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The role of chunk tightness and chunk familiarity in problem solving: Evidence from ERPs and FMRI
Wu, Lili; Knoblich, Guenther; Luo, Jing; Luo, J (reprint author), Capital Normal Univ, Dept Psychol, Coll Educ, Beijing 100089, Peoples R China.
2013
Source PublicationHUMAN BRAIN MAPPING
ISSN1065-9471
Subtype期刊论文
Volume34Issue:5Pages:1173-1186
Contribution Rank1,5
AbstractMultiple factors of task difficulty keep problem solvers from finding the crucial thinking steps required to solve insight problems. In this study, we distinguished two difficulty factors, chunk familiarity and chunk tightness, and investigated their effects on chunk decompositiona specific type of insight that depends on the process of breaking up perceptual patterns or chunks into elements so that they can be reorganized to form a new meaning. Subjects solved problems that required decomposing Chinese characters that differed in chunk familiarity and chunk tightness. Brain activity was recorded using the electroencephalogram and functional magnetic resonance imaging. The results showed that chunk familiarity could be overcome through an inhibition of familiar meanings, whereas overcoming chunk tightness required visual-spatial processing. Furthermore, chunk familiarity posed an additional difficulty when chunk tightness was high. This result demonstrates that the difficulty sources in a problem do not always simply add up. Rather, the difficulty of a problem can reside in the interaction of particular sources of difficulty. Hum Brain Mapp, 2013. (c) 2012 Wiley Periodicals, Inc.
Keywordinsight problem solving multiple difficulties ERP fMRI inhibition representation change
Subject AreaSocial Psychology
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Indexed BySCI
Language英语
Funding OrganizationNational Natural Science Foundation of China [30770708, 30970890] ; Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences [Y0CX363S01] ; National Basic Research Program of China [2010CB833904]
Project Intro.Contract grant sponsor: National Natural Science Foundation of China; Contract grant number: 30770708 and 30970890; Contract grant sponsor: Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences; Contract grant number: Y0CX363S01; Contract grant sponsor: National Basic Research Program of China; Contract grant number: 2010CB833904.
WOS IDWOS:000317297500014
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Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/10635
Collection中国科学院行为科学重点实验室
Corresponding AuthorLuo, J (reprint author), Capital Normal Univ, Dept Psychol, Coll Educ, Beijing 100089, Peoples R China.
AffiliationLuo, J (reprint author), Capital Normal Univ, Dept Psychol, Coll Educ, Beijing 100089, Peoples R China.
Recommended Citation
GB/T 7714
Wu, Lili,Knoblich, Guenther,Luo, Jing,et al. The role of chunk tightness and chunk familiarity in problem solving: Evidence from ERPs and FMRI[J]. HUMAN BRAIN MAPPING,2013,34(5):1173-1186.
APA Wu, Lili,Knoblich, Guenther,Luo, Jing,&Luo, J .(2013).The role of chunk tightness and chunk familiarity in problem solving: Evidence from ERPs and FMRI.HUMAN BRAIN MAPPING,34(5),1173-1186.
MLA Wu, Lili,et al."The role of chunk tightness and chunk familiarity in problem solving: Evidence from ERPs and FMRI".HUMAN BRAIN MAPPING 34.5(2013):1173-1186.
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