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Alternative TitleZeigarnik effect in Insight problem solving:Hemispheric difference in brain activities following problem solving and during hint presentation
唐晓晨; 庞娇艳; 罗劲
Source Publication科学通报
Keyword蔡格尼克效应 顿悟 半球差异 汉字组块破解 事件相关电位(ERP)
Subject Area认知神经科学
Funding Project中国科学院知识创新工程(批准号:KSCX2-YW-R-28);;国家自然科学基金(批准号:30770708);;国家高技术研究发展计划(批准号:2006AA02Z43,2008AA021204)资助项目
NotePeople tend to exhibit enhanced memory performance for the unfinished tasks relative to the finished ones,which known as the Zeigarnik effect.Consistently,the impasse state in insightful problem solving were believevd to play an important role in maintaining the problem in one's mind and in catching the critical clue to overcome the main obstacles.More importantly,through hemi-visual field presentation technology,studies on insight found the keynotes for the unsolved puzzle could be more efficient in catalyzing a breakthrough when presented to the left-visual field(i.e.,the right hemisphere) than to the right-visual field,especially when there was a temporal delay between the disappearance of the puzzle and the presentation of keynotes.This observation implied that the right hemisphere,relative to the left one,might play a more important role in keeping the information of the unsolved problem online and might be more ready in processing the related clue for that problem.In order to testify this hypothesis,we compared the Event-Related Potentials(ERPs) between the solved and unsolved insightful chunk decomposition problems during(a) the moment when the subjects pressed a key to indicate whether or not they could solve the problem by themselves before seeing any external hint,and(b) the moment when subjects were given the hint.The ERPs results showed that,during the moment of subjects' confirmation of their successful or unsuccessful problem solving,the unsolved problems were accompanied with a more positive P150 over the right frontal cortex,whereas the solved ones exhibited a more positive P150 over the left side.Consistently,during the moment of hints presentation,the hints to the unsolved problems also elicited a more positive P2 over the right hemisphere,whereas the the hints to the solved problems elicited a more positive P2 over the left side.These results confirmed the hypothesis that,after the failure in insight problem solving,the right hemisphere might be more positive in preserving the unsolved problem in mind and be more responsive to the external hint for problem solving.
Document Type期刊论文
Corresponding Author罗劲
Recommended Citation
GB/T 7714
唐晓晨,庞娇艳,罗劲. 顿悟中的蔡格尼克效应:左右脑在解题失败与提示信息加工时的活动差异[J]. 科学通报,2009,54(22):3464-3474.
APA 唐晓晨,庞娇艳,&罗劲.(2009).顿悟中的蔡格尼克效应:左右脑在解题失败与提示信息加工时的活动差异.科学通报,54(22),3464-3474.
MLA 唐晓晨,et al."顿悟中的蔡格尼克效应:左右脑在解题失败与提示信息加工时的活动差异".科学通报 54.22(2009):3464-3474.
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