This study proposes a procedure to quantitatively estimate auditory distractions that are not accompanied by any visual diversions to clarify the influence of non-visual distractions on driving. In a laboratory experiment, spare mental capacities (measured in bit/s) for three arithmetic tasks were estimated for each subject driver, using the functional relation between the reaction time and the number of alternatives in choice reaction tasks using a subsidiary task method. The spare capacities obtained correlated significantly with the measures of speed control and physiological load during a lane change course negotiation on a test field. The authors observed that the driving ability deteriorated when the capacity decreased to less than 6 or 7 bits/s.


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    Title :

    Effects of auditory distractions on driving behavior during lane change course negotiation: estimation of spare mental capacity as a index of attention distraction


    Additional title:

    Verfahren zur quantitativen Abschätzung des Einflusses rein akustischer Ablenkungen auf das Reaktionsverhalten des Fahrers


    Contributors:
    Uno, H. (author) / Hiramatsu, K. (author)

    Published in:

    JSAE Review ; 21 , 2 ; 219-224


    Publication date :

    2000


    Size :

    6 Seiten, 8 Bilder, 1 Tabelle, 9 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English