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Age-Related Differences in the Use of Background Layout in Visual Search 

Authors: Ensar Becic a;  Arthur F. Kramer; Walter R. Boot a
Affiliation:   a Beckman Institute and the Department of Psychology, University of Illinois, Urbana, IL, USA
DOI: 10.1080/13825580701202167
Publication Frequency: 6 issues per year
Published in: journal Aging, Neuropsychology, and Cognition, Volume 14, Issue 2 March 2007 , pages 109 - 125
Formats available: HTML (English) : PDF (English)
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Abstract

The effect of background layout on visual search performance, and more specifically on the tendency to refixate previously inspected locations and objects, was investigated. Older and younger adults performed a search task in which a background layout or landmark was present or absent in a gaze contingent visual search paradigm. Regardless of age, participants demonstrated fewer refixations when landmarks were present, with older adults showing a larger landmark advantage. This visual search advantage did not come at the cost of saccadic latency. Furthermore, the visual search performance advantage obtained in the presence of a background layout or landmark was observed both for individuals with small and large memory spans.
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