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Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
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Published on: August 29, 2018

Size matters: large objects capture attention in visual search.

Michael J Proulx1

  • 1Biological and Experimental Psychology Group, School of Biological and Chemical Sciences, Queen Mary University of London, London, United Kingdom. m.proulx@qmul.ac.uk

Plos One
|January 5, 2011
PubMed
Summary
This summary is machine-generated.

Irrelevantly large objects can capture attention through stimulus-driven processes, independent of task goals. This finding challenges previous literature, suggesting a potential for purely bottom-up attentional capture.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Attentional capture is debated, with stimulus-driven (bottom-up) and goal-directed (top-down) mechanisms proposed.
  • Previous literature suggested no study met criteria for purely stimulus-driven attentional capture.

Purpose of the Study:

  • To investigate if an irrelevantly large object can capture attention in a purely stimulus-driven manner.
  • To determine if attentional capture by size is independent of goal-directed influences.

Main Methods:

  • Visual search experiments were conducted.
  • Participants searched for targets while irrelevantly large objects were presented.
  • Attention capture by the static visual feature of size was assessed.

Main Results:

  • Attention was captured by the irrelevantly large object.
  • This capture occurred independently of display-wide features that might bias attention towards larger items.

Conclusions:

  • A large object can capture attention in a stimulus-driven manner.
  • Findings are consistent with established criteria for stimulus-driven capture or a flexible goal-directed saliency mechanism.