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Canine tail chasing resembles human obsessive compulsive disorders
Date:8/20/2012

nt may be blamed for these behaviors. Although frustration and stress are likely to be significant causes of the occurrence of stereotypic behavior in for example zoo animals, they may be of lesser significance when it comes to Finnish dogs that are walked regularly.

Tail chasing in dogs can be used as an animal model for studying the genetic background of OCD in humans

Compared to the control dogs, tail chasers suffered more from also other stereotypic behaviors. In addition, tail chasers were more timid and afraid of loud noises.

"Different types of compulsive behavior occur simultaneously in humans suffering from obsessive compulsive disorder or other diseases such as autism" explains the head of the study, Professor Hannes Lohi.

Dogs may turn out to be of significant use in investigating the causes of human psychiatric diseases. "Stereotypic behavior occurs in dogs spontaneously; they share the same environment with humans, and as large animals are physiologically close to humans. Furthermore, their strict breed structure aids the identification of genes."

The gene region previously associated with compulsive flank licking and biting in Dobermans was not found to be associated with tail chasing in any of the breeds in this study. The next aim of this research project is thus to discover new gene regions connected to tail chasing.

The study is part of a larger DOGPSYCH project, funded by the European Research Council, in which the genetic background of different anxiety disorders, such as timidity, compulsive behavior and sound sensitivity are investigated, as well as their similarities with corresponding human diseases.


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Contact: Dr. Katriina Tiira
katriina.tiira@helsinki.fi
358-400-014-447
University of Helsinki
Source:Eurekalert

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