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Social Stress in Tree Shrews as an Animal Model of Depression: An Example of a Behavioral Model of a CNS Disorder

Published online by Cambridge University Press:  07 November 2014

Eberhard Fuchs
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Abstract

Animal models are invaluable in preclinical research on human psychopathology. Valid animal models to study the pathophysiology of depression and specific biological and behavioral responses to antidepressant drug treatments are of prime interest. In order to improve our knowledge of the causal mechanisms of stress-related disorders such as depression, we need animal models that mirror the situation seen in patients. One promising model is the chronic psychosocial stress paradigm in male tree shrews. Coexistence of two males in visual and olfactory contact leads to a stable dominant/subordinate relationship, with the subordinates showing obvious changes in behavioral, neuroendocrine, and central nervous activity that are similar to the signs and symptoms observed during episodes of depression in patients.

Type
Review Articles
Information
CNS Spectrums , Volume 10 , Issue 3 , March 2005 , pp. 182 - 190
Copyright
Copyright © Cambridge University Press 2005

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