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  • Title: Perceptions of fatigue as related to alcohol ingestion.
    Author: Nelson TM, Ladan CJ, Carlson D.
    Journal: Waking Sleeping; 1979 Apr; 3(2):115-35. PubMed ID: 494643.
    Abstract:
    An experiment is reported in which the role of alcohol in the emergence of fatigue was studied. Eleven (11) participants were requested to operate a driver trainer until they found the task too adverse to continue under conditions of high blood alcohol (BACL greater than 0.08%), low blood alcohol (BACL less than 0.08%), and no blood alcohol. Skill and heart rate were monitored and any personal distresses or observations made about performance were reported to an experimenter who acted in the role of 'passenger'. Results show decline in endurance as blood alcohol increases, but that a higher level of personal distress is endured by drivers who have imbibed, as compared to those who have not. Systematic discrepancies occur between the impressions gained by the experimenter (passenger) from verbal reports made by the driver, and the kinds of self-ratings drivers provide. Features of fatigue are analyzed theoretically as perceptual phenomena as related to alcohol and accidents.
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