An analysis of attentional disengagement effect on driver’s cognition of road gradient at sag sections

This study aims to clarify whether attentional disengagement has an effect on improving driver’s cognition of road gradient at sag sections. People often miss recognizing a change in a target because of vigilance decrement, that is degradation in the ability to maintain attention for a change in target over prolonged periods of time. Previous research has suggested it was effective to instantaneously disengage attention from a target to improve vigilance decrement. Drivers keep paying attention to a particular point in front of traveling direction while they drive on the expressway, so it is possible to cause vigilance decrement and miss a change in road gradient at sag sections. Therefore, the purpose of this study is to examine whether attentional disengagement from a particular point in the front while driving on the expressway improves the cognition of a change in road gradient based on a selective adaptation task. As the result, the response time of the disengaged condition was shorter than the engaged condition. This result suggests that it leads to improvement of the driver’s cognition of road gradient to disengage attention from the particular point in front at the proper time.


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  • Accession Number: 01689700
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Dec 6 2018 3:05PM