4.5 Article

Investigation of eye movement measures of mental workload in healthcare: Can pupil dilations reflect fatigue or overload when it comes to health information system use?

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APPLIED ERGONOMICS
卷 114, 期 -, 页码 -

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ELSEVIER SCI LTD
DOI: 10.1016/j.apergo.2023.104150

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Mental workload; Pupillometry; Health information systems

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This study aims to investigate whether eye movement measures are suitable for measuring mental workload in healthcare settings. The results indicate significant differences in both objective and subjective workload measures across different task levels. Additionally, there are indications of overload and fatigue in pupil data.
The use of health information systems (HIS) can result in high workloads and, consequently, poor performance characterized by e.g. increased occurrence of errors among clinicians. Pupillometry offers a good possibility to measure mental workload in a dynamic work setting. Currently, there is a lack of empirical research in the context of healthcare settings. Therefore, the aim of the present study was to examine whether specific eye movement measures are suitable for measuring mental workload in the healthcare setting, especially when working with HIS. 49 persons participated in our simulation-lab study. They had to complete a system-related task as well as an increasing n-back task. Both tasks were modified regarding task difficulty. Results show significant differences for objective and subjective workload measures between increasing task levels. There are also hints for an overload/fatigue indicator in pupil data. Our results are limited in terms of external validity, causality and effects. Future work should focus on high-fidelity simulations and less time-consuming analysis approaches.

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