Citation

Hardiess G, Mallot HA. Strabismus 2010; 18(3): 78-82.

Affiliation

Faculty of Biology, Cognitive Neuroscience, University of Tuebingen, Germany.

Copyright

(Copyright © 2010, Informa Healthcare)

DOI

10.3109/09273972.2010.502958

PMID

20843183

Abstract

Purpose: The purpose of the study was the quantitative analysis of the working memory representation of dynamic objects related to gaze movement behavior. Methods: Eighteen subjects participated in a virtual street-crossing paradigm. The primary task was collisions avoidance. To investigate the representation format, during a sub-task subjects were asked to reconstruct the traffic scene from memory. Results: The distribution of cars positioned during the sub-task reveals a task-dependent (i.e., collision-relevant) representation of about four cars. In contrast, analysis of gaze behavior did not show a preference for collision-prone cars. Conclusion: Subjects avoided collisions efficiently by applying a gaze strategy adequate to create a representation that fulfills the demands of the task. Collision-prone cars are more likely to be represented in memory, but not more likely to be fixated.

Language: en