Foreign research: Dogs can feel the pressure of human beings through smell

According to the British "Mirror" reported on September 29, a study at Queen Bellster University in the United Kingdom found that dogs can notice human pressure through a sensitive sense of smell. Researchers said that this skill is very useful when training dogs and service dogs.

In the study, the researchers collected sweat and breathing samples before and after mathematical difficulties, and recorded the pressure level before and after their testing, and then showed a person's pressure and relaxation samples to the dog every 4 minutes. As a result, participated in the test 4 Dogs can correctly identify stress samples. Studies have shown that stress can be detected through human sweat and breathing odor, and dogs detect people's pressure by smelling this smell.

The owner of a card dog Treo participated in the study said: "This research improves Treo's ability to perceive human emotional changes, and also makes us more aware of the ability of dogs to" see 'in the nose' world. "

Clara Wilson, a doctor of psychology at Queen Bell Fhate University, said: "Dogs do not need visual or auditory tips. You can detect human pressure by only smell, which helps us deepen the understanding of dogs to distinguish between human psychological conditions." (Compilation report of China Youth Network)

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