Cultural flies: Conformist social learning in fruitflies predicts long-lasting mate-choice traditions

Danchin, Etienne, Noebel, Sabine, Pocheville, Arnaud, Dagaeff, Anne-Cécile, Demay, Léa, Alphand, Mathilde, Ranty-Roby, Sarah, Van Renssen, Lara, Monier, Magdalena, Allain, Mélanie and Isabel, Guillaume (2018) Cultural flies: Conformist social learning in fruitflies predicts long-lasting mate-choice traditions. Science, 362 (6418). pp. 1025-1030.

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Official URL: http://tse-fr.eu/pub/33127

Abstract

Despite theoretical justification for the evolution of animal culture, empirical evidence for it beyond mammals and birds remains scant, and we still know little about the process of cultural inheritance. In this study, we propose a mechanism-driven definition of animal culture and test it in the fruitfly. We found that fruitflies have five cognitive capacities that enable them to transmit mating preferences culturally across generations, potentially fostering persistent traditions (the main marker of culture) in mating preference. A transmission chain experiment validates a model of the emergence of local traditions, indicating that such social transmission may lead initially neutral traits to become adaptive, hence strongly selecting for copying and conformity. Although this situation was suggested decades ago, it previously had little empirical support.

Item Type: Article
Language: English
Date: 30 November 2018
Refereed: Yes
Subjects: B- ECONOMIE ET FINANCE
Divisions: TSE-R (Toulouse)
Site: UT1
Date Deposited: 04 Dec 2018 14:02
Last Modified: 04 Dec 2018 14:02
OAI ID: oai:tse-fr.eu:33127
URI: http://publications.ut-capitole.fr/id/eprint/26538

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