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Do repeated rumble strip hits improve driver alertness?
Stockholm University, Faculty of Social Sciences, Stress Research Institute. Queensland University of Technology, Australia.
Stockholm University, Faculty of Social Sciences, Stress Research Institute. Karolinska Institutet, Sweden.
Stockholm University, Faculty of Social Sciences, Stress Research Institute. Radboud University, Netherlands.
2016 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 25, no 2, 241-247 p.Article in journal (Refereed) Published
Abstract [en]

Driving while sleepy is associated with increased crash risk. Rumble strips are designed to alert a sleepy or inattentive driver when they deviate outside their driving lane. The current study sought to examine the effects of repeated rumble strip hits on levels of physiological and subjective sleepiness as well as simulated driving performance. In total, 36 regular shift workers drove a high-fidelity moving base simulator on a simulated road with rumble strips installed at the shoulder and centre line after a working a full night shift. The results show that, on average, the first rumble strip occurred after 20 min of driving, with subsequent hits occurring 10 min later, with the last three occurring approximately every 5 min thereafter. Specifically, it was found that the first rumble strip hit reduced physiological sleepiness; however, subsequent hits did not increase alertness. Moreover, the results also demonstrate that increased subjective sleepiness levels, via the Karolinska Sleepiness Scale, were associated with a greater probability of hitting a rumble strip. The present results suggest that sleepiness is very resilient to even strongly arousing stimuli, with physiological and subjective sleepiness increasing over the duration of the drive, despite the interference caused by rumble strips.

Place, publisher, year, edition, pages
2016. Vol. 25, no 2, 241-247 p.
Keyword [en]
arousal, audible edge lines, driving performance, physiological sleepiness, subjective sleepiness
National Category
Neurosciences Neurology
Identifiers
URN: urn:nbn:se:su:diva-122713DOI: 10.1111/jsr.12359ISI: 000375102200014PubMedID: 26486849Local ID: P-3284OAI: oai:DiVA.org:su-122713DiVA: diva2:868281
Available from: 2015-11-10 Created: 2015-11-10 Last updated: 2017-12-01Bibliographically approved

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