ArticleiScience2026
Chimpanzee locomotor risk-taking points to the importance of parental and alloparental supervision in humans.
Article in iScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
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Abstract
Adolescence is generally considered the life stage with peak risk-taking among humans, though this may be specific to the type of risk. To circumvent the safety constraints that limit experiments of physical risk-taking in humans, we used the natural behavior of wild chimpanzees as a model. All chimpanzees must navigate the same arboreal substrates where falls from the tree canopy are a major cause of trauma, and therefore have clear fitness consequences. Using instances of locomotor free flight as a proxy, we found that height from the ground and sex did not predict physical risk-taking. The latter finding is similar to human and chimpanzee economic risk-taking studies. We found that physical risk-taking correlated with age, peaking in infancy and decreasing gradually thereafter through juvenility and adolescence. We hypothesize that a similar pattern would be exhibited in humans if oversight were relaxed earlier in childhood, as it is among chimpanzees.
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