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Reduced attention allocation during short periods of partially automated driving: An event-related potentials study

dc.contributor.authorSolís-Marcos I.
dc.contributor.authorGalvao-Carmona A.
dc.contributor.authorKircher K.
dc.date.accessioned2020-09-02T22:28:37Z
dc.date.available2020-09-02T22:28:37Z
dc.date.issued2017
dc.identifier10.3389/fnhum.2017.00537
dc.identifier.citation11, , -
dc.identifier.issn16625161
dc.identifier.urihttps://hdl.handle.net/20.500.12728/6274
dc.descriptionResearch on partially automated driving has revealed relevant problems with driving performance, particularly when drivers’ intervention is required (e.g., take-over when automation fails). Mental fatigue has commonly been proposed to explain these effects after prolonged automated drives. However, performance problems have also been reported after just a few minutes of automated driving, indicating that other factors may also be involved. We hypothesize that, besides mental fatigue, an underload effect of partial automation may also affect driver attention. In this study, such potential effect was investigated during short periods of partially automated and manual driving and at different speeds. Subjective measures of mental demand and vigilance and performance to a secondary task (an auditory oddball task) were used to assess driver attention. Additionally, modulations of some specific attention-related event-related potentials (ERPs, N1 and P3 components) were investigated. The mental fatigue effects associated with the time on task were also evaluated by using the same measurements. Twenty participants drove in a fixed-base simulator while performing an auditory oddball task that elicited the ERPs. Six conditions were presented (5-6 min each) combining three speed levels (low, comfortable and high) and two automation levels (manual and partially automated). The results showed that, when driving partially automated, scores in subjective mental demand and P3 amplitudes were lower than in the manual conditions. Similarly, P3 amplitude and self-reported vigilance levels decreased with the time on task. Based on previous studies, these findings might reflect a reduction in drivers’ attention resource allocation, presumably due to the underload effects of partial automation and to the mental fatigue associated with the time on task. Particularly, such underload effects on attention could explain the performance decrements after short periods of automated driving reported in other studies. However, further studies are needed to investigate this relationship in partial automation and in other automation levels. © 2017 Solís-Marcos, Galvao-Carmona and Kircher.
dc.language.isoen
dc.publisherFrontiers Media S. A
dc.subjectAutomated driving
dc.subjectEvent-related potentials
dc.subjectMental fatigue
dc.subjectN1
dc.subjectP3
dc.subjectSpeed
dc.subjectUnderload
dc.subjectadult
dc.subjectalertness
dc.subjectArticle
dc.subjectattention
dc.subjectauditory evoked potential
dc.subjectauditory oddball task
dc.subjectautomated driving
dc.subjectcar driving
dc.subjectdysthymia
dc.subjectevent related potential
dc.subjectfemale
dc.subjectfixed based simulator
dc.subjecthuman
dc.subjecthuman experiment
dc.subjectmale
dc.subjectmanual driving
dc.subjectmental performance
dc.subjectmental task
dc.subjectnormal human
dc.subjectreduced attention allocation
dc.subjectresource allocation
dc.subjectself report
dc.subjecttime
dc.subjectvelocity
dc.subjectyoung adult
dc.titleReduced attention allocation during short periods of partially automated driving: An event-related potentials study
dc.typeArticle


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