在母语中的社会互动后,感知母音合并的神经证据
Mélodie Bellegarda1, Gary Boddaert2, Sophie Dufour3
1University of Granada, CIMCYC - Centro de Investigación Mente Cerebro y Comportamiento, 18071 Granada, Spain.
Brain and language
|January 18, 2025
概括
社交互动迅速改变了大脑处理语音的方法. 在与扬声器互动后,法国北部的听众显示了神经元的证据,可以区分以前合并的母音 (/e/和 /ε/).
科学领域:
- 心理语言学 心理语言学
- 神经科学是一个神经科学.
- 语音学 语音学 语音学
背景情况:
- 发言者在社交互动期间适应单词的使用.
- 目前尚不清楚声学表示是否会发生变化,从而影响对互动后对新的声学对比的感知.
研究的目的:
- 在社交互动后调查神经元证据对音声对比感知变化的证据.
- 检查北方法语说话者在接触这种对比后是否区分 /e/ 和 /ε/ 元音.
主要方法:
- 事件相关潜力 (ERP) 研究使用地图任务进行社会互动.
- 在交互后呈现的听觉刺激 (音节) 测量ERP.
- 分析了不匹配负面性 (MMN) 和ERP迟到的响应.
主要成果:
- 在社交互动之前没有观察到 /e/ 和 /ε/ 音符之间的歧视.
- /e/-/ε/歧视在社会互动后显而易见,由MMN和晚期ERP表示.
结论:
- 社会互动可以迅速诱导神经元在语音表示中的适应.
- 研究结果表明,对声学对比的感知可以通过社交沟通来更新.
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