The researchers found that the dogs’ owners can also look at their pets in a certain way, helping them both to form a strong connection.
The study suggests that this special connection between dogs and humans began when the dogs were domesticated a very long time ago.
Brian Hare and Evan MacLean and, experts in dog psychology at Duke University, commented on the recent findings of the study saying that when a dog stares at its owner, it may want to communicate more than the fact the animal is hungry or wants to go outside.
Larry Young, a researcher at Emory University, said that this study is actually the first one to present the biological mechanisms that are used for bonding between species.
The researchers presented their findings in a study published in the journal Science.
The study shows that the human brain increases the level of oxytocin, which is a type of hormone.
According to scientific research, this hormone is released by the brain usually when social bonding occurs, for example the bonding between infant and parent or between two lovers.
One of the experiments involved 30 dogs and their owners. The scientists collected urine samples from both dogs and owners to measure the level of oxytocin.
The samples were collected before and after the dogs and their owners spend 30 minutes together.
According to the results of the analysis, the owners whose dogs gazed at them in the first 5 minutes had an increased level of oxytocin.
The experiment revealed that dogs who looked at their masters for a longer period of time also had an increased level of this hormone.
Takefumi Kikusui, a researcher at Azabu University in Tokyo, explained that the results were in response to the dogs being touched by their masters during the study session.
Emory Young, an expert in bonding behavior, explained that while human love can lose its initial intensity over time, the love between dogs and humans is always strong.
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