Turns out,dogs can understand what's written all over your face.A new research claims that dogs use different parts of their brain to process negative and positive emotions cued by human facial expressions.For example if a dog turns its head to the left,it could be picking up that someone is angry,fearful or dogs tend to turn their head to the right.The heart rates of dog also go up when they see someone who is having a bad day.
The research also provided evidence that dogs use different parts of their brains to process human emotions.A human face expressing one of the six basic human emotions - anger ,fear, happiness,sadness ,surprise,disgust or being neutral.
The dog shows greater response and cardiac activity when shown in photograph that expressed arousing emotional states such as anger fear happiness. they also look longer to resume feeding after seeing these images.
Dog tended to turn their head to the left when they saw human faces expressing anger,fear,or happiness.The reverse happened when the faces looked surprised,possibly because dogs view it as a non threa
ting ,relaxed expression.These finding support the existence of an asymmetrical emotional modulation of dogs brains to process basic human emotions.
President Franklin Roosevelt created a minor international incident when he claimed he sent a destroyer to the Aleutian Islands just to pick up his Scottish Terrier, Fala, who had been left behind.
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https://www.sciencedaily.com/releases/2018/06/180620125955.htm