Covariation between personalities and individual differences in coping with stress: Converging evidence and hypotheses

Author:

Carere Claudio1,Caramaschi Doretta2,Fawcett Tim W.2

Affiliation:

1. Dipartimento di Ecologia e Sviluppo Economico Sostenibile, Università della Tuscia, Largo dell'Università s.n.c. 01100 Viterbo, Italy

2. GRIP, Université de Montréal 3050, Édouard-Montpetit, Montréal (Québec) Canada H3T 1J7

Abstract

Abstract In the past decade there has been a profusion of studies highlighting covariation between individual differences in stress physiology and behavioural profiles, here called personalities. Such individual differences in ways of coping with stress are relevant both in biomedicine, since different personalities may experience a different stress and disease vulnerability, and in behavioural ecology, since their adaptive value and evolutionary maintenance are the subject of debate. However, the precise way in which individual stress differences and personalities are linked is unclear. Here we provide an updated overview of this covariation across different species and taxa, consider its functional significance and present working hypotheses for how behavioural and physiological responses to stress might be causally linked, affecting life-history traits such as dispersal and life-span.

Publisher

Oxford University Press (OUP)

Subject

Animal Science and Zoology

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