Human Nature

, Volume 25, Issue 2, pp 181–199 | Cite as

Adaptive Content Biases in Learning about Animals across the Life Course



Prior work has demonstrated that young children in the US and the Ecuadorian Amazon preferentially remember information about the dangerousness of an animal over both its name and its diet. Here we explore if this bias is present among older children and adults in Fiji through the use of an experimental learning task. We find that a content bias favoring the preferential retention of danger and toxicity information continues to operate in older children, but that the magnitude of the bias diminishes with age and is absent in adults. We also find evidence that fitness costs likely impact the types of mistakes that participants make in their attributions of dangerousness and poisonousness. These results suggest that natural selection has shaped the way in which we learn and make inferences about unfamiliar animal species over ontogeny, and that future research is needed on how content biases may vary across the life course.


Content bias Prepared learning Social learning Cultural transmission Danger Memory 

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • James Broesch
    • 1
  • H. Clark Barrett
    • 2
  • Joseph Henrich
    • 3
  1. 1.Department of Population Health SciencesUniversity of Wisconsin-MadisonMadisonUSA
  2. 2.Center for Behavior, Evolution, and Culture and FPR-UCLA Center for Culture, Brain, and Development, Department of AnthropologyUCLALos AngelesUSA
  3. 3.Departments of Psychology and EconomicsUniversity of British ColumbiaVancouverCanada

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