朱妮娜-卡明斯基博士说,人类会有一种“无意识的偏好”来保护和养育具有这种吸引人的特性的狗狗,使它们具有进化优势,并在繁衍过程中不断得到强化。
"The evidence is compelling that dogs developed a muscle to raise the inner eyebrow after they were domesticated from wolves," says Dr Kaminski, in a study published in the Proceedings of the National Academy of Sciences of the USA.
卡明斯基博士在发表于《美国国家科学院院刊》上的一项研究中表示:“有令人信服的证据表明,狗在从狼驯化后,发育出了一种可以抬高眉毛内测的肌肉。”
The findings, from UK and US researchers in anatomy and comparative psychology, show that the facial change has developed over thousands of years of dogs living alongside humans.
英国和美国的解剖学和比较心理学研究人员的研究结果表明,这种面部变化是在狗和人类生活在一起的数千年里形成的。
Previous research has shown that dogs are more likely to use this "puppy eyes" expression when a human is looking at them - suggesting that it is a deliberate behavior and intended for human consumption.
此前的研究表明,当人类注视着狗狗时,狗狗更有可能使用这种“小狗眼”的表情,这表明这是有意而为,就是做给人看的。
Anatomist and report co-author, Professor Anne Burrows of Duquesne University in the US, says that in evolutionary terms the changes to dogs' facial muscles was "remarkably fast" and could be "directly linked to dogs' enhanced social interaction with humans".
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