Dementia is a condition that affects both humans and dogs, although it is referred to as cognitive dysfunction syndrome (CDS) in canines. Research suggests that up to 60% of dogs over the age of 11 may be impacted by this syndrome, which can significantly distress their owners.
Identifying CDS can be challenging as its signs often overlap with normal ageing. These symptoms can include altered sleeping habits, changes in social behaviour, and confusion in familiar surroundings. A recent study conducted by North Carolina State University has highlighted a possible physical indicator of dog dementia: changes in the length of the front legs’ stride.
While this research does not claim that stride length alone can diagnose CDS, it indicates that measuring front-leg stride may offer a practical approach for monitoring ageing dogs, alongside cognitive evaluations and veterinary assessments. Veterinary neurologist Natasha Olby noted that the reduction in stride length is more closely linked to cognitive decline than age itself.
The study evaluated 88 elderly dogs, including various breeds and both genders. Each dog was required to have lived at least 75% of its expected lifespan based on size and breed. The research involved comprehensive tests assessing physical and neurological functions. Observations showed that shorter stride lengths corresponded with lower cognitive scores, but only in the front legs.
The findings suggest that monitoring dogs’ walking patterns could be an effective method to detect early signs of canine dementia. While changes in stride may not definitively mean a dog is developing dementia, they should prompt owners to consult a vet, as other health issues may also be at play. Future research aims to explore these indicators further in larger groups of dogs with varying health conditions.
