在聋人中阅读句子的神经支,母语手语用户
Justyna Kotowicz1, Anna Banaszkiewicz2, Gabriela Dzięgiel-Fivet3
1Institute of Pedagogy, University of Silesia, Poland.
Brain and language
|July 30, 2024
概括
与听觉人士相比,聋人本地手语人士在阅读时表现出不同的大脑活动模式,这表明认知力度增加. 这项研究探讨了聋人读者的句子级阅读电路.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 语言学的语言学.
背景情况:
- 聋的手语母语提供了一个独特的模型,用于学习阅读能力,因为早期沉浸在视觉手势语言中.
- 了解聋人阅读的神经基础对于教育和临床应用至关重要.
研究的目的:
- 为了研究聋人本土手语读者的句子级阅读大脑电路,并将其与听力读者进行比较.
- 在语义句子处理过程中探索功能连接和侧面化模式.
主要方法:
- 使用基于任务的功能磁共振成像 (fMRI).
- 在句子级的语义任务上进行了功能连接和侧面化分析.
主要成果:
- 聋人和听力阅读者在语义任务的左侧大脑区域都显示了重叠的大脑活动.
- 聋人阅读者在左侧皮部和右侧前部/部区域表现出增加的活动.
- 在聋人读者中,在下额前和中旋之间观察到较弱的功能连接,并增强了状岛屿合.
结论:
- 聋人读者利用重叠的语义阅读网络,但表现出不同的大脑激活和连接模式.
- 这些发现表明,对认知控制过程的依赖更大,并且在听障读者中在句子理解过程中可能增加了努力.
- 神经可塑性和阅读网络中的适应性在聋人本土手语中很明显.
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