相关实验视频
Updated: Jul 25, 2025

07:13
A Two-interval Forced-choice Task for Multisensory Comparisons
Published on: November 9, 2018
11.0K
神经生理学时间过程的音调诱导的音乐般的感知
Alejandra E Santoyo1, Mariel G Gonzales1, Zunaira J Iqbal1
1Department of Cognitive and Information Sciences, University of California, Merced, California, United States.
Journal of neurophysiology
|June 28, 2023
概括
音乐性可以从无音调的声音中感知到. 这项脑电图 (EEG) 研究表明,噪音流中的音调变化可以诱导类似音乐的感知和与旋律相似的神经处理层次结构.
科学领域:
- 神经科学是一个神经科学.
- 听觉感知是一种听觉感知.
- 音乐认知 音乐认知
背景情况:
- 传统上,音调变化被认为是音乐身份的重要组成部分.
- 以前的研究表明,对不同音高复杂度的声音的听觉处理有右侧的层次转移.
研究的目的:
- 调查是否音乐感知驱动的音调不规则,没有音调变化,引起类似的层次神经处理配置.
- 为了确定音乐性的神经代码是否独立于音调编码.
主要方法:
- 脑电图 (EEG) 被用来记录受试者听无音频的声音流中的大脑活动.
- 声音流在音色上有所不同 (白色,粉红色,棕色噪音),并以音乐和非音乐的安排呈现.
- 受试者将声音流分类为音乐或非音乐.
主要成果:
- 音色不规则的音乐处理,无音调的声音显示了右主导的α (α) 功率增强.
- 观察到theta (θ) 阶段锁定和光谱功率的横向增加,表明了更高层次的听觉处理.
- 在音乐家中,甲相锁定比非音乐家更为明显.
结论:
- 音乐性可以由单独的音调不规则引起,独立于音调编码.
- 这些发现支持了与调音旋律观察到的类似的等级神经处理转移.
- 结果对理解音调感知缺陷的个体的音乐处理有意义.
相关概念视频
Perception of Sound Waves
4.5K
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...
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
4.5K
Perceiving Loudness, Pitch, and Location
274
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...
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...
274
Auditory Perception
385
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...
385
Hearing
52.5K
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.
52.5K
Synesthesia
164
Synesthesia is a remarkable condition where stimulation of one sensory or cognitive pathway leads to automatic, involuntary experiences in a second sensory or cognitive pathway. People with synesthesia experience a blending or crossing of their senses, such as sight and sound, leading to cross-modal sensations. In this condition, the stimulation of one sense, such as hearing a number or musical note, triggers an experience of another sense, like sensing a specific color, taste, or smell. People...
164

