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Effects of Cognitive Load Presence and Duration on Driver Eye Movements and Event Detection Performance



Details

  • Personal Author:
  • Description:
    This study examined the effects of cognitive load on driving performance for interactions with an in-vehicle information system (IVIS) that varied in duration from 1 to 4 min. Twelve participants drove in a simulator while intermittently performing the IVIS task. There were three IVIS conditions: interacting with the IVIS, non-IVIS periods between IVIS interactions, and baseline driving without the IVIS task. Contrary to our hypothesis, driver response to lead vehicle braking was surprisingly uniform across IVIS conditions. IVIS interaction did undermine driver ability to detect the bicyclist along the side of the road, and some of these performance decrements persisted after the IVIS interaction had ended. Reaction time for bicyclist detection increased from the first to the subsequent minutes of the interaction. Eye movements were influenced by the IVIS conditions but not by task duration. Both ANOVA and factor analyses revealed that some of the changes in eye movements were concurrent with IVIS interaction while others persisted after the driver completed the IVIS interaction. Overall, the findings suggest that two mechanisms might account for the distraction-related performance decrements in this study: competition for processing resources and interference due to activation of competing goals. [Description provided by NIOSH]
  • Subjects:
  • Keywords:
  • ISSN:
    1369-8478
  • Document Type:
    Text
  • Funding:
    Grant
  • Genre:
    Journal Article
  • Place as Subject:
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    391-402
  • Volume:
    11
  • Issue:
    6
  • NIOSHTIC Number:
    nn:20063640
  • Citation:
    Transp Res Part F Traffic Psychol Behav 2008 Nov; 11(6):391-402
  • Contact Point Address:
    Michelle L. Reyes, The University of Iowa, Center for Computer-Aided Design, 116 Engineering Research Facility, Iowa City, IA 52242, United States
  • Email:
    mlries@engineering.uiowa.edu
  • Federal Fiscal Year:
    2009
  • Performing Organization:
    University of Iowa
  • Peer Reviewed:
    True
  • Start Date:
    20050701
  • Source Full Name:
    Transportation Research Part F: Traffic Psychology and Behaviour
  • End Date:
    20290630
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:2a7807f85640e401670a4d69f7d5deab522811246d53f9e17f8d8be97869d8fd1be535932c8197089984dc585841344085d7146f48aaea7b18fda4b3f397d835
  • Download URL:
  • File Type:
    Filetype[PDF - 345.73 KB ]
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