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:
Aging, Neuropsychology, and Cognition,
Volume
14,
Issue
2
March
2007
, pages 109
- 125
Subjects:
Child & Adolescent Psychiatry & Clinical Psychology;
Dementia;
Dementia & Alzheimer's Disease;
Gerontology/Ageing;
Neurology;
Neuropsychology;
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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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