短期第二语言学习对书面和口语语言中单个语义网络的发展的影响
Jie Dong1, Wenjia Zhang1, Aqian Li2
1Key Laboratory for Artificial Intelligence and Cognitive Neuroscience of Language, Xi'an International Studies University, Xi'an, China.
短期第二语言 (L2) 训练修改了大脑网络的口语和书面语言. 然而,这些神经网络仍然与母语 (L1) 网络不同,这表明对实现与母语类似的熟练程度的影响有限.
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:
- 之前的研究集中在母语 (L1) 和第二语言 (L2) 单一模式 (书面或口语) 中的大脑关系上.
- 对于L2熟练程度如何影响口语和书面语言模式的理解有限.
- 适应假设表明L2学习影响神经处理,但可能不等同于本地语言的熟练程度.
研究的目的:
- 研究L1和L2阅读和语音理解的功能神经网络.
- 检查这些神经网络如何随着L2能力的提高而改变.
- 测试关于L2获取的适应假设.
主要方法:
- 利用了参加为期3个月的英语培训计划的西班牙语-英语双语人士的fMRI数据.
- 参与者在口头和书面形式完成了一个语义动态判断任务.
- 在培训干预之前和之后进行了扫描和任务.
主要成果:
- 对于L1和L2来说,已经确定了口语和书面语言的独特神经网络,在训练后仍然存在.
- 提高L2熟练程度并没有消除L1和L2口语/书面网络之间的区别.
- 短期L2学习诱导了神经修饰,但没有导致与原生语言类似的处理.
结论:
- 短期L2学习可以改变涉及语言处理的神经网络.
- 即使在训练后,L2的神经网络仍然与L1网络不同.
- 结果支持适应假设,表明仅仅简短的培训不足以实现与本地语言相似的L2熟练程度.
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