Similar to Alzheimer’s in humans, CCDS causes changes in the brain that lead to behavioral shifts. Dogs may stare at walls, get "stuck" in corners, forget their housetraining, or fail to recognize familiar family members.

The intersection of animal behavior and veterinary science has evolved from a focus on basic ethology to a sophisticated clinical discipline known as veterinary behavioural medicine

Animal behavior is not a subspecialty for “problem pets”; it is a fundamental component of veterinary science. Recognizing behavioral signs of disease, minimizing fear-induced iatrogenic stress, and applying learning principles to clinical handling improves diagnostic accuracy, treatment compliance, safety for staff, and the human-animal bond. Future veterinary curricula must expand mandatory behavior training beyond basic ethology into applied clinical behavior medicine.

Animal behavior plays a vital role in veterinary science, as it helps veterinarians diagnose and treat behavioral problems, which are often indicative of underlying medical issues. Changes in behavior can be an early warning sign of disease, pain, or stress, allowing veterinarians to intervene early and prevent more severe problems from developing.