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Title: Reward can modulate attentional capture, independent of top-down set
Authors: Munneke, J
Hoppenbrouwers, SS
Theeuwes, J
Keywords: selective attention;attentional capture
Issue Date: 16-Jul-2015
Publisher: Springer US, published in cooperation with The Psychonomic Society
Citation: Attention, Perception, and Psychophysics, 2015, 77 (8), pp. 2540 - 2548
Abstract: © 2015, The Author(s). The traditional distinction between exogenous and endogenous attentional control has recently been enriched with an additional mode of control, termed “selection history.” Recent findings have indicated, for instance, that previously rewarded or punished stimuli capture more attention than their physical attributes would predict. As such, the value that is associated with certain stimuli modulates attentional capture. This particular influence has also been shown for endogenous attention. Although recent leads have emerged, elucidating the influences of reward on exogenous and endogenous attention, it remains unclear to what extent exogenous attention is modulated by reward when endogenous attention is already deployed. We used a Posner cueing task in which exogenous and endogenous cues were presented to guide attention. Crucially, the exogenous cue also indicated the reward value. That is, the color of the exogenous cue indicated how much reward could be obtained on a given trial. The results showed main effects of endogenous and exogenous attention (i.e., speeded reaction times when either cue was valid, as compared to when it was invalid). Crucially, an interaction between exogenous cue validity and reward level was observed, indicating that reward-based associative-learning processes rapidly influence attentional capture, even when endogenous attention has been actively deployed.
ISSN: 1943-3921
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