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J Neurosci Methods. 2011 Jan 15;194(2):259-65. doi: 10.1016/j.jneumeth.2010.10.022. Epub 2010 Nov 11.

Development of a head-mounted, eye-tracking system for dogs.

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  • 1Department of Biological Sciences, Riseholme Park, University of Lincoln, Riseholme, Lincoln LN2 2LG, UK.

Abstract

Growing interest in canine cognition and visual perception has promoted research into the allocation of visual attention during free-viewing tasks in the dog. The techniques currently available to study this (i.e. preferential looking) have, however, lacked spatial accuracy, permitting only gross judgements of the location of the dog's point of gaze and are limited to a laboratory setting. Here we describe a mobile, head-mounted, video-based, eye-tracking system and a procedure for achieving standardised calibration allowing an output with accuracy of 2-3°. The setup allows free movement of dogs; in addition the procedure does not involve extensive training skills, and is completely non-invasive. This apparatus has the potential to allow the study of gaze patterns in a variety of research applications and could enhance the study of areas such as canine vision, cognition and social interactions.

Copyright © 2010 Elsevier B.V. All rights reserved.

PMID:
21074562
[PubMed - indexed for MEDLINE]
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