响更大的单元,如单词,这表明共享的神经网络的这种整合.

关键词:
听证会 听证会 听证会 听证会有效的连接,有效的连接.磁脑脑摄影 (MEG) 是一种磁脑脑摄影 (MEG) 技术.预测性处理是一种预测性处理.来源重建的重建.语音处理 语音处理

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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology
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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
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相关实验视频

Last Updated: May 5, 2026

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Interaction between Phonological and Semantic Processes in Visual Word Recognition using Electrophysiology

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

  • 神经科学是一个神经科学.
  • 认知科学 认知科学
  • 审计处理 审计处理

背景情况:

  • 适应性行为依赖于预测环境规律,包括刺激内容 ("什么") 和时间 ("什么时候").
  • 语音处理涉及在多个层面的内容 (音节,单词) 和时间 (快速,缓慢的尺度) 上进行层次预测.
  • 这些内容和时间层次之间的神经映射仍然不清楚.

研究的目的:

  • 研究语音中的等级"什么"和"什么时候"预测如何在大脑中相互作用.
  • 为了确定不同的神经层次是否处理不同语音单元 (音节与单词) 的交互.
  • 探索"什么""什么时候"的整合是否依赖于特定感官或通用机制.

主要方法:

  • 磁脑电图 (MEG) 在22名健康志愿者中记录了神经活动.
  • 操纵"什么" (音节,伪词) 和"什么时候" (快速,缓慢的时间规律) 规律.
  • 分析神经对偏差刺激的反应和有效的连接.

主要成果:

  • "什么时候"规律调节"什么"不匹配的响应与等级特异性.
  • 偏差的伪词响应被较慢的时间规律放大,而音节响应则受到较快的规律的影响.
  • 互动效应局部化到共享的额頭和皮皮层区域,表明分布式处理.

结论:

  • 大脑整合了"什么"和"什么时候"的语音预测,当它们在层次上一致时.
  • 这种整合是由一个共享的,分布的皮质网络介导的,而不是独特的特定感官层次结构.
  • 结果表明,在听觉处理中整合时间和基于内容的预测的统一机制.