As pets live longer due to advancements in veterinary medicine, behavioral changes help diagnose age-related cognitive decline. Cognitive Dysfunction Syndrome (CDS) in dogs and cats mirrors Alzheimer’s disease in humans. Symptoms include pacing at night, getting stuck behind furniture, staring blankly at walls, and forgetting house-training. Identifying these behavioral markers allows veterinarians to intervene early with dietary changes, mental enrichment, and neuroprotective medications.

Veterinary behaviorists use selective serotonin reuptake inhibitors (SSRIs) and other medications not as a "magic pill," but to lower the animal's fear threshold. This physiological intervention creates a "window of learning," allowing behavioral modification (like desensitization and counter-conditioning) to actually take hold. Animal Welfare and Fear-Free Practice