A Fitts’ Law Study of Pupil Dilations in a Head-Mounted Display

Per Bækgaard, John Paulin Hansen, Katsumi Minakata, I. Scott MacKenzie

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Abstract

When equipped with eye tracking technology, they are well suited for experiments investigating pupil dilation in response to cognitive tasks, emotional stimuli, and motor task complexity, particularly for studies that would otherwise have required the use of a chinrest, since the eye cameras are fixed with respect to the head. This paper analyses pupil dilations for 13 out of 27 participants completing a Fitts’ law task using a virtual reality headset with built-in eye tracking. The largest pupil dilation occurred for the condition subjectively rated as requiring the most physical and mental effort. Fitts’ index of difficulty had no significant effect on pupil dilation, suggesting differences in motor task complexity may not affect pupil dilation.
Original languageEnglish
Title of host publicationProceedings of the 11th ACM Symposium on Eye Tracking Research & Applications
PublisherAssociation for Computing Machinery
Publication date2019
Pages1–5
Article number32
ISBN (Print)978-1-4503-6709-7
DOIs
Publication statusPublished - 2019
Event2019 ACM Symposium on Eye Tracking Research & Applications - Denver, United States
Duration: 25 Jun 201928 Jun 2019

Conference

Conference2019 ACM Symposium on Eye Tracking Research & Applications
Country/TerritoryUnited States
CityDenver
Period25/06/201928/06/2019

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