Abstract
The purpose of the experiments was to demonstrate an attentional-blink (AB) effect in a visual second task following the processing of a simple auditory signal. Subjects monitored a stream of letters presented at the middle of a computer screen using rapid serial visual presentation for the presence of a visual target (an X or a Y). In experimental trials, the visual target followed a pure tone that required an immediate speeded-choice response. When the tone had to be processed, accuracy in the visualencoding task suffered a marked and prolonged deficit that was timelocked to the onset of the tone. When the tone could be ignored or when no tone was presented, no deficit was observed in the visual task. The results demonstrate a cross-modal AB effect produced by a simple two-choice auditory discrimination task. The results are consistent with the view that at least part of the AB effect has a central, amodal, postperceptual locus.
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This work was supported by the Natural Sciences and Engineering Research Council of Canada. I thank Marg Ingleton for technical assistance and Jeremy Wolfe, Hal Pashler, John Duncan, and Roddy Roediger for comments and criticisms of an earlier draft of this article.
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Jolicoeur, P. Restricted attentional capacity between sensory modalities. Psychonomic Bulletin & Review 6, 87–92 (1999). https://doi.org/10.3758/BF03210813
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DOI: https://doi.org/10.3758/BF03210813