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Sökning: WFRF:(Nyström Marcus) > (2010-2014) > Fit-for-duty test f...

  • Ahlström, ChristerStatens väg- och transportforskningsinstitut,Samspel människa, fordon, transportsystem, MFT,Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden (författare)

Fit-for-duty test for estimation of drivers sleepiness level: Eye movements improve the sleep/wake predictor

  • Artikel/kapitelEngelska2013

Förlag, utgivningsår, omfång ...

  • Elsevier,2013
  • printrdacarrier

Nummerbeteckningar

  • LIBRIS-ID:oai:DiVA.org:liu-90685
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-90685URI
  • https://doi.org/10.1016/j.trc.2012.07.008DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-87491URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:vti:diva-271URI
  • https://lup.lub.lu.se/record/3051375URI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:126298733URI

Kompletterande språkuppgifter

  • Språk:engelska
  • Sammanfattning på:engelska

Ingår i deldatabas

Klassifikation

  • Ämneskategori:ref swepub-contenttype
  • Ämneskategori:art swepub-publicationtype

Anmärkningar

  • Funding Agencies|Swedish Transport Administration||VINNOVA, the Swedish Governmental Agency for Innovation Systems||
  • Driver sleepiness contributes to a considerable proportion of road accidents, and a fit-for-duty test able to measure a drivers sleepiness level might improve traffic safety. The aim of this study was to develop a fit-for-duty test based on eye movement measurements and on the sleep/wake predictor model (SWP, which predicts the sleepiness level) and evaluate the ability to predict severe sleepiness during real road driving. Twenty-four drivers participated in an experimental study which took place partly in the laboratory, where the fit-for-duty data were acquired, and partly on the road, where the drivers sleepiness was assessed. A series of four measurements were conducted over a 24-h period during different stages of sleepiness. Two separate analyses were performed; a variance analysis and a feature selection followed by classification analysis. In the first analysis it was found that the SWP and several eye movement features involving anti-saccades, pro-saccades, smooth pursuit, pupillometry and fixation stability varied significantly with different stages of sleep deprivation. In the second analysis, a feature set was determined based on floating forward selection. The correlation coefficient between a linear combination of the acquired features and subjective sleepiness (Karolinska sleepiness scale, KSS) was found to be R = 0.73 and the correct classification rate of drivers who reached high levels of sleepiness (KSS andgt;= 8) in the subsequent driving session was 82.4% (sensitivity = 80.0%, specificity = 84.2% and AUC = 0.86). Future improvements of a fit-for-duty test should focus on how to account for individual differences and situational/contextual factors in the test, and whether it is possible to maintain high sensitive/specificity with a shorter test that can be used in a real-life environment, e.g. on professional drivers.

Ämnesord och genrebeteckningar

Biuppslag (personer, institutioner, konferenser, titlar ...)

  • Nyström, MarcusLund University,Lunds universitet,Humanistlaboratoriet,Fakultetsgemensamma verksamheter,Humanistiska och teologiska fakulteterna,Lund University Humanities Lab,Units,Joint Faculties of Humanities and Theology(Swepub:lu)it-mny (författare)
  • Holmqvist, KennethLund University,Lunds universitet,Humanistlaboratoriet,Fakultetsgemensamma verksamheter,Humanistiska och teologiska fakulteterna,Lund University Humanities Lab,Units,Joint Faculties of Humanities and Theology(Swepub:lu)lucs-kho (författare)
  • Fors, CarinaStatens väg- och transportforskningsinstitut,Samspel människa, fordon, transportsystem, MFT,Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden(Swepub:vti)carina.fors@vti.se (författare)
  • Sandberg, DavidStatens väg- och transportforskningsinstitut,Samspel människa, fordon, transportsystem, MFT,Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden (författare)
  • Anund, AnnaStatens väg- och transportforskningsinstitut,Samspel människa, fordon, transportsystem, MFT,Stockholms Universitet,Swedish National Road and Transport Research Institute (VTI), Linköping, Sweden(Swepub:vti)anna.anund@vti.se (författare)
  • Kecklund, GöranStockholms universitet,Stressforskningsinstitutet,Stockholm University, Sweden(Swepub:su)gkeck (författare)
  • Åkerstedt, TorbjörnKarolinska Institutet,Stockholms universitet,Stressforskningsinstitutet,Stockholm University, Sweden(Swepub:su)tke (författare)
  • Statens väg- och transportforskningsinstitutSamspel människa, fordon, transportsystem, MFT (creator_code:org_t)

Sammanhörande titlar

  • Ingår i:Transportation Research Part C: Elsevier26, s. 20-320968-090X1879-2359

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