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The mouse is a common model used in research as a way of studying human biology and diseases, but a new study questions whether this is an accurate approach considering some stark differences - aside from many similarities - between the two species.

Similar to humans who have obsessive compulsive disorder, dogs exhibit compulsive behaviors, in which they might repetitively spin around, chase their tail, bark, chew, or suck on a toy or a part of their body for an excessive amount of time. In the latest study from Tufts University, researchers identified genetic pathways that increase the severity of canine compulsive disorders in Doberman pinschers. This discovery may lead to the development of improved treatments and therapies for obsessive compulsive disorder (OCD) in people.