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Psychologica Belgica
Article . 2001 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Psychologica Belgica
Article
License: CC BY
Data sources: UnpayWall
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Psychologica Belgica
Article . 2001
License: CC BY
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Transsaccadic Coding of Object Position: Effects of Saccadic Status and Allocentric Reference Frame

Authors: De Graef, Peter; Verfaillie, Karl; Lamote, Christian;

Transsaccadic Coding of Object Position: Effects of Saccadic Status and Allocentric Reference Frame

Abstract

When we move our eyes to examine new regions of interest in a visual scene, object position on the retina shifts and the question is raised whether and how we keep track of an object’s position across a saccade. Verfaillie and colleagues (1997; Verfaillie & De Graef, 2000) demonstrated that transsaccadic memory for object position is poor, but can he improved when a strictly egocentric reference frame is complemented by an allocentric reference frame. When such a reference frame is available, the saccadic status of an object (i.e., saccade source vs. saccade target) appeared to have little effect on the accuracy of transsaccadic position coding, although there was some indication that the saccade target benefited most from allocentric coding. In the present paper, we systematically investigated the impact of allocentric reference frames on the accuracy of transsaccadic position memory for saccade target, saccade source, and saccade bystander. In Experiment 1, the saccade target did indeed benefit most from being integrated in a triangilar object configuration, providing a distinctive allocentric reference frame. In Experiment 2, we determined that this apparent allocentric target superiority was artifactual: When afterimages due to phosphor persistence were eliminated, the saccade source proved to be the object that benefitted most from transsaccadic coding of its position in an allocentric reference frame. Together with the finding that bystander position was also maintained transsaccadically these data challenge theories which assume that the saccade-target region has a privileged role in keeping a transsaccadic record of a scene’s spatial layout.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
6
Average
Average
Average
gold