The emergence of personality in animals: the need for a developmental approach.

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Output type: Other

Author list: Trillmich, Hudson

Publisher: Wiley

Publication year: 2011

Volume number: 53

Issue number: 6

Start page: 505

End page: 9

Number of pages: -495

ISSN: 0012-1630

eISSN: 1098-2302

Languages: English-Great Britain (EN-GB)

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Open access status: closed

Abstract

Interest has been growing among behavioral biologists in individual differences in animal behavior of the kind that can be considered to reflect differences in personality. Once considered the exclusive domain of human psychology, biologists have found evidence for personality across a wide range of species, while behavioral ecologist and theoretical biologists recognize the likely evolutionary origins and contribution to fitness of such. However, until recently most work has concentrated on ultimate questions of fitness and thus on adult animals, with little attention given to proximate, developmental origins. This is now changing, as approaches to studying animal personality broaden and methodologies are developed enabling this to be studied across periods of near continuous and often rapid ontogenetic change. Debate continues, however, about the right methodologies to characterize the phenomenon and attempt to do so in a comparable manner across taxa that differ as widely in the expression of "personality" as insects and mammals. This makes it necessary to discuss this field in an interdisciplinary context among psychologists and biologists, and was the rational for a meeting on "The Emergence of Personality in Animals" held in May 2010 at the Center for Interdisciplinary Research (Zentrum für Interdisziplinäre Forschung; ZiF), Bielefeld, Germany. The diversity of topics, viewpoints and organisms covered and the excitement created by the ensuing discussions is reflected in the resulting collection of papers forming this special issue.

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