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New Study Reveals Dogs Cry Tears of Joy When Reunited with Their Beloved Owners

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If you’re a dog person, you’re well aware of the incredible love and loyalty that our four-legged companions offer. Now, science has confirmed this bond in a touching new way. A recent research study conducted by Japanese scientists has revealed that dogs shed tears of joy when reunited with their owners, even after short periods of separation.

Research Findings

To measure the emotional response of dogs, the scientists placed paper filters on the lower eyelids of 18 dogs. The study participants were then reunited with their owners after a period of five to seven hours. The results were striking: in the five minutes following the reunion, the dogs produced a greater amount of tears compared to their baseline levels.

The scientists attributed this tear production to the release of oxytocin, commonly known as the love hormone. In fact, to further confirm this correlation, the researchers administered oxytocin directly to another group of dogs’ eyes, resulting in an increased production of tears. In contrast, a different solution did not elicit the same tear response, reinforcing the link to oxytocin.

Photo by Johann from Pexels

Impact on Human-Dog Bond

The study also involved human participants who viewed photos of dogs and rated their emotional responses. Remarkably, dogs with tears in their eyes received higher ratings, suggesting that their tears serve to deepen the bond and endear their caretakers even more. This bonding mechanism ultimately benefits both dogs and their owners’ well-being.

According to the researchers, dogs’ tears have a unique significance due to their evolved communication abilities with humans. Through eye contact and tear production, dogs may elicit protective and nurturing behavior from their owners, fostering mutual relationships and strengthening interspecies bonding.

Notably, the study observed that dogs did not exhibit the same tear response when reuniting with familiar humans who were not their owners. However, the researchers propose that sniffing and licking near the eyelids, commonly observed behaviors during dog greetings, may indicate that tears also serve as a social signal among canines.

Conclusion

The heartwarming findings of this research study provide scientific evidence for what dog lovers have long suspected—our furry friends cry tears of happiness when reunited with their beloved owners. These tears are not only a manifestation of their deep emotional bond but also serve as a means of communication and strengthening the human-dog relationship. So, cherish those tears of joy from your furry companion as a testament to their unwavering love and devotion.

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