Canine cognitive dysfunction, often called dog dementia, is common in dogs over ten and easy to mistake for "just being old." Here's how to recognize it and what can actually help.
Disorientation in familiar spaces
A dog with cognitive decline may stand and stare at walls, get stuck in corners, or seem confused in rooms they've known for years. This is one of the clearest early signs.
Changes in the sleep-wake cycle
Pacing or whining at night, sleeping more during the day, and general restlessness after dark are extremely common with cognitive decline and often the symptom that first prompts owners to see a vet.
Reduced interest in family or other pets
A dog who used to greet you at the door and now seems indifferent, or who seems to "forget" other pets in the house, may be experiencing changes in memory and recognition, not simply mellowing with age.
House-training accidents
A previously reliable dog having accidents indoors, especially without other signs of illness, can be a cognitive symptom rather than a bladder issue.
Repetitive behaviors
Pacing in circles, licking the air, or repeating the same action over and over can be a sign of cognitive change, especially if it's new.
What actually helps
A few things have real evidence behind them: keeping a consistent daily routine reduces confusion, puzzle toys and short training sessions keep the brain engaged, certain prescription diets and supplements (ask your vet about ones with antioxidants and omega-3s) can slow progression, and nightlights help with nighttime disorientation.
When to call the vet
Cognitive symptoms can overlap with other treatable conditions, like pain, vision loss, or thyroid issues, so it's worth a vet visit to rule those out before assuming it's dementia. If it is cognitive decline, early management makes a real difference in comfort and quality of life.