Hilda McMackin
Last active: 4/5/2017

Eye movements during multiple object tracking: where do participants look?

Fehd HM, Seiffert AE
Cognition. 2008 108 (1): 201-9

PMID: 18096148 · PMCID: PMC2430980 · DOI:10.1016/j.cognition.2007.11.008

Similar to the eye movements you might make when viewing a sports game, this experiment investigated where participants tend to look while keeping track of multiple objects. While eye movements were recorded, participants tracked either 1 or 3 of 8 red dots that moved randomly within a square box on a black background. Results indicated that participants fixated closer to targets more often than to distractors. However, on 3-target trials, fixation was closer to the center of the triangle formed by the targets more often than to any individual targets. This center-looking strategy seemed to reflect that people were grouping the targets into a single object rather than simultaneously minimizing all target eccentricities. Here we find that observers deliberately focus their eyes on a location that is different from the objects they are attending, perhaps as a consequence of representing those objects as a group.

MeSH Terms (9)

Adult Attention Eye Movements Female Fixation, Ocular Humans Male Motion Perception Visual Perception

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