认知控制状态和特征调节词汇竞争在词的生产过程中词汇竞争
Sifan Zhang1,2, Keyi Kang1,2, Jing Zhong1
1Centre for Cognitive and Brain Sciences, University of Macau, Taipa, Macau SAR, China.
Scientific reports
|July 14, 2025
概括
这项研究表明,通过管理单词之间的竞争,认知控制如何影响词的产生. 更好的认知控制导致更有效的词检索,涉及大脑网络之间的相互作用.
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
- 心理语言学 心理语言学
背景情况:
- 词的产生需要解决多个词汇候选人之间的竞争.
- 认知控制机制对于管理这种竞争至关重要.
- 认知控制的个体差异可能会影响文字生成效率.
研究的目的:
- 研究如何认知控制状态和特征调节词汇竞争在词的生产.
- 结合行为和神经成像 (fMRI) 技术来理解这些调制.
- 探索认知控制对语言处理的影响的神经基础.
主要方法:
- 用Stroop嵌入的图片命名任务来操纵认知控制状态.
- 通过改变图片的名称协议来操纵词汇竞争.
- 认知控制特征使用AX连续性能,Flanker和西蒙任务进行评估.
- 收集和分析行为数据和fMRI数据.
主要成果:
- 更高的词汇竞争损害了命名反应,而Stroop冲突则促进了随后的命名.
- 在高词汇竞争期间,在语言和多重需求 (MD) 区域观察到活化增加.
- 有效的连接分析显示,MD地区直接影响语言地区.
- 认知控制较低的个体招募了额外的域-通用资源.
结论:
- 认知控制状态和特征通过与语言网络的相互作用来动态调节文字的产生.
- 多重需求 (MD) 系统在文字生成过程中在管理认知需求方面发挥着综合作用.
- 神经资源根据个人的认知控制能力被不同的方式招募.
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