Eye-tracking in dentistry: what do children notice in the dental operatory?

Clinical Oral Investigations
Gregory CelineNigel King

Abstract

To determine, using eye-tracking technology, (i) what children notice the most when they look at images of dental operatories and (ii) the effect of distractors on gaze pattern. Forty-one children aged 4-12 years (21 girls, 19 boys) viewed 13 images of dental operatories taken from different perspectives on a computer screen. One child was excluded due to calibration issues with the eye-tracking equipment. Areas of interest (AOI's) were pre-defined on each image, then a Tobii X2-60 eye-tracking camera was used to track the location of participant's gaze. Count of participants to fixate and mean length of fixation (LOF) for each AOI were measured. Significant differences in the mean LOF was noticed for bracket tables, handpieces, and the dental chair. Significantly differences in mean LOF between different areas of the images were noted where distractors (cartoons) were added. When viewing images of dental operatories on a computer screen, children fixated most on the bracket tables, handpieces, and dental chairs. The addition of distractors was able to change where they looked. Eye-tracking was able to effectively assess where the children looked. The findings demonstrate that children have inherent preferences for where they f...Continue Reading

References

Jan 1, 1990·Psychological Research·P De GraefG d'Ydewalle
Nov 22, 2007·European Journal of Oral Sciences·Michele ShapiroShula Parush
Jul 11, 2009·Journal of Autism and Developmental Disorders·Katarzyna Chawarska, Frederick Shic
Apr 12, 2012·Journal of Visualized Experiments : JoVE·Noah J Sasson, Jed T Elison
Apr 24, 2013·Behavior Research Methods·Pieter Blignaut, Daniël Wium
Oct 30, 2015·Journal of Applied Behavior Analysis·Anna Ingeborg Petursdottir, Gabriella Aguilar
Apr 8, 2017·Psychological Science·Daniel J Plebanek, Vladimir M Sloutsky
Aug 17, 2018·Journal of Dentistry·Gregory CelineNigel King

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