Abstract
When one searches for a target among nontargets appearing in rapid serial visual presentation (RSVP), one’s errors in performance typically involve the misreporting of neighboring nontargets. Such illusory conjunctions or intrusion errors are distributed differently around the target, depending on task or stimulus variables. It is shown here that shifts in intrusion error patterns can be produced by the manipulation of attention alone. In a dual-task paradigm, the magnitude and distribution of intrusion errors changed systematically as a function of available attentional resources. Intrusion errors in RSVP tasks reflect internal capacity limitations for binding independent features. The present results support a two-stage model of RSVP target processing.
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The present experiment was presented as a poster at the 1994 Annual Meeting of the Association for Research in Vision and Opthalmology, Sarasota, FL (Chun, 1994a). An initial report has appeared as a chapter in the author’s unpublished doctoral dissertation (Chun, I994b). This research was conducted at the Massachusetts Institute of Technology and supported by National Science Foundation Grant BNS-9013026 and National Institutes of Health (NIH) Grant MH47432 to Mary C. Potter, and in part by NIH National Research Service Award EY06592 to the author. I thank Molly Potter for her comments on the research and on an earlier draft of this article. I am also grateful for very helpful comments by Juan Botella, Kimron Shapiro, and Vincent Di Lollo. This work benefited greatly from their suggestions. Thanks also to Elliot Moreton for his assistance in running the experiments.
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Chun, M.M. Temporal binding errors are redistributed by the attentional blink. Perception & Psychophysics 59, 1191–1199 (1997). https://doi.org/10.3758/BF03214207
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DOI: https://doi.org/10.3758/BF03214207