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Real driving at night - predicting lane departures from physiological and subjective sleepiness
Stockholm University, Faculty of Social Sciences, Stress Research Institute.
Stockholm University, Faculty of Social Sciences, Stress Research Institute. Radboud University Nijmegen, The Netherlands.
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2014 (English)In: Biological Psychology, ISSN 0301-0511, E-ISSN 1873-6246, Vol. 101, 18-23 p.Article in journal (Refereed) Published
Abstract [en]

Only limited information is available on how driving performance relates to physiological and subjective sleepiness on real roads. This relation was the focus of the present study. 33 volunteers drove for 90min on a rural road during the afternoon and night in an instrumented car, while electroencephalography and electrooculography and lane departures were recorded continuously and subjective ratings of sleepiness were made every 5min (Karolinska Sleepiness Scale - KSS). Data was analyzed using Bayesian multilevel modeling. Unintentional LDs increased during night driving, as did KSS and long blink durations(LBD). Lateral position moved to the left . LDs were predicted by self-reported sleepiness and LBDs across time and were significantly higher in individuals with high sleepiness. Removal of intentional LDs, enhanced the KSS/LD relation. It was concluded that LDs, KSS, and LBDs are strongly increased during night driving and that KSS predicts LDs.

Place, publisher, year, edition, pages
2014. Vol. 101, 18-23 p.
Keyword [en]
Real driving, sleepiness, EEG, EOG, lane departures, night, lane position, speed
National Category
Health Sciences
URN: urn:nbn:se:su:diva-106155DOI: 10.1016/j.biopsycho.2014.07.001ISI: 000340838800004PubMedID: 25010991Local ID: P-3138OAI: diva2:735171
Available from: 2014-07-23 Created: 2014-07-23 Last updated: 2014-09-22Bibliographically approved

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Kecklund, GöranÅkerstedt, Torbjörn
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