May 2008
Volume 8, Issue 6
Free
Vision Sciences Society Annual Meeting Abstract  |   May 2008
Spatial biases in scanning and remembering scenes
Author Affiliations
  • Christopher Dickinson
    Department of Psychology, University of Delaware
  • Helene Intraub
    Department of Psychology, University of Delaware
Journal of Vision May 2008, Vol.8, 741. doi:10.1167/8.6.741
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      Christopher Dickinson, Helene Intraub; Spatial biases in scanning and remembering scenes. Journal of Vision 2008;8(6):741. doi: 10.1167/8.6.741.

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Abstract

There are various examples of rightward biases in mental representation (e.g., Pollatsek et al., 1981; Halpern & Kelly, 1993). We examined whether any such bias occurs in memory for constructions of spatial layout (boundary extension; BE). Stimuli were photographs of scenes with a salient object near the right view-boundary and one near the left view-boundary. Eye movements were recorded (EyeLink II) and stimuli were presented in normal and mirror-reversed orientations. In Experiment 1, trials included a 500 ms picture (observers maintained fixation), followed by a 2500 ms mask. The picture reappeared with view-boundaries repositioned and observers adjusted them to reconstruct the original view. BE occurred on both sides, but the error was 5% greater on the right [t(23) = 3.9, p leftward bias [t(22) = 3.6, p t(23) = 2.4, p [[lt]].05]. These results demonstrate a leftward bias of attention that improves memory for detail on the left side of a briefly presented scene, while at the same time providing less constraint on boundary extension for the right side of space.

Dickinson, C. Intraub, H. (2008). Spatial biases in scanning and remembering scenes [Abstract]. Journal of Vision, 8(6):741, 741a, http://journalofvision.org/8/6/741/, doi:10.1167/8.6.741. [CrossRef]
Footnotes
 This research was supported by NIMH Grant MH54688.
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