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A Methodology for Capturing Joint Visual Attention Using Mobile Eye-Trackers

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Multiple-object tracking: enhanced visuospatial representations as a result of experience.

Kathryn Barker¹, Roy Allen, Peter McGeorge

¹Vision Research Laboratories, School of Psychology, King's College, University of Aberdeen, UK.

Experimental Psychology

|February 25, 2010

Summary

University Officer Training Corps (OTCs) members show superior dynamic spatial cognition and multiple-object tracking skills compared to other undergraduates. This expertise is linked to specific executive processes but decays rapidly without continuous engagement.

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Area of Science:

Cognitive Psychology
Human Factors
Spatial Cognition

Background:

Expertise in complex visuospatial tasks, like those performed by radar operators, enhances the ability to track multiple moving targets.
Dynamic spatial cognition is crucial for tasks requiring the continuous monitoring and updating of moving objects.

Purpose of the Study:

To investigate visuospatial tracking expertise in University Officer Training Corps (OTCs) members, who regularly perform tasks demanding dynamic spatial cognition.
To differentiate the executive processes involved in moment-to-moment target updating versus long-term memory formation of object disappearances.

Main Methods:

Assessed multiple-object tracking abilities in OTC members and compared them to a control group of undergraduates.
Analyzed the role of executive functions in updating visuospatial representations and forming memory traces of disappearing object sets.

Main Results:

OTCs demonstrated significantly enhanced multiple-object tracking performance compared to other undergraduates.
Expertise was specifically associated with executive processes for real-time updating, not for long-term memory of object locations after simultaneous disappearance.
This tracking expertise showed a rapid decay, particularly with delayed responses.

Conclusions:

Dynamic spatial cognition expertise in OTCs is linked to specialized executive processes for updating visuospatial information.
The ability to form long-term memory traces of disappearing objects relies on distinct cognitive processes not enhanced by this type of training.
Tracking expertise is transient and dependent on continuous engagement of relevant executive functions.