音乐家中连续性错觉的神经基础
Alejandra E Santoyo1, Antoine J Shahin1,2,3, Daniel J Levitin4
1Department of Cognitive and Information Sciences, University of California, Merced, California, USA.
The European journal of neuroscience
|January 24, 2026
概括
音乐家通过使用上下文线索比非音乐家更好地通过噪音中断来感知听觉连续性. 这可以通过在中断边界下降的甲脑波活动 (4-8 Hz) 来证明,这表明增强的听觉运动抑制.
科学领域:
- 听觉神经科学 听觉神经科学
- 认知神经科学 认知神经科学
- 音乐感知 音乐感知
背景情况:
- 连续性错觉描述了尽管有噪音中断,但感知到连续的声音.
- 这种现象与降低的听觉乙太频段 (4-8 Hz) 功率和在中断边界的相锁定有关.
- 音乐家的听觉处理能力可能不同于非音乐家对这种中断的反应.
研究的目的:
- 调查音乐家和非音乐家之间关于连续性错觉的行为和神经生理差异.
- 测试音乐家是否不太可能感知连续性 (H1) 或更可能由于上下文提示利用 (H2).
- 在噪音中断的听觉刺激过程中检查大脑活动,特别是太波段振荡.
主要方法:
- 参与者 (16名音乐家,16名非音乐家) 听到噪音中断的语音和音乐.
- 行为反应表明感知到的连续性或中断.
- 脑电图 (EEG) 测量了大脑活动,专注于 (4-8 Hz),α (8-13 Hz) 和β (14-30 Hz) 频段.
主要成果:
- 在行为上,音乐家们表现出更强的连续性感知,以短暂的中断来表达语言的连续性.
- 在神经生理学上,与非音乐家相比,音乐家在语音和音乐的中断边界上表现出较弱的甲相锁定.
- 音乐家表现出增强的阿尔法和β功率,可能表明抑制过程.
结论:
- 音乐家更有可能通过上下文提示利用 (支持H2) 来感知连续性.
- 音乐家在音乐和语音中都表现出对噪音中断的增强的听觉运动抑制.
- 这种增强的抑制被推断出源于音乐家中优越的上下文处理能力.
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