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          Institute: MPI für Psycholinguistik     Collection: Yearbook 2010     Display Documents



ID: 453448.0, MPI für Psycholinguistik / Yearbook 2010
The roles of feature-specific task set and bottom-up salience in attentional capture: An ERP study
Authors:Eimer, Martin; Kiss, Monika; Press, Clare; Sauter, Disa
Date of Publication (YYYY-MM-DD):2009
Title of Journal:Journal of Experimental Psychology: Human Perception and Performance
Volume:35
Start Page:1316
End Page:1328
Audience:Experts Only
Intended Educational Use:No
Abstract / Description:We investigated the roles of top-down task set and bottom-up stimulus salience for feature-specific attentional capture. ERPs and behavioural performance were measured in two experiments where spatially nonpredictive cues preceded visual search arrays that included a colour-defined target. When cue arrays contained a target-colour singleton, behavioural spatial cueing effects were accompanied by a cue-induced N2pc component, indicative of attentional capture. Behavioural cueing effects and N2pc components were only minimally attenuated for non-singleton relative to singleton target-colour cues, demonstrating that top-down task set has a much greater impact on attentional capture than bottom-up salience. For nontarget-colour singleton cues, no N2pc was triggered, but an anterior N2 component indicative of top-down inhibition was observed. In Experiment 2, these cues produced an inverted behavioural cueing effect, which was accompanied by a delayed N2pc to targets presented at cued locations. These results suggest that perceptually salient visual stimuli without task-relevant features trigger a transient location-specific inhibition process that prevents attentional capture, but delays the selection of subsequent target events.
External Publication Status:published
Document Type:Article
Communicated by:kastens
Affiliations:MPI für Psycholinguistik
Identifiers:LOCALID:escidoc:102114
DOI:10.1037/a0015872
URL:http://pubman.mpdl.mpg.de/pubman/item/escidoc:1021...
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