Aging and the impact of distraction on an intersection crossing assist system

Ensar Becic, Michael Manser, Christopher Drucker, Max Donath

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

It is known that distraction reduces the benefits of collision avoidance systems by slowing a driver's response. The current study examined the impact of a drivers' use of an in-vehicle intersection crossing assist system under demanding cognitive load conditions. Forty eight drivers crossed a busy rural intersection in a simulated environment while completing four blocks of trials, in half of which they used the assist system and engaged in a working memory task. Participants were dichotomized into older and younger age groups. The results showed a tendency towards conservative driving in a single-task condition when only using the assist system. A similar shift in driving style was observed when drivers crossed the intersection while engaged in a secondary task. Using the in-vehicle intersection crossing assist system under cognitively demanding conditions did not result in adverse consequences - the impact of distraction was different compared to a typical collision avoidance system. Older drivers showed some evidence of more conservative intersection crossing, however they also appeared to rely more on the in-vehicle assist system when presented with an extraneous additional task.

Original languageEnglish (US)
Pages (from-to)968-974
Number of pages7
JournalAccident Analysis and Prevention
Volume50
DOIs
StatePublished - Jan 2013

Keywords

  • Aging
  • Assist system
  • Distraction
  • Intersection
  • Simulator

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