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      Neuroendocrinology of coping styles: Towards understanding the biology of individual variation

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      Frontiers in Neuroendocrinology
      Elsevier BV

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          Abstract

          Individual variation in behavior and physiology is a widespread and ecologically functional phenomenon in nature in virtually all vertebrate species. Due to domestication of laboratory animals, studies may suffer from a strong selection bias. This paper summarizes behavioral, neuroendocrine and neurobiological studies using the natural individual variation in rats and mice. Individual behavioral characteristics appear to be consistent over time and across situations. The individual variation has at least two dimensions in which the quality of the response to a challenging condition (coping style) is independent from the quantity of that response (stress reactivity). The neurobiology reveals important differences in the homeostatic control of the serotonergic neuron and the neuropeptides vasopressin and oxytocin in relation to coping style. It is argued that a careful exploitation of the broad natural and biologically functional individual variation in behavior and physiology may help in developing better animal models for understanding individual disease vulnerability. Copyright 2010 Elsevier Inc. All rights reserved.

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          Author and article information

          Journal
          Frontiers in Neuroendocrinology
          Frontiers in Neuroendocrinology
          Elsevier BV
          00913022
          July 2010
          July 2010
          : 31
          : 3
          : 307-321
          Article
          10.1016/j.yfrne.2010.04.001
          20382177
          45acdf4a-32d5-4fb2-8bcb-fe7c574ccfe0
          © 2010

          https://www.elsevier.com/tdm/userlicense/1.0/

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