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Eye movements and scene perception: Memory for things observed (2002)
| Venue: | Perception & Psychophysics |
| Citations: | 52 - 6 self |
BibTeX
@INPROCEEDINGS{Irwin02eyemovements,
author = {David E. Irwin and Gregory J. Zelinsky},
title = {Eye movements and scene perception: Memory for things observed},
booktitle = {Perception & Psychophysics},
year = {2002},
pages = {882--895}
}
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Abstract
In this study, we examined the characteristics of on-line scene representations, using a partial-report procedure. Subjects inspected a simple scene containing seven objects for 1, 3, 5, 9, or 15 fixations; shortly after scene offset, a marker cued one scene location for report. Consistent with previous research, the results indicated that scene representations are relatively sparse; even after 15 fixations on a scene, the subjects remembered the position/identity pairings for only about 78 % of the objects in the scene, or the equivalent of about five objects-worth of information. Report of the last three objects that were foveated and of the object about to be foveated was very accurate, however, suggesting that recently attended information in a scene is represented quite well. Information about the scene appeared to accumulate over multiple fixations, but the capacity of the on-line scene representation appeared to be limited to about five items. Implications for recent theories of scene representation are discussed. Consider walking into a room that you have never been in before. The room contains more information than you can perceive in a single glance, so you direct your eyes, via rapid movements called saccades, so as to fixate objects around you. Each eye movement causes visual information
