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Neural bases for basic processes in heuristic problem solving: Take solving Sudoku puzzles as an example.

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机构： [1]The International WIC Institute, Beijing University of Technology, Beijing, China, [2]Beijing Key Laboratory of MRI and Brain Informatics, Beijing, China, [3]Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA, [4]College of Computer and Software, Taiyuan University of Technology, Taiyuan, Shanxi, China, [5]Department of Computer Engineering, Guangxi University of Technology, Liuzhou, Guangxi, China, [6]Department of Radiology, Xuanwu Hospital, Capital Medical University, Beijing, China, [7]Department of Life Science and Informatics, Maebashi Institute of Technology, Maebashi, Japan

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Newell and Simon postulated that the basic steps in human problem-solving involve iteratively applying operators to transform the state of the problem to eventually achieve a goal. To check the neural basis of this framework, the present study focused on the basic processes in human heuristic problem-solving that the participants identified the current problem state and then recalled and applied the corresponding heuristic rules to change the problem state. A new paradigm, solving simplified Sudoku puzzles, was developed for an event-related functional magnetic resonance imaging (fMRI) study in problem solving. Regions of interest (ROIs), including the left prefrontal cortex, the bilateral posterior parietal cortex, the anterior cingulated cortex, the bilateral caudate nuclei, the bilateral fusiform, as well as the bilateral frontal eye fields, were found to be involved in the task. To obtain convergent evidence, in addition to traditional statistical analysis, we used the multivariate voxel classification method to check the accuracy of the predictions for the condition of the task from the blood oxygen level dependent (BOLD) response of the ROIs, using a new classifier developed in this study for fMRI data. To reveal the roles that the ROIs play in problem solving, we developed an ACT-R computational model of the information-processing processes in human problem solving, and tried to predict the BOLD response of the ROIs from the task. Advances in human problem-solving research after Newell and Simon are then briefly discussed. © 2012 The Institute of Psychology, Chinese Academy of Sciences and Blackwell Publishing Asia Pty Ltd.

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大类 | 4 区心理学

小类 | 4 区心理学：综合

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第一作者机构： [1]The International WIC Institute, Beijing University of Technology, Beijing, China, [2]Beijing Key Laboratory of MRI and Brain Informatics, Beijing, China, [3]Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, USA,

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通讯机构： [*1]The International WIC Institute, Beijing University of Technology, Beijing 100124, China

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