Hazard perception performance and visual scanning behaviours: The effect of sleepiness

Article

Watling, Christopher N. and Home, Madison. 2022. "Hazard perception performance and visual scanning behaviours: The effect of sleepiness." Transportation Research Part F: Traffic Psychology and Behaviour. 90, pp. 243-251. https://doi.org/10.1016/j.trf.2022.08.020
Article Title

Hazard perception performance and visual scanning behaviours: The effect of sleepiness

ERA Journal ID6691
Article CategoryArticle
AuthorsWatling, Christopher N. (Author) and Home, Madison (Author)
Journal TitleTransportation Research Part F: Traffic Psychology and Behaviour
Journal Citation90, pp. 243-251
Number of Pages9
Year2022
Place of PublicationUnited Kingdom
ISSN1369-8478
1873-5517
Digital Object Identifier (DOI)https://doi.org/10.1016/j.trf.2022.08.020
Web Address (URL)https://www.sciencedirect.com/science/article/pii/S1369847822001978
Abstract

Driver sleepiness accounts for a substantial proportion of crashes in Australia and Worldwide. Young adults are overrepresented in sleep-related crashes and are more susceptible to sleepiness, resulting in impaired attention and driving performance. Visual scanning behaviour can affect the role between attention and information acquisition from the driver's environment. Thus, if attention is impaired, visual scanning behaviours are likely to show decrements as well. Overall, 32 young adults aged between 20-25 years completed a 60-minute hazard perception task to examine the effect of sleepiness and time-on-task on hazard perception performance, visual scanning behaviours, subjective sleepiness scores, and psychomotor vigilance test performance. The main outcomes include decrements in hazard perception performance and a restriction in horizontal and vertical eye scanning ranges across the 60-minute session, but with a more pronounced effect when sleep-restricted. These outcomes were consistent with increases in subjective sleepiness and behavioural metrics of sleepiness assessed via the PVT. Reductions in scanning range could limit opportunities to attend to hazards and other critical safety events. The current study outcomes provide an important contribution regarding the risks associated with sleepy driving performance.

Keywordseye tracking; hazard perception, sleep restriction; young drivers
ANZSRC Field of Research 2020520206. Psychophysiology
520404. Memory and attention
520203. Cognitive neuroscience
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsSchool of Psychology and Wellbeing
Queensland University of Technology
Institution of OriginUniversity of Southern Queensland
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