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The human fear paradox: Affective origins of cooperative care

Published online by Cambridge University Press:  18 April 2022

Tobias Grossmann Open the ORCID record for Tobias Grossmann [Opens in a new window]
Tobias Grossmann*
Affiliation:
Department of Psychology, University of Virginia, Charlottesville, VA 22904, USA grossmann@virginia.edu
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Abstract

Already as infants humans are more fearful than our closest living primate relatives, the chimpanzees. Yet heightened fearfulness is mostly considered maladaptive, as it is thought to increase the risk of developing anxiety and depression. How can this human fear paradox be explained? The fearful ape hypothesis presented herein stipulates that, in the context of cooperative caregiving and provisioning unique to human great ape group life, heightened fearfulness was adaptive. This is because from early in ontogeny fearfulness expressed and perceived enhanced care-based responding and provisioning from, while concurrently increasing cooperation with, mothers and others. This explanation is based on a synthesis of existing research with human infants and children, demonstrating a link between fearfulness, greater sensitivity to and accuracy in detecting fear in others, and enhanced levels of cooperative behaviors. These insights critically advance current evolutionary theories of human cooperation by adding an early-developing affective component to the human cooperative makeup. Moreover, the current proposal has important cultural, societal, and health implications, as it challenges the predominant view in Western, educated, industrialized, rich, and democratic (WEIRD) societies that commonly construe fearfulness as a maladaptive trait, potentially ignoring its evolutionary adaptive functions.

Keywords

affectbraincooperationdevelopmentevolutionfear

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Behavioral and Brain Sciences , Volume 46 , 2023 , e52
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Copyright © The Author(s), 2022. Published by Cambridge University Press

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