In recently developed intelligent vehicles, warning alarms are often used to prompt avoidance behaviours from drivers facing imminent hazardous situations. However, when critical reaction delays to auditory stimulation are anticipated, the alarm should be activated earlier to compensate for such delays. It was found that reaction times to an auditory stimulus significantly increased in the presence of slow eye movement (SEM), which is known to occur frequently during the wake-sleep transition. The reaction delay could not be attributed to temporal effects such as fatigue and was invariant regardless of response effectors (finger or foot). Moreover, it was found that applied pedal force decreased immediately after an auditory stimulus interrupted SEM. Consequently, it was concluded that SEM can be a good predictor of reaction delays to auditory warning alarms when drivers are in a drowsy state. Statement of Relevance:The present study demonstrated that simple auditory reaction time significantly increased when SEM emerged. In the design of vehicle safety systems using warning alarms to prompt avoidance behaviours from drivers, such reaction delays during SEM must be taken into account.


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    Titel :

    Slow eye movement as a possible predictor of reaction delays to auditory warning alarms in a drowsy state


    Beteiligte:
    Sakai, Hiroyuki (Autor:in) / Shin, Duk (Autor:in) / Uchiyama, Yuji (Autor:in) / Terashima, Ryuta (Autor:in) / Wakita, Toshihiro (Autor:in)

    Erschienen in:

    Ergonomics ; 54 , 2 ; 146-153


    Erscheinungsdatum :

    2011


    Format / Umfang :

    8 Seiten




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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