大脑是否关心我们阅读的方向? 一个跨文化tDCS研究数字处理的功能侧面化
Narjes Bahreini1, Christina Artemenko1,2, Christian Plewnia2,3
1Department of Psychology, University of Tuebingen, Tuebingen, Germany.
Brain and behavior
|March 10, 2025
概括
文化影响数字处理中的大脑横向化. 跨直流刺激 (tDCS) 通过内 (IPS) 显示,与德国人相比,伊朗人对数值认知有所提高,这表明文化因素会影响大脑表现.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 跨文化心理学 跨文化心理学
背景情况:
- 功能性大脑横向化对于认知过程至关重要.
- 文化因素,如阅读方向,可能会影响大脑的组织.
- 内 (intraparietal sulcus,IPS) 是数字大小处理的一个关键区域.
研究的目的:
- 研究文化对数值处理的横向化的影响.
- 检查阅读方向系统 (右到左与左到右) 是否影响数值认知.
- 探索IPS在文化调节的数字表示中的作用.
主要方法:
- 一项跨文化研究,涉及伊朗人 (读从右到左) 和德国人 (读从左到右).
- 与假刺激相比,在左侧和右侧的IPS上应用阳横直流刺激 (tDCS).
- 在刺激之前和之后评估数字处理性能.
主要成果:
- 没有观察到tDCS对数字处理的总体显著影响.
- 探索性分析显示,在对训练效应进行控制后,tDCS通过左和右的IPS在伊朗人中比德国人更容易处理数字.
- 指数计数方向没有显著影响观察到的效应.
结论:
- 数字处理可能涉及IPS内部的双边代表.
- 探索性发现突出了文化在塑造大脑中的数值表示中的重要作用.
- 需要进一步的研究,以充分阐明文化背景对数字认知和大脑横向化的影响.
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