日批在线视频_内射毛片内射国产夫妻_亚洲三级小视频_在线观看亚洲大片短视频_女性向h片资源在线观看_亚洲最大网

US EUROPE AFRICA ASIA 中文
World / US and Canada

US study: dogs are capable of feeling jealousy

(Agencies) Updated: 2014-07-24 07:46

Dogs are a man's best friend, and research released on Wednesday says canines want to keep it that way.

Dogs are capable of feeling a basic form of jealousy, according to a study published in the PLOS ONE scientific journal.

The research, said to be the first experiment on canine jealousy, could redefine the view that the complex emotion of envy is a human construct, said Christine Harris, University of California, San Diego psychologist and an author of the study.

The owners of 36 small dogs were asked to do three things in the test - shower affection on a plush animatronic dog, shower affection on a plastic jack-o-lantern pail and read a children's book aloud - while ignoring their pet.

Researchers then watched how the dogs reacted.

Roughly 80 percent of the dogs pushed or touched their owner when they were coddling the toy, almost twice as often as when the owner played with the pail and about four times as often as when the owner was reading.

A quarter of the dogs even snapped at the toy, which barked, whined and wagged its tail, while the owner was playing with it. Only one dog snapped at the pail and the book.

"We can't really speak to the dog's subjective experiences, of course, but it looks as though they were motivated to protect an important social relationship," Harris said in a statement accompanying the study.

The research, based on a similar study to gauge jealousy in infants, suggests dogs and possibly other animals exhibit a primordial form of the emotion, the study said.

Researchers said jealousy may have evolved as a way for paired animals to protect their sexual relationships or for baby animals to compete for food and affection from their parents.

They said it also may have developed in dogs during their long domestication by humans.

"Humans, after all, have been rich resource providers over our coevolution," they wrote in the study.

Understanding jealousy is an important scientific task, they wrote, noting that jealousy is often considered a cause of homicides across cultures.

US study: dogs are capable of feeling jealousy US study: dogs are capable of feeling jealousy
Billionaire unveils Pepper, the new emotional robot Dogs not every man's best friend

Trudeau visits Sina Weibo
May gets little gasp as EU extends deadline for sufficient progress in Brexit talks
Ethiopian FM urges strengthened Ethiopia-China ties
Yemen's ex-president Saleh, relatives killed by Houthis
Most Popular
Hot Topics

...
主站蜘蛛池模板: 这里只有精品999 | 国产精品不卡一区二区三区 | 亚洲成人网在线播放 | 久久免费精品 | 成年人看的免费视频 | 在线一区观看 | 国产免费看片 | 四虎毛片| 五月综合激情网 | 超碰人人人| 免费古装一级淫片潘金莲 | 成人av在线一区二区 | 亚洲 欧美 激情 另类 校园 | 成人激情视频在线观看 | 91视频a | 日韩黄色网址 | 久久免费视频1 | 精品超碰 | 成人午夜毛片 | 高清性爱视频 | 久久国产精品一区二区 | 欧美色图久久 | 91在线观看免费高清 | 亚洲一级生活片 | 午夜寂寞影视 | 青青草好吊色 | 日日夜夜伊人 | 国产又色又爽又黄的 | 日韩国产欧美一区 | 日本欧美中文字幕 | www.992tv | 欧美性xxxx在线播放 | 一级免费黄色 | 欧美 日韩 国产 一区二区三区 | 在线能看的av| 欧美精品色图 | 天天操天天干天天插 | 无套白嫩进入乌克兰美女 | 中文字幕有码视频 | 国产乱码精品一区二三区蜜臂 | 影音先锋成人在线 |