语言熟练度对Stroop效应的影响——不平衡双语者的任务态fMRI研究  

The Influence of Language Proficiency on Stroop Effect——Task State fMRI Study Based on Unbalanced Bilinguals

作　　者：钱巧云 易音巧 淡一波 刘绅 宁瑞鹏 Qian Qiaoyun;Yi Yinqiao;Dan Yibo;Liu Shen;Ning Ruipeng(Shanghai Key Laboratory of Magnetic Resonance,School of Physics and Materials Science,East China Normal University,Shanghai 200062)

机构地区：[1]华东师范大学物理与材料科学学院,上海市磁共振重点实验室,上海200062

出　　处：《心理学探新》2020年第3期228-233,260,共7页Psychological Exploration

摘　　要：目的:探讨语言熟练度对Stroop效应的影响及其背后的脑机制。材料与方法:17位被试参与本研究。被试母语为汉语,第二语言为英语。在被试完成中英文的stroop色字的任务过程中对被试进行fMRI扫描。结果:在色字相一致的条件下,中文任务与英文任务相比,双侧背侧枕叶及右侧背外侧前额叶有更强的激活;反向比较,双侧腹侧枕叶有更强的激活。在色字不一致的条件下,中文任务与英文任务相比,双侧背外侧前额叶、右侧枕下回有更强的激活;反向比较,并无显著激活的脑区。此外,中文Stroop效应引起左侧额下回显著的激活。英文Stroop效应中,左侧额下回无显著激活。结论:结合前人研究,我们得出,语言熟练度影响了对注意控制有重要作用的背外侧前额叶以及与反应抑制有关的左侧额下回在Stroop任务中的参与程度,进而影响了Stroop任务的表现。Objective:Exploring the influence of language proficiency on Stroop effect and the brain mechanism behind it.Materials and Methods:17 native Chinese subjects,whose second language was English,participated in this study.The subjects completed the Stroop color words task in Chinese and English respectively when fMRI was scanning.Results:Under the consistent condition of color words,the dorsal occipital lobe and the right dorsolateral dorsal prefrontal lobe were more strongly activated in Chinese task compared with English task.Compared to the reverse,the ventral occipital lobe was more strongly activated.Under the inconsistency condition of color words,the bilateral dorsolateral frontal lobe and right occipital inferior gyrus were more strongly activated in Chinese task compared with English task.Compared to the reverse,there was no significant activation of the brain region.In addition,compared with the English Stroop effect,the Chinese Stroop effect caused stronger activation of the left inferior frontal gyrus.Conclusion:Combined with previous studies,we concluded that for the dorsolateral prefrontal cortex which was important for attention control and the left inferior frontal gyrus which was associated with response inhibition,language proficiency affected the degree to which they involve in Stroop tasks,and further affected the performance of Stroop tasks.

关 键 词：STROOP 语言熟练度 磁共振成像 注意控制 反应抑制 

分 类 号：B842.5[哲学宗教—基础心理学]