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Priming of pop-out modulates attentional target selection in visual search: behavioural and electrophysiological evidence

Eimer, Martin and Kiss, Monika and Cheung, T. (2010) Priming of pop-out modulates attentional target selection in visual search: behavioural and electrophysiological evidence. Vision Research 50 (14), pp. 1353-1361. ISSN 0042-6989.

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Official URL: http://dx.doi.org/10.1016/j.visres.2009.11.001

Abstract

Previous behavioural studies have shown that the repetition of target or distractor features across trials speeds pop-out visual search. We obtained behavioural and event-related brain potential (ERP) measures in two experiments where participants searched for a colour singleton target among homogeneously coloured distractors. An ERP marker of spatially selective attention (N2pc component) was delayed when either target or distractor colours were swapped across successive trials, demonstrating that intertrial feature priming systematically affects the onset of focal-attentional target processing. Results support the hypothesis that priming of pop-out effects are primarily generated at early perceptual/attentional stages of visual processing.

Item Type: Article
Keyword(s) / Subject(s): Attention, visual search, intertrial priming, event-related potentials
School or Research Centre: Birkbeck Schools and Research Centres > School of Science > Psychological Sciences
Depositing User: Administrator
Date Deposited: 10 Jan 2011 12:15
Last Modified: 17 Apr 2013 12:19
URI: http://eprints.bbk.ac.uk/id/eprint/2406

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