Images of Dementia in Dogs

These videos and photos of my dog with canine cognitive dysfunction (CCD) have prompted thanks from hundreds of dog owners who thought something was little “off” with their dog but didn’t know about the disease.

If your dog is showing any of these symptoms, you should take him or her to the vet right away. CCD is treatable, but there are also other diseases that can cause similar symptoms. You need to know what you and your dog are dealing with.

Video: What Canine Cognitive Dysfunction Can Look Like

This video shows different behaviors that are typical of canine cognitive dysfunction. They include the dog getting stuck behind things; forgetting what she is doing and (poignantly) repeatedly greeting her human after she forgets where she was; getting confused about the door; and circling.

Video: Dog Turning Circles

A video that shows both subtle and more obvious circling behaviors.

Photos: Canine Cognitive Dysfunction Gallery

My little Cricket lived for a long time with dog dementia. Besides the classic standing in corners and staring at walls, she often just stopped in strange positions and zoned out. She especially couldn’t get in dog beds correctly and would stop and rest in very strange positions sometimes.


  1. Maria says:

    My 16yo chihuahua mix has had CCD for about a year. He takes Anipryl daily along with nutritional supplements. For about the last month he has become VERY aggressive with us. He snarls and snaps whenever we get near hm. Just in the last two days he has bit me three times and my husband four times. I am worried that he will bite someone else. I’m wondering whether it is now time to put him down even though he’s still doing ok by all other standards.

    • Eileen Anderson says:

      Hi Maria,
      Every dog seems to take a different journey, and this one must be so distressing for you. Can you talk to your vet or a vet behaviorist about any other meds? It’s a long shot I guess, and they would have to fit with the Anipryl, but it would be worth asking. It’s really really hard emotionally to euthanize a dog because of behavior, but it can be a valid choice. I’m just so sorry you are faced with it. If it is all possible to consult with a veterinary behaviorist (it’s a medical specialty among vets)? They specialize in cases like yours. Sometimes they will consult with your own vet for free, or you can pay for a consult with a referral. Hugs and good luck.

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