Dual Processes of Oculomotor Capture by Abrupt Onset: Rapid Involuntary Capture and Sluggish Voluntary Prioritization

Feng Du, Yue Qi, Xingshan Li and Kan Zhang

PLOS ONE, 2013, vol. 8, issue 11, 1-11

Abstract: The present study showed that there are two distinctive processes underlying oculomotor capture by abrupt onset. When a visual mask between the cue and the target eliminates the unique luminance transient of an onset, the onset still attracts attention in a top-down fashion. This memory-based prioritization of onset is voluntarily controlled by the knowledge of target location. But when there is no visual mask between the cue and the target, the onset captures attention mainly in a bottom-up manner. This transient-driven capture of onset is involuntary because it occurs even when the onset is completely irrelevant to the target location. In addition, the present study demonstrated distinctive temporal characteristics for these two processes. The involuntary capture driven by luminance transients is rapid and brief, whereas the memory-based voluntary prioritization of onset is more sluggish and long-lived.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0080678

DOI: 10.1371/journal.pone.0080678

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