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Published on: March 25, 2011
Attending to eye movements and retinal eccentricity: evidence for the activity distribution model of attention
Nicholas B Turk-Browne1, Jay Pratt
1Department of Psychology, University of Toronto, 100 St. George Street, Toronto, Ontario M5S 3G3, Canada.
Abstract:
When testing between spotlight and activity distribution models of visual attention, D. LaBerge, R. L. Carlson, J. K. Williams, and B. G. Bunney (1997) used an experimental paradigm in which targets are embedded in 3 brief displays. This paradigm, however, may be confounded by retinal eccentricity effects and saccadic eye movements. When the retinal eccentricities of the targets are equated and eye position is monitored, the pattern of results reported by LaBerge et al., which supported the activity distribution model, is not found. This result underscores the importance of considering targets' eccentricity and people's inclination to make saccadic eye movements in certain types of visual cognition tasks. ((c) 2005 APA, all rights reserved).
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