An explanation for enhanced perceptions of attractiveness after alcohol consumption

Roehampton University, London, UK.
Alcohol (Fayetteville, N.Y.) (Impact Factor: 2.01). 06/2010; 44(4):307-13. DOI: 10.1016/j.alcohol.2010.02.001
Source: PubMed


Acute alcohol consumption increases ratings of attractiveness to faces. This may help to explain increased frequencies of sexual encounters during periods of alcohol intoxication. At least in part, such increased attraction may be the result of alcohol consumption decreasing ability to detect bilateral asymmetry, presumably because of the reductions in the levels of visual function. We tested the hypotheses that acute alcohol consumption decreases ability to detect asymmetry in faces and reduces preference for symmetrical faces over asymmetrical faces. Twenty images of a pair of faces and then 20 images of a single face were displayed on a computer, one at a time. Participants were instructed to state which face of each of the face pairs displayed was most attractive and then whether the single face being displayed was symmetrical or not. Data were collected near campus bars at Roehampton University. Sixty-four self-selecting students who undertook the study were classified as either sober (control) or intoxicated with alcohol. For each face pair or single face displayed, participant response was recorded and details of the alcohol consumption of participants that day were also obtained. Sober participants had a greater preference for symmetrical faces and were better at detecting whether a face was symmetrical or otherwise, supporting the hypotheses. A further, unexpected finding was that males made fewer mistakes than did females when determining whether individual faces were asymmetrical. The reduced ability of inebriated people to perceive asymmetry may be an important mechanism underlying the higher ratings of facial attractiveness they give for members of the opposite sex and hence their increased frequency of mate choice.

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    • "The women also believed that drinking alcohol enhanced the allure of a potential sex partner by transforming ''a cancer patient into Vin Diesel.'' These beliefs corroborate empirical studies showing that alcohol consumption increased the ratings of perceived attractiveness of faces (Attwood, Penton-Voak, Goodwin, & Munafò , 2012; Halsey, Huber, Bufton, & Little, 2010; Jones, Jones, Thomas, & Piper, 2003), and as such ratings increased so did the reported intentions of engaging in unprotected sex (Agocha & Cooper, 1999; Halsey et al., 2010; Jones et al., 2003). Enhancement SRAEs are also associated with increased risk of unwanted sexual contact. "
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    • "Selecting very similar stimuli in terms of attractiveness may obscure the effect of alcohol consumption on attractiveness ratings. Furthermore, Halsey et al. (2010) found that alcohol drinkers performed worse in symmetry judgment than did placebo drinkers. The result indicated that alcohol consumption can reduce the accuracy in discerning symmetry for facial stimuli. "
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