识别相同的同类词的视觉识别涉及亚词汇抑制和词汇促进
1Department of Speech, Language and Hearing Sciences, University of Missouri, Columbia, Missouri, USA.
Neuroreport
|June 29, 2023
概括
双语者表现出更快的词识别和大脑活动差异,对于语言之间共享的单词. 这表明跨语言激活对文字处理有影响,而亚语言抑制表明高级熟练程度.
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
- 双语研究 双语研究
背景情况:
- 了解双语词识别对于认知科学至关重要.
- 跨语言激活会影响双语者如何处理单词.
- 共享语言形式在双语处理中的作用需要进一步研究.
研究的目的:
- 研究双语词识别过程中跨语言激活的时间动态.
- 检查 cognates 对双语和单语者的行为和神经反应的影响.
- 探索跨语言激活,熟练程度和神经标记之间的关系.
主要方法:
- 记录了行为 (准确性,反应时间) 和与事件相关的潜在 (ERP) 措施.
- 参与者 (双语者和单语者) 用英语单词执行了一个词汇决策任务.
- 刺激包括西班牙语和英语之间相同的同类词 (例如,CLUB) 和非同类词 (例如,CLOCK).
主要成果:
- 参与者对熟悉的和不熟悉的反应同样快.
- 双语者对同族更准确;单语者对非同族更准确.
- 双语者表现出较大的P200和较小的N400相对于异族;单语者表现出较小的N400相对于异族.
结论:
- 跨语言激活导致词汇促进和子词汇抑制.
- 较大的P200 (副词抑制) 对于亲属可能表明高级的双语能力.
- 研究结果支持对双语词汇访问的语言非选择性观点.
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