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The roles of feature-specific task set and bottom-up salience in attentional capture: an ERP study

Eimer, Martin and Kiss, Monika and Press, Clare and Sauter, Disa (2009) The roles of feature-specific task set and bottom-up salience in attentional capture: an ERP study. Journal of Experimental Psychology: Human Perception and Performance 35 (5), pp. 1316-1328. ISSN 0096-1523.

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Official URL: http://dx.doi.org/10.1037/a0015872

Abstract

We investigated the roles of top-down task set and bottom-up stimulus salience for feature-specific attentional capture. Spatially nonpredictive cues preceded search arrays that included a color-defined target. For target-color singleton cues, behavioral spatial cueing effects were accompanied by cue-induced N2pc components, indicative of attentional capture. These effects were only minimally attenuated for nonsingleton target-color cues, underlining the dominance of top-down task set over salience in attentional capture. Nontarget-color singleton cues triggered no N2pc, but instead an anterior N2 component indicative of top-down inhibition. In Experiment 2, inverted behavioral cueing effects of these cues were accompanied by a delayed N2pc to targets at cued locations, suggesting that perceptually salient but task-irrelevant visual events trigger location-specific inhibition mechanisms that can delay subsequent target selection.

Item Type: Article
Additional Information: *Research Student. No details available (PR 14.9.11)
School or Research Centre: Birkbeck Schools and Research Centres > School of Science > Psychological Sciences
Depositing User: Administrator
Date Deposited: 22 Dec 2010 16:37
Last Modified: 17 Apr 2013 12:19
URI: http://eprints.bbk.ac.uk/id/eprint/2415

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