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Bastian Pfleging, Drea K. Fekety, Albrecht Schmidt, Andrew L. Kun
A Model Relating Pupil Diameter to Mental Workload and Lighting Conditions
In CHI '16: Proceedings of the SIGCHI Conference on Human Factors in Computing Systems. San Jose, CA, USA, May 7 - 12, 2016. ACM, New York, NY, USA. ACM 978-1-4503-3362-7 DOI: http://dx.doi.org/10.1145/2858036.2858117 (bib)

In this paper, we present a proof-of-concept approach to estimating mental workload by measuring the userâs pupil diameter under various controlled lighting conditions. Knowing the userâs mental workload is desirable for many application scenarios, ranging from driving a car, to adaptive workplace setups. Typically, physiological sensors allow inferring mental workload, but these sensors might be rather uncomfortable to wear.