Evolution & Human Behavior:“生气脸”与进化有关

2014-09-15 佚名 美国每日科学

下次生气的时候,一定要照照镜子:是不是看到了皱起的眉头、撇着的嘴唇和张大的鼻孔?这就是所谓的“生气脸”。 据《进化和人类行为学》期刊消息,美国加州大学圣塔芭芭拉分校和澳大利亚格里菲斯大学的科学家们提出,这种“生气脸”是自然选择的结果,在人类行为中,有着功能性的优势。 “这种表达是跨文化的共同属性,甚至没有见过‘生气脸’的先天性盲童也能表达这种行为模式。”该研究的主要负责人澳大利亚格里菲斯大学艾伦·

下次生气的时候,一定要照照镜子:是不是看到了皱起的眉头、撇着的嘴唇和张大的鼻孔?这就是所谓的“生气脸”。

据《进化和人类行为学》期刊消息,美国加州大学圣塔芭芭拉分校和澳大利亚格里菲斯大学的科学家们提出,这种“生气脸”是自然选择的结果,在人类行为中,有着功能性的优势。

“这种表达是跨文化的共同属性,甚至没有见过‘生气脸’的先天性盲童也能表达这种行为模式。”该研究的主要负责人澳大利亚格里菲斯大学艾伦·赛尔表示,要做出生气的表情,需要调动7个不同的肌肉群,研究者试图找出进化选择这些特定肌肉做出生气表情的原因。

“我们早期的研究表明,生气是为了在竞争与争斗中进行有效的谈判行为表达。”赛尔认为,可以造成的伤害越大,表明有更强的议价能力。更强壮的男性更容易愤怒,在感觉受到不平等的待遇时,武力解决的趋势更明显。

在这个假说下,赛尔等人进行了一系列实验,首先,利用计算机分级面部图像表情,调整“生气脸”图像的眉毛位置让受试者判断什么样的位置显得更强悍,然后逐一调整其他肌肉群进行测试。

赛尔等人通过实验发现,“生气脸”会让人看上去更有战斗力,人类非常擅长通过脸部表情评估战斗力。赛尔表示:“愤怒的表情可以产生恐吓的功能,这7组肌肉群都展现了这一功能,都提供了相同的信息——‘我很强大’。”

原始出处

Aaron Sellemail address, Leda Cosmides, John Tooby.The human anger face evolved to enhance cues of strength.Evolution & Human Behavior.2014

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    2014-12-29 yese
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    2015-07-07 heli0118
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    2014-09-17 qjddjq

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