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An inverse relationship between typical alcohol consumption and facial symmetry detection ability in young women
Lakehead University, Thunder Bay, Ontario, Canada.
* To whom correspondence should be addressed.
The relationship between monthly alcohol consumption over the past 6 months and facial symmetry perception ability was examined in young sober women with typical college-age drinking patterns. Facial symmetry detection performance was inversely related to typical monthly alcohol consumption, r (41) = -0.57, p < 0.001. Other variables that were predictive of facial symmetry detection included alcohol-related hangover and blackout frequency over the past 6 months, number of alcoholic drinks over the past week, early adolescent alcohol consumption and frequency of drug use. The relationship between alcohol use and symmetry detection could not be explained by individual differences in personality, family alcoholism history or other drug use. These findings suggest the possibility of a neurotoxic effect of alcohol on facial symmetry perception ability in female undergraduate students. As similar results did not emerge for a test of dot symmetry detection, the findings appear specific to facial symmetry. No previous studies have examined the effect of alcohol history on symmetry detection. The findings add to a growing literature indicating negative visuospatial effects of early alcohol use, and suggest the importance of further research examining alcohol and drug effects on sober facial perception in non-alcoholic populations. Key Words: alcohol consumption, visual perception, symmetry detection, facial perception, personality, family history of alcoholism, substance use
First published on January 26, 2007, doi:10.1177/0269881106073174 |
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