Canine Cognitive Dysfunction Canine Cognitive Dysfunction or in layman terms, dog dementia. Many may not be aware, but dogs like humans, can get dementia too. The cause is unknown and therefore, can happen to any dog. Sometimes we may not even know that our dog is suffering from dementia as the signs can be quite easily mistaken. Things like disorientation (staring blankly at walls, or walking and getting stuck in corners), night pacing, change in sleeping patterns, forgetting how to eat or that