The Effect of a Moderate Dose of Alcohol, With and Without Fructose, on Motorcycle Riding Skills
Bogdanove, Arthur James
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https://hdl.handle.net/2142/71067
Description
Title
The Effect of a Moderate Dose of Alcohol, With and Without Fructose, on Motorcycle Riding Skills
Author(s)
Bogdanove, Arthur James
Issue Date
1985
Department of Study
Health and Safety Studies
Discipline
Health and Safety Studies
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Psychology, Experimental
Abstract
This study primarily concerns the effect of a moderate dose of alcohol on motorcycle riding skills. A secondary aspect was the effect of orally ingested fructose on blood alcohol concentration (BAC), motorcycle skills, and self-perceptions of the effects of alcohol.
Twelve subjects, one of which was female, were each given each of three combinations of alcohol or alcohol placebo followed by fructose or fructose placebo, on three separate days, as follows: (1) alcohol (1 gm/kg) (which was the dose expected to result in a peak BAC of 0.09%) followed by fructose (1 gm/kg), (2) alcohol (1 gm/kg) followed by saccharin (placebo for fructose), or (3) alcohol placebo followed by saccharin. Each of the six permutations of these combinations was used twice.
On each day, subjects were given subjective questionnaires and motorcycle skill tests before alcohol or placebo was administered, after either was given but before fructose or saccharin was given, and twice after the full drug was administered. BACs were determined before alcohol was given and before and after each post-alcohol/placebo set of tests.
The only skill test in which alcohol significantly impaired skills was the straight line balance--the times on which were significantly (p < .01) lower during the alcohol than during the placebo treatment.
Subjects estimated their BACs accurately when they had actually been given alcohol. Under the placebo, they reported some intoxication. They felt significantly less intoxicated after receiving fructose. Alcohol significantly decreased their stated confidence in their safe riding ability but, on straight line balance, their willingness to take risks was apparently not decreased as the BAC dropped. Their self-ratings accurately reflected their actual performances on the tests.
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