标志性符号的语义处理不是自动的:来自听力非标志性的神经证据
Emily M Akers1, Katherine J Midgley2, Phillip J Holcomb2
1Joint Doctoral Program in Language and Communicative Disorders, San Diego State University & University of California, San Diego.
概括
学习美国手语 (ASL) 标志更容易与标志性. 然而,从标志性标志中识别意义不是自动的,需要动力和注意力.
科学领域:
- 认知神经科学 认知神经科学
- 语言学的语言学.
- 心理学 心理学 心理学
背景情况:
- 标志性,标志的形式与其意义之间的相似性,有助于学习标志.
- 目前尚不清楚,从标志性符号形式中识别意义是否是一种自动的过程.
研究的目的:
- 调查是否理解高度标志性的美国手语 (ASL) 标志的形式含义映射是自动的.
- 探索动机和注意力在处理标志性标志中的作用.
主要方法:
- 与事件相关的潜力 (ERP) 被记录在暴露于标志性和非标志性ASL标志的参与者身上.
- 两组参与:学习者 (期望学习符号) 和非学习者 (没有这样的期望).
- 参与者执行了检测理手势以确保注意力的次要任务,而不需要对标志进行语义处理.
主要成果:
- 学习者在标志出现之前表现出更大的正面消极性,这表明参加的动机增加了.
- 在N400窗口期间,学习者对标志性符号的消极性比非标志性符号更大,这表明有更多的语义处理.
- 非学习者表现出延迟和较弱的标志性效应,在任务执行或组之间的P3幅度没有显著差异.
结论:
- 了解高度标志性的标志的形式意义映射并不是一个自动的过程.
- 动机和注意力对于参与标志性符号的语义处理至关重要.
- 这项研究强调了暗示语言理解的基础上的认知机制以及学习期望的影响.
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