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Dog and Human Compulsive Disorders
Similar brain abnormalities in both species

A new study has found that Doberman pinschers with canine compulsive disorder (CCD) have abnormalities in brain structure that are much like the ones in humans who have obsessive compulsive disorder (OCD).  The study, conducted by eleven researchers, is called “Brain structural abnormalities in Doberman pinschers with canine compulsive disorder” and was published in the journal Progress in Neuro-Psychopharmacology and Biological Psychiatry.

The research suggests that more research about anxiety disorders in dogs may be a promising avenue for developing new ways to treat them in people. It also stands to reason that more research about anxiety in people may prove fruitful in finding new ways to alleviate suffering for dogs with similar problems.

Canines with CCD and humans with OCD typically perform repetitive behaviors. In humans, excessive hand-washing and endless checking that appliances are off or that doors are locked are common. In dogs, common behaviors are flank-sucking, blanket-sucking, licking and tail chasing. In both species, anxiety disorders can interfere with quality of life and daily routines, and can also cause injury as skin is chafed and rubbed raw by licking, washing, or sucking.

It’s no big surprise that the brains of affected individuals have similarities. After all, it has been known for a long time that members of both species exhibit related symptoms and respond to the same medications, and that there’s a genetic basis for these disorders in dogs as well as in humans. Still, the discovery that brain abnormalities are also alike adds to our understanding of the parallel nature of anxiety disorders in us and in our best friends.

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Karen B. London, PhD, is a Certified Applied Animal Behaviorist and Certified Professional Dog Trainer who specializes in working with dogs with serious behavioral problems, including aggression. She is the author of five books on canine training and behavior.

photo by xanister/Flickr

 

 

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