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双语改变了持续注意力的神经相关值
Ashley Chung-Fat-Yim1, Susan C Bobb2, Noriko Hoshino3
1Northwestern University, Evanston, Illinois, United States.
Translational issues in psychological science
|February 5, 2024
概括
双语者在声音任务中表现出明显的注意力模式,最初投入更多的资源,但后来使用更少的资源. 接触母语会影响这些感知和注意过程.
科学领域:
- 认知神经科学 认知神经科学
- 心理语言学 心理语言学
- 听觉感知是一种听觉感知.
背景情况:
- 语言经验,包括熟练,接触和获取年龄,可能会影响认知功能.
- 注意力是一个由各种因素调节的关键认知过程,包括语言背景.
- 在听觉任务中引起注意力的神经机制在双语学方面还没有完全被理解.
研究的目的:
- 为了研究单语言与双语语言体验如何影响非语言声音歧视期间的神经注意力机制.
- 检查第一和第二语言能力,接触和获取年龄在塑造注意力反应中的作用.
- 为了比较单语者和双语者的脑电图 (EEG) 对听觉刺激的反应.
主要方法:
- 参与者:英语单语者和韩语英语双语者.
- 任务:听觉两种刺激的奇怪任务,涉及高音和低音的区分.
- 数据收集:脑电图 (EEG) 用于记录大脑活动,特别是事件相关潜能 (ERP).
主要成果:
- 双语者对标准音和偏差音都表现出更大的早期神经反应,这表明初始注意力增加.
- 在后期的处理阶段,双语者在异常试验和标准试验之间的ERP差异较小,这表明资源分配更有效.
- 在所有参与者中,更大的母语接触与更大的早期,中期和晚期ERP效应相关.
结论:
- 双语改变了持续的注意力过程,影响了个人如何接触和处理听觉信息.
- 接触母语在塑造与听觉检测和监测相关的感知过程中起着重要作用.
- 研究结果表明,语言体验对感知和学习有广泛的影响,可能是通过对注意力网络的调制.
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