语言侧面化对左撇子认知的影响
Cristina Cano-Melle1, Esteban Villar-Rodríguez1, María Baena-Pérez1
1Neuropsychology and Functional Neuroimaging, Universitat Jaume I, Castellón de la Plana, Spain.
Neurobiology of language (Cambridge, Mass.)
|May 7, 2025
概括
具有非典型语言横向化的个体,特别是右语言主导,表现出较差的认知表现. 这包括处理速度,空间任务和口头推理方面的挑战,表明大脑组织发生了改变.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 神经心理学 神经心理学
背景情况:
- 非典型的语言横向化表明大脑组织发生了改变.
- 非典型的大脑组织与认知任务执行之间的联系尚未得到充分理解.
研究的目的:
- 调查左撇子中非典型的语言横向化是否与认知任务表现的差异相关.
- 探索语言主导模式与特定认知功能之间的关系.
主要方法:
- 对左撇子参与者进行了测量处理速度的神经心理测试.
- 分类参与者为左语言主导 (n=48),双边 (n=15) 和右语言主导 (n=23).
- 使用因子分析来确定认知维度:阅读/表达/口头推理,空间处理和干扰/抑制.
主要成果:
- 正确的语言优势与明显较差的整体认知表现有关.
- 在空间处理,阅读,发音和口头推理任务中观察到特定的缺陷.
- 较差的性能与要求处理速度和半球间连接的任务相关.
结论:
- 非典型的语言横向化,特别是右主导,与认知能力的下降有关.
- 在非典型的横向化中,大脑组织的改变影响了对速度依赖和依赖连接的认知任务的表现.
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