A recent study has revealed a significant connection between dog temperament and hormone levels. Researchers found that dogs who performed well on the Wesen test exhibited lower levels of cortisol, commonly referred to as the “stress hormone,” and higher levels of serotonin, often called the “happiness hormone.” This research was led by Minjung Yoon from Kyungpook National University in the Republic of Korea and published in the open-access journal PLOS One.
The Wesen test, a behavioral assessment designed to evaluate a dog’s temperament, has now been supported by biological evidence regarding its implications for canine health. According to the findings, dogs that score higher on this test not only demonstrate better behavior but also have more favorable hormone profiles.
Understanding the Hormonal Impact
Cortisol is known for its role in stress response, and elevated levels can lead to a range of health issues in dogs, including anxiety and behavioral problems. Conversely, serotonin has been linked to feelings of well-being and happiness. The study’s results suggest that well-behaved dogs, as indicated by their performance on the Wesen test, may experience less stress and greater overall happiness due to their hormonal balance.
The research highlights the potential for dog owners and trainers to use temperament assessments, like the Wesen test, as tools for understanding and improving canine well-being. Yoon and her colleagues advocate for more comprehensive approaches to dog training that consider not only behavior but also the physiological state of the animal.
Broader Implications for Dog Owners
Understanding the relationship between behavior and hormone levels offers valuable insights for dog owners. By fostering environments that promote positive behavior, owners may help lower their pets’ stress levels, potentially enhancing both their physical and mental health.
The findings may also influence veterinary practices and dog training methodologies. As more evidence emerges linking behavior and health, veterinarians could integrate temperament evaluations into routine assessments, thereby offering more holistic care.
This study serves as a reminder of the intricate relationship between animal behavior and physiological health. As researchers continue to explore these connections, dog owners can benefit from implementing strategies that encourage positive behavior, ultimately contributing to healthier and happier pets.


































