晚期的正面积极性反映了渐进的心理模型更新:在真实的文本阅读过程中分级的可预测性效应
Weiqi Wang1, Lin Chen2, Charles Perfetti1
1Learning Research and Development Center, University of Pittsburgh, Pittsburgh, PA, USA; Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA.
Brain and language
|November 28, 2025
概括
单词可预测性影响阅读理解. 较高的可预测性降低了早期的大脑反应 (N400),而较低的可预测性提高了后来的大脑活动 (晚期积极性),这表明对心理模型更新的影响.
科学领域:
- 认知神经科学 认知神经科学
- 心理语言学 心理语言学
- 计算语言学 计算语言学
背景情况:
- 高单词可预测性有助于单词含义的访问,由减少的N400显示.
- 单词可预测性对后来的阅读理解阶段 (心理模型更新) 的影响尚不清楚.
研究的目的:
- 研究词语可预测性如何影响阅读理解的后期阶段.
- 为了澄清词语可预测性在心理模型更新中的作用,使用脑电图 (EEG).
主要方法:
- 使用了来自"纽约时报"的两句话.
- 使用基于变压器的语言模型评估单词的可预测性 (惊人).
- 使用线性混合效应建模分析了EEG数据.
主要成果:
- 增加的单词可预测性与中等平行区域N400振幅的减少相关.
- 词语可预测性降低与晚期正面积极性增加相关.
- 单词可预测性表明对晚期正面积极性的分级影响.
结论:
- 单词可预测性影响阅读理解的早期和晚期阶段.
- 晚期的正面积极性反映了心理模型的更新,受到单词可预测性的影响.
- 研究结果表明,可预测性对阅读过程中的认知过程有分级的影响.
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