Abstract
When two targets (T1 and T2) are displayed in rapid succession, accuracy of T2 identification varies as a function of the temporal lag between the targets (attentional blink, AB). In some studies, performance has been found to be most impaired at Lag 1—namely, when T2 followed T1 directly. In other studies, T2 performance at Lag 1 has been virtually unimpaired (Lag 1 sparing). In the present work, we examined how Lag 1 sparing is affected by attentional switches between targets displayed in the same location or in different locations. We found that Lag 1 sparing does not occur when a spatial shift is required between T1 and T2. This suggests that attention cannot be switched to a new location while the system is busy processing another stimulus. The results are explained by a modified version of an attentional gating model (Chun & Potter, 1995; Shapiro & Raymond, 1994).
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This work was supported by grants from the Natural Sciences and Engineering Research Council of Canada to W. F. Bischof and V. Di Lollo. The authors thank James C. Johnston and William S. Maki for commenting on an earlier version of this article.
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Visser, T.A.W., Zuvic, S.M., Bischof, W.F. et al. The attentional blink with targets in different spatial locations. Psychonomic Bulletin & Review 6, 432–436 (1999). https://doi.org/10.3758/BF03210831
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DOI: https://doi.org/10.3758/BF03210831