June 2007
Volume 7, Issue 9
Free
Vision Sciences Society Annual Meeting Abstract  |   June 2007
Episodic representations of object color
Author Affiliations
  • Sarah D. Vollmer
    Department of Psychology, North Dakota State University
  • Robert D. Gordon
    Department of Psychology, North Dakota State University
Journal of Vision June 2007, Vol.7, 734. doi:10.1167/7.9.734
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      Sarah D. Vollmer, Robert D. Gordon; Episodic representations of object color. Journal of Vision 2007;7(9):734. doi: 10.1167/7.9.734.

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Abstract

We investigated the episodic representation of object color, within a transsaccadic preview paradigm. While fixated on a central cross, participants viewed a preview display consisting of two objects located above and below a peripheral cross. Participants initiated a saccade to the peripheral cross immediately upon the appearance of the preview display. During the saccade, the preview display was replaced by a target display, consisting of a single familiar object in one of the previewed locations; the participant's task was to name the object as quickly as possible after the eyes landed. Half of the trials required the additional task of identifying whether the target object's color matched its color in the preview display. The results revealed an object-specific priming effect: that is, participants named the object more quickly when it appeared in its previewed location than when it appeared in the opposite location. On trials in which participants did not perform the secondary task, changing the object color reduced the size of the effect. However, when the secondary task was included object specific priming was unaffected by a change in target color. The results suggest that task requirements play a role in determining which features are critical to preserving object continuity.

Vollmer, S. D. Gordon, R. D. (2007). Episodic representations of object color [Abstract]. Journal of Vision, 7(9):734, 734a, http://journalofvision.org/7/9/734/, doi:10.1167/7.9.734. [CrossRef]
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