一项fMRI研究检查了扩展杏仁体和杏仁体在情绪和抑制控制中的作用,在母语与第二语言处理中
Maya Sugita-McEown1, Michiru Makuuchi2, Taiga Naoe2
1Faculty of Education and Integrated Arts and Sciences, Waseda University, Tokyo, Japan.
PloS one
|November 4, 2024
概括
杏仁体和扩展杏仁体在处理情感原生语言和第二语言时表现出不同的活动模式,特别是在抑制控制任务期间. 这表明这些大脑区域在管理情绪和跨语言自我控制方面发挥着关键作用.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 心理语言学 心理语言学
背景情况:
- 在母语与第二语言处理中的情绪和抑制控制背后的神经机制仍然不清楚.
- 杏仁体和扩展杏仁体对于情绪反应和执行功能至关重要.
研究的目的:
- 研究杏仁体和扩展杏仁体在处理母语 (日语) 和第二语言 (英语) 情绪刺激中的作用.
- 为了检查抑制控制如何与这些大脑区域的语言模式和情绪价值相互作用.
主要方法:
- 功能磁共振成像 (fMRI) 用于扫描十二名健康的年轻人.
- 参与者完成了一项涉及情感语言刺激的"去/不去"任务,该任务用日语和英语进行.
- 数据分析涉及启动和对大脑活动和行为结果的统计检查.
主要成果:
- 在杏仁体和扩展杏仁体的语言,情绪价值和抑制控制之间发现了显著的相互作用.
- 在这两个区域中,主要观察到语言和价值效应的影响.
- 行为数据显示了对反应时间和准确性的显著相互作用和主要影响.
结论:
- 杏仁体和扩展杏仁体在母语和第二语言中不同地调解情绪和抑制控制.
- 与母语 (日语) 相比,用第二语言 (英语) 处理情绪信息导致桃体减少,并在抑制控制下扩展桃体激活.
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