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Cognitive control in majority search: a computational modeling approach
Wang, Hongbin1,2; Liu, Xun3,4; Fan, Jin4,5; Wang, HB (reprint author), Univ Texas Hlth Sci Ctr Houston, Sch Biomed Informat, 7000 Fannin Suite 600, Houston, TX 77030 USA.
2011-02-09
发表期刊FRONTIERS IN HUMAN NEUROSCIENCE
ISSN1662-5161
文章类型Article
卷号5
产权排序3
摘要Despite the importance of cognitive control in many cognitive tasks involving uncertainty, the computational mechanisms of cognitive control in response to uncertainty remain unclear. In this study, we develop biologically realistic neural network models to investigate the instantiation of cognitive control in a majority function task, where one determines the category to which the majority of items in a group belong. Two models are constructed, both of which include the same set of modules representing task-relevant brain functions and share the same model structure. However, with a critical change of a model parameter setting, the two models implement two different underlying algorithms: one for grouping search (where a subgroup of items are sampled and re-sampled until a congruent sample is found) and the other for self-terminating search (where the items are scanned and counted one-by-one until the majority is decided). The two algorithms hold distinct implications for the involvement of cognitive control. The modeling results show that while both models are able to perform the task, the grouping search model fit the human data better than the self-terminating search model. An examination of the dynamics underlying model performance reveals how cognitive control might be instantiated in the brain for computing the majority function.
关键词cognitive control uncertainty majority function algorithms computational modeling neural networks
学科领域Cognitive Psychology
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收录类别SCI ; SSCI
语种英语
项目资助者ONR [N00014-08-1-0042] ; Vivian Smith Foundation ; NARSAD ; NIH [1R21MH083164-01]
项目简介This work was supported by an ONR cognitive science program grant (N00014-08-1-0042) and a Vivian Smith Foundation grant to Hongbin Wang, and a Young Investigator Award from the NARSAD and a NIH grant 1R21MH083164-01 to Jin Fan. We thank Kevin G. Guise and Frank Tamborello for assistance in various stages of the study.
WOS记录号WOS:000289421500001
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/11442
专题中国科学院行为科学重点实验室
通讯作者Wang, HB (reprint author), Univ Texas Hlth Sci Ctr Houston, Sch Biomed Informat, 7000 Fannin Suite 600, Houston, TX 77030 USA.
作者单位1.Univ Texas Hlth Sci Ctr Houston, Sch Biomed Informat, Houston, TX 77030 USA
2.Tsinghua Univ, Dept Psychol, Beijing 100084, Peoples R China
3.Chinese Acad Sci, Inst Psychol, Beijing 100101, Peoples R China
4.Mt Sinai Sch Med, Dept Psychiat, New York, NY USA
5.CUNY, Dept Psychol, Queens Coll, Flushing, NY 11367 USA
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Wang, Hongbin,Liu, Xun,Fan, Jin,et al. Cognitive control in majority search: a computational modeling approach[J]. FRONTIERS IN HUMAN NEUROSCIENCE,2011,5.
APA Wang, Hongbin,Liu, Xun,Fan, Jin,&Wang, HB .(2011).Cognitive control in majority search: a computational modeling approach.FRONTIERS IN HUMAN NEUROSCIENCE,5.
MLA Wang, Hongbin,et al."Cognitive control in majority search: a computational modeling approach".FRONTIERS IN HUMAN NEUROSCIENCE 5(2011).
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