Dogs’ personalities change over time, but these changes occur unevenly during the dogs’ life, and each trait follows a distinct age trajectory, according to a study published in Scientific Reports by researchers from the ELTE Eötvös Loránd University, Budapest and the University of Veterinary Medicine, Vienna. The authors also identified some aged dogs with potential age-related impairments, which had very low problem orientation and extremely high levels of activity.
Click here for original story, From puppyhood to senior age: Different personality traits age differently
Source: Phys.org