How prevalent is object-based attention?

Karin S Pilz, Alexa B Roggeveen, Sarah E Creighton, Patrick J Bennett, Alison B Sekuler

Research output: Contribution to journalArticle

16 Citations (Scopus)
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Abstract

Previous research suggests that visual attention can be allocated to locations in space (space-based attention) and to objects (object-based attention). The cueing effects associated with space-based attention tend to be large and are found consistently across experiments. Object-based attention effects, however, are small and found less consistently across experiments. In three experiments we address the possibility that variability in object-based attention effects across studies reflects low incidence of such effects at the level of individual subjects. Experiment 1 measured space-based and object-based cueing effects for horizontal and vertical rectangles in 60 subjects comparing commonly used target detection and discrimination tasks. In Experiment 2 we ran another 120 subjects in a target discrimination task in which rectangle orientation varied between subjects. Using parametric statistical methods, we found object-based effects only for horizontal rectangles. Bootstrapping methods were used to measure effects in individual subjects. Significant space-based cueing effects were found in nearly all subjects in both experiments, across tasks and rectangle orientations. However, only a small number of subjects exhibited significant object-based cueing effects. Experiment 3 measured only object-based attention effects using another common paradigm and again, using bootstrapping, we found only a small number of subjects that exhibited significant object-based cueing effects. Our results show that object-based effects are more prevalent for horizontal rectangles, which is in accordance with the theory that attention may be allocated more easily along the horizontal meridian. The fact that so few individuals exhibit a significant object-based cueing effect presumably is why previous studies of this effect might have yielded inconsistent results. The results from the current study highlight the importance of considering individual subject data in addition to commonly used statistical methods.
Original languageEnglish
Article numbere30693
Number of pages14
JournalPloS ONE
Volume7
Issue number2
DOIs
Publication statusPublished - 13 Feb 2012

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Keywords

  • object-based attention
  • individual differences

Cite this

Pilz, K. S., Roggeveen, A. B., Creighton, S. E., Bennett, P. J., & Sekuler, A. B. (2012). How prevalent is object-based attention? PloS ONE, 7(2), [e30693]. https://doi.org/10.1371/journal.pone.0030693

How prevalent is object-based attention? / Pilz, Karin S; Roggeveen, Alexa B; Creighton, Sarah E; Bennett, Patrick J; Sekuler, Alison B.

In: PloS ONE, Vol. 7, No. 2, e30693, 13.02.2012.

Research output: Contribution to journalArticle

Pilz, KS, Roggeveen, AB, Creighton, SE, Bennett, PJ & Sekuler, AB 2012, 'How prevalent is object-based attention?', PloS ONE, vol. 7, no. 2, e30693. https://doi.org/10.1371/journal.pone.0030693
Pilz KS, Roggeveen AB, Creighton SE, Bennett PJ, Sekuler AB. How prevalent is object-based attention? PloS ONE. 2012 Feb 13;7(2). e30693. https://doi.org/10.1371/journal.pone.0030693
Pilz, Karin S ; Roggeveen, Alexa B ; Creighton, Sarah E ; Bennett, Patrick J ; Sekuler, Alison B. / How prevalent is object-based attention?. In: PloS ONE. 2012 ; Vol. 7, No. 2.
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