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Explaining the Paradox of Neophobic Explorers: The Social Information Hypothesis

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Abstract

How animals react to novel food and objects is commonly thought of as a crucial step toward innovations. One would therefore expect innovative species to be attracted to novelty and benefit from a combination of low neophobia and a high motivation to explore. Here we draw attention to the innovation paradox: the most innovative species tend to show neophobic reactions when confronted with novel objects or food, but can use social cues to overcome their initial neophobia. Work on novelty response has highlighted the role of ecological factors as determinants of neophobia and exploration tendency. We examine social influences on novelty response and present the idea that social factors enable some species to maintain the paradoxical combination of high neophobia and high exploration tendency. We compare primates with other species, to assess the extent to which primates are unusual. We review empirical studies that show how intrinsic neophobia is generally overcome by social facilitation and social information, i.e., the presence of experts, especially in species with slow life history, probably because social information reduces risk. We also briefly discuss the role of environmental risk in reducing intrinsic neophobia, in particular its absence in captivity. We draw attention to a strong neophobia-reducing effect of being in captivity, due to humans acting as sources of social information. We propose that species showing the paradoxical combination of strong neophobia and strong exploration tendency use social information to select aspects of the environment worth exploring. The social information hypothesis thus offers an explanation for the paradox of neophobic explorers.

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Acknowledgments

We are grateful to following foundations that have supported funding for this study; A. H. Schultz Foundation (Switzerland), Waldemar von Frenckell Foundation (Finland), Ella and Georgh Ehrnrooth Foundation (Finland), and Oskar Öflund Foundation (Finland). Moreover, we also thank our anonymous reviewers and our editor for their useful feedback.

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  1. Department of Anthropology, University of Zurich, CH-8057, Zurich, Switzerland

    Sofia I. F. Forss, Sonja E. Koski & Carel P. van Schaik

  2. Finnish Centre of Excellence in Intersubjectivity in Interaction, University of Helsinki, 00100, Helsinki, Finland

    Sonja E. Koski

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  1. Sofia I. F. Forss
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Correspondence to Sofia I. F. Forss.

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Forss, S.I.F., Koski, S.E. & van Schaik, C.P. Explaining the Paradox of Neophobic Explorers: The Social Information Hypothesis. Int J Primatol 38, 799–822 (2017). https://doi.org/10.1007/s10764-017-9984-7

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