Biol Lett:男人留哪种胡须更有魅力?

2014-04-22 张迪 生物通

——研究表明,当满脸络腮胡子的男性较少的时候,女性认为有他们更有魅力,这也许反映了一种进化偏向性。 来自澳大利亚新南威尔士大学的研究人员发现女性认为有胡须的男性更为有魅力,不过这与胡须数量倾向性的男性多少有关。这一研究成果公布在Biology Letters(生物学快报)上。领导这项研究的Barnaby Dixon对此推测认为,对于面部毛发的分布偏好,负向

——研究表明,当满脸络腮胡子的男性较少的时候,女性认为有他们更有魅力,这也许反映了一种进化偏向性。

来自澳大利亚新南威尔士大学的研究人员发现女性认为有胡须的男性更为有魅力,不过这与胡须数量倾向性的男性多少有关。这一研究成果公布在Biology Letters(生物学快报)上。领导这项研究的Barnaby Dixon对此推测认为,对于面部毛发的分布偏好,负向频率相关选择模式(negative frequency-dependence)进化起主要作用,或者说现象倾向性的规律是越稀少,越受到重视。

文章的作者Rob Brooks表示,“我们认为这种情况的机制可能在于负向频率相关选择模式发生作用”。




研究人员召集了1,453位女性,以及213位男性,让他们观看一个男性的四张脸部图片,这四张图片上,这位男性的胡须长短,厚薄不同(见上图)分别为没有胡须,少量胡须,多量胡须,以及满脸胡须。

参与的志愿者们需要评价出哪张脸更具有吸引力,结果研究人员发现当哪种胡须男性数量少的时候,志愿者们就认为这种面孔更为吸引人,也就是说越稀少,越具有魅力,物以稀为贵。

“这也就是说,当人们开始模仿乔治克鲁尼和乔昆·菲尼克斯留胡子的时候,就会出现越来越多人有相同面貌的胡子,那么这种胡子的吸引力就会下降,符合抛物线正态分布原理”,Brooks说。

从进化上来说,胡须对于某些动物,如啮齿类动物具有实用性功能,但是随着物种进化,胡须的这种意义已经不复存在,而变成了类似于雄性激素的一种展示。不过也有研究表明胡须与疾病有关。

例如布里斯托尔大学的研究人员就曾发现刮胡子和心脏冠状动脉疾病与中风存在关联,他们认为那些不经常刮胡子的人往往性高潮的频率少,睾丸激素水平也低,这反映出他们没有稳定婚姻和性生活次数少的特点。

科学家们还认为男性刮胡子主要还是个人卫生习惯的问题。一个男性胡子刮得次数不多,可能反映出他的生活质量较低,因而不太注意个人形象。而那些性生活质量高的男性,通常会比较注重外表,注意自己在性伴侣心目中的形象,因此他们刮胡子肯定会勤快些。

原始出处:

Janif ZJ1, Brooks RC, Dixson BJ.Negative frequency-dependent preferences and variation in male facial hair.Biol Lett. 2014 Apr 16;10(4):20130958. doi: 10.1098/rsbl.2013.0958. Print 2014.

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    2016-07-29 午夜星河

    0

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    2014-07-26 sunylz
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    2014-04-22 匿名用户

    奇怪研究!不过这也是科学

    0