在阿肯患者中,对语法语调的感知有左半球和右半球大脑损伤
Frank Tsiwah1, Srdjan Popov1, Roelien Bastiaanse1
1Center for Language and Cognition Groningen (CLCG), University of Groningen, Groningen, The Netherlands (NL).
Clinical linguistics & phonetics
|June 2, 2023
概括
这项研究调查了左半球或右半球损伤的个体如何处理语法语调. 结果表明,双边大脑参与语法音色感知,左半球发挥主导作用.
科学领域:
- 神经科学是一个神经科学.
- 语言学的语言学.
- 心理学 心理学 心理学
背景情况:
- 在语音修辞处理中的半球横向化仍然是有争议的.
- 之前的研究表明,左半球在语言表达方面占主导地位,而右半球在非语言刺激方面占主导地位,主要使用词汇语调.
- 语法语音感知及其半球作用尚未得到充分探索.
研究的目的:
- 研究左半球损伤 (LHD) 和右半球损伤 (RHD) 个体的语法语音感知.
- 在LHD,RHD和无脑损伤 (NBD) 组中比较语法语音感知与非语言语音感知.
- 阐明每个半球在处理不同类型的音调信息中的作用.
主要方法:
- 拥有LHD,RHD和NBD控制器的原生阿坎语说者参加了比赛.
- 用两个区分任务来评估语言 (语法) 和非语言语音感知.
- 分析了各组之间的绩效差异.
主要成果:
- 无论是LHD和RHD组都显示了语法语调感知障碍,其中一个趋势是有利于RHD表现.
- 对于非语言色调感知,LHD个体的表现优于RHD个体,尽管与NBD对照相比,两者都受损.
- 大脑受损组的语法语音缺陷与语法处理问题有关,而不是语音处理本身.
结论:
- 语法语音处理似乎涉及双边半球的参与.
- 左半球可能在处理语法语调时占主导地位.
- 在处理语言与非语言表达的过程中,半球角色不同,这对理解语言中的大脑横向化有影响.
相关概念视频
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