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在母语和外语中产生情绪干扰的神经认知机制:熟练的双语人士的证据
Nicola Del Maschio1, Simone Sulpizio2,3, Camilla Bellini1
1Centre for Neurolinguistics and Psycholinguistics, Faculty of Psychology, Vita-Salute San Raffaele University, Milan, Italy.
双语者对母语 (L1) 情感词语的脑活动更强烈,即使没有行为差异. 这表明,在L1和第二语言 (L2) 中,情绪处理的神经认知机制在L1和第二语言 (L2) 中是不同的.
科学领域:
- 神经科学是一个神经科学.
- 心理语言学 心理语言学
- 认知科学 认知科学
背景情况:
- 双语情感处理在母语 (L1) 和第二语言 (L2) 之间的相似性方面显示出不同的结果.
- 了解神经认知机制对于双语语言处理至关重要.
研究的目的:
- 用功能磁共振成像 (fMRI) 来研究双语者在L1与L2中的情感处理.
- 在情绪干扰任务中检查神经认知机制.
主要方法:
- 使用了功能磁共振成像 (fMRI).
- 熟练的意大利语-英语双语者执行了情绪性冲刺任务 (EST).
- 参与者在L1和L2两种语言中处理了情感词.
主要成果:
- 在L1和L2情感文字处理之间没有观察到显著的行为差异.
- 在L1的情感词语中,在L2的情感词语中,在后中皮层中发现了更强烈的脑激活,而不是L2.
- 激活的大脑区域参与了注意力,记忆力和情感处理.
结论:
- fMRI结果支持母语单词的情感共振更强.
- 在双语语言中,行为和血液动力学反应对情绪信息的敏感性可能有所不同.
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