Processing of novel food reveals payoff and rank-biased social learning in a wild primate

Abstract Social learning—learning from others—is the basis for behavioural traditions. Different social learning strategies (SLS), where individuals biasedly learn behaviours based on their content or who demonstrates them, may increase an individual’s fitness and generate behavioural traditions. Wh...

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Autores principales:	Charlotte Canteloup, Mabia B. Cera, Brendan J. Barrett, Erica van de Waal
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c7f28436293f49bb83f177135e971401
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spelling	oai:doaj.org-article:c7f28436293f49bb83f177135e9714012021-12-02T16:51:31ZProcessing of novel food reveals payoff and rank-biased social learning in a wild primate10.1038/s41598-021-88857-62045-2322https://doaj.org/article/c7f28436293f49bb83f177135e9714012021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88857-6https://doaj.org/toc/2045-2322Abstract Social learning—learning from others—is the basis for behavioural traditions. Different social learning strategies (SLS), where individuals biasedly learn behaviours based on their content or who demonstrates them, may increase an individual’s fitness and generate behavioural traditions. While SLS have been mostly studied in isolation, their interaction and the interplay between individual and social learning is less understood. We performed a field-based open diffusion experiment in a wild primate. We provided two groups of vervet monkeys with a novel food, unshelled peanuts, and documented how three different peanut opening techniques spread within the groups. We analysed data using hierarchical Bayesian dynamic learning models that explore the integration of multiple SLS with individual learning. We (1) report evidence of social learning compared to strictly individual learning, (2) show that vervets preferentially socially learn the technique that yields the highest observed payoff and (3) also bias attention toward individuals of higher rank. This shows that behavioural preferences can arise when individuals integrate social information about the efficiency of a behaviour alongside cues related to the rank of a demonstrator. When these preferences converge to the same behaviour in a group, they may result in stable behavioural traditions.Charlotte CanteloupMabia B. CeraBrendan J. BarrettErica van de WaalNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Charlotte Canteloup Mabia B. Cera Brendan J. Barrett Erica van de Waal Processing of novel food reveals payoff and rank-biased social learning in a wild primate
description	Abstract Social learning—learning from others—is the basis for behavioural traditions. Different social learning strategies (SLS), where individuals biasedly learn behaviours based on their content or who demonstrates them, may increase an individual’s fitness and generate behavioural traditions. While SLS have been mostly studied in isolation, their interaction and the interplay between individual and social learning is less understood. We performed a field-based open diffusion experiment in a wild primate. We provided two groups of vervet monkeys with a novel food, unshelled peanuts, and documented how three different peanut opening techniques spread within the groups. We analysed data using hierarchical Bayesian dynamic learning models that explore the integration of multiple SLS with individual learning. We (1) report evidence of social learning compared to strictly individual learning, (2) show that vervets preferentially socially learn the technique that yields the highest observed payoff and (3) also bias attention toward individuals of higher rank. This shows that behavioural preferences can arise when individuals integrate social information about the efficiency of a behaviour alongside cues related to the rank of a demonstrator. When these preferences converge to the same behaviour in a group, they may result in stable behavioural traditions.
format	article
author	Charlotte Canteloup Mabia B. Cera Brendan J. Barrett Erica van de Waal
author_facet	Charlotte Canteloup Mabia B. Cera Brendan J. Barrett Erica van de Waal
author_sort	Charlotte Canteloup
title	Processing of novel food reveals payoff and rank-biased social learning in a wild primate
title_short	Processing of novel food reveals payoff and rank-biased social learning in a wild primate
title_full	Processing of novel food reveals payoff and rank-biased social learning in a wild primate
title_fullStr	Processing of novel food reveals payoff and rank-biased social learning in a wild primate
title_full_unstemmed	Processing of novel food reveals payoff and rank-biased social learning in a wild primate
title_sort	processing of novel food reveals payoff and rank-biased social learning in a wild primate
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/c7f28436293f49bb83f177135e971401
work_keys_str_mv	AT charlottecanteloup processingofnovelfoodrevealspayoffandrankbiasedsociallearninginawildprimate AT mabiabcera processingofnovelfoodrevealspayoffandrankbiasedsociallearninginawildprimate AT brendanjbarrett processingofnovelfoodrevealspayoffandrankbiasedsociallearninginawildprimate AT ericavandewaal processingofnovelfoodrevealspayoffandrankbiasedsociallearninginawildprimate
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Processing of novel food reveals payoff and rank-biased social learning in a wild primate

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