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High regularities in eye-movement patterns reveal the dynamics of the visual working memory allocation mechanism

Kong, X and Schunn, CD and Wallstrom, GL (2010) High regularities in eye-movement patterns reveal the dynamics of the visual working memory allocation mechanism. Cognitive Science, 34 (2). 322 - 337. ISSN 0364-0213

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Abstract

With only two to five slots of visual working memory (VWM), humans are able to quickly solve complex visual problems to near optimal solutions. To explain the paradox between tightly constrained VWM and impressively complex human visual problem-solving ability, we propose several principles for dynamic VWM allocation. In particular, we propose that complex visual information is represented in a temporal manner using only a few slots of VWM that include global and local visual chunks. We built a model of human traveling salesman problem solving based on these principles of VWM allocation and tested the model with eye-movement data. Exactly as the model predicted, human eye movements during traveling salesman problem solving have precise quantitative regularities with regard to both the general statistical pattern of attentional fixations and how they vary across individuals with different VWM capacities. Even though VWM capacity is very limited, eye movements dynamically allocate VWM resources to both local and global information, enabling attention to fine details without loss of the big picture. Copyright © 2009 Cognitive Science Society, Inc. All rights reserved.


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Details

Item Type: Article
Status: Published
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Kong, X
Schunn, CDschunn@pitt.eduSCHUNN0000-0003-3589-297X
Wallstrom, GL
Date: 1 March 2010
Date Type: Publication
Journal or Publication Title: Cognitive Science
Volume: 34
Number: 2
Page Range: 322 - 337
DOI or Unique Handle: 10.1111/j.1551-6709.2009.01075.x
Schools and Programs: Dietrich School of Arts and Sciences > Psychology
Refereed: Yes
ISSN: 0364-0213
Date Deposited: 31 Jul 2014 20:32
Last Modified: 02 Feb 2019 15:56
URI: http://d-scholarship.pitt.edu/id/eprint/22583

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