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zoom RSS ストレスの多い男性は体重の重い女性を選ぶ

<<   作成日時 : 2012/08/14 20:21   >>

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 紳士はブロンド女性を好むが、最新の研究ではストレスがかかると体重の重い女性を選ぶという。

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Stressed Men Prefer Heavier Women: Study
http://abcnews.go.com/Health/stressed-men-prefer-heavier-women-study/story

By DR. TIFFANY CHAO, ABC News Medical Unit
Aug. 9, 2012
画像Gentlemen may prefer blondes, but stressed men prefer heavier women -- at least according to a new study.

In this study, published Wednesday in the journal PLoS ONE, researchers at the University of Westminster in London subjected 41 men to a stress-inducing task. After this task, the researchers asked the men to rate the attractiveness of female bodies ranging from emaciated to obese.

Compared to a control group of 40 men who did not undergo the stress task, the stressed men rated a significantly heavier female body size as the most attractive, and they rated heavier female bodies as more attractive in general.

"Our body size preferences are flexible and can be changed by environment and circumstance," explains Martin Tovee, one of the study's authors. "We need to understand the factors shaping body preferences."

In this case, it appears that stress alters the classic stereotype that men prefer thin women in general.

Researchers not directly involved with the study said the finding is consistent with what past work has shown regarding the way stress influences our perceptions.

"Stress, both acute and chronic, has profound effect on how we process new information both cognitively and emotionally," explains Dr. Igor Galynker, associate chairman of the department of psychiatry and behavioral sciences at Beth Israel Medical Center.

In fact, earlier research has shown that men also prefer heavier body sizes when resources are unpredictable or unavailable. Certain evolutionary theories suggest this may be because when times are tough, a thin woman may be ill, have irregular periods, and may be unable to support pregnancy.

"If you live in an environment where food is scarce, being heavier means that you have fat stored up as a buffer and that you must be higher social status to afford the food in the first place," Tovee explains. "Both of these are attractive qualities in a partner in those circumstances."

The study also found that the stressed men gave higher ratings to a wider range of female figures than did their unstressed counterparts. This may have implications about how we choose the people to date and marry. For example, do men in high-stress jobs look for overweight mates, or are their standards lower?

"In this case, mate selection criteria may become more liberal as a way of preserving the species," explains Scott M. Bea, clinical psychologist and assistant professor of medicine at the Cleveland Clinic. "We have some proverbs that reflect this idea such as, 'Any port in a storm.'

"This is probably not just true of physical attractiveness or mate selection. For instance, if one is homeless, we might accept lodging that others would view as inferior."

As for how this research might be useful, understanding how different factors influencing peoples' body shape preferences and ideals may prove valuable in the treatment for body image disorders. After all, if body shape preferences are flexible, thinness may not be the ideal body type that we think it is.

"The information from this article could be useful in therapy of anxiety and eating disorders," Galynker says.

"The information could be an alternative to thoughts such as, 'I am fat; no man would find me attractive.'"

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The Impact of Psychological Stress on Men's Judgements of Female Body Size
Viren Swami1,2*, Martin J. Tovee
PLoS ONE 7(8): e42593. doi:10.1371/journal.pone.0042593

Background
Previous work has suggested that the experience of psychological stress may influence physical attractiveness ideals, but most evidence in favour of this hypothesis remains archival. The objective of this study was to experimentally investigate the impact of stress on men's judgements of female body size.

Methods
Men were randomly assigned to either an experimental group, in which they took part in a task that heightened stress (experimental group, n = 41) or in which they did not take part in such a task (control group, n = 40). Both groups rated the attractiveness of female bodies varying in size from emaciated to obese, completed a measure of appetite sensation, and had their body mass indices (BMIs) measured.

Results
Between-groups analyses showed that the experimental group was matched with the control group in terms of mean age, BMI, and appetite sensation. Further analyses showed that men in the experimental group rated a significantly heavier female body size as maximally attractive than the control group. Men in the experimental group also rated heavier female bodies as more attractive and idealised a wider range of female figures than did the control group.

Conclusion
This study found that the experience of stress was associated with a preference among men for heavier female body sizes. These results indicate that human attractiveness judgements are sensitive to variations in local ecologies and reflect adaptive strategies for dealing with changing environmental conditions.

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