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Data from: Social selectivity in aging wild chimpanzees

Citation

Rosati, Alexandra et al. (2020), Data from: Social selectivity in aging wild chimpanzees, Dryad, Dataset, https://doi.org/10.5061/dryad.j3tx95xbx

Abstract

Humans prioritize close, positive relationships during aging, and socioemotional selectivity theory proposes that this shift causally depend on capacities for thinking about personal future time horizons. To examine this theory, we tested for key elements of human social aging in longitudinal data on wild chimpanzees. Aging male chimpanzees have more mutual friendships characterized by high, equitable investment, whereas younger males have more one-sided relationships. Older males are more likely to be alone, but they also socialize more with important social partners. Further, males show a relative shift from more agonistic interactions to more positive, affiliative interactions over their life span. Our findings indicate that social selectivity can emerge in the absence of complex future-oriented cognition, and they provide an evolutionary context for patterns of social aging in humans.

Methods

See methods in the manuscript for all details.

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Funding

National Institutes of Health, Award: NIH-R01AG04395

National Science Foundation, Award: NSF- 1926653

National Science Foundation, Award: NSF-1926737

National Science Foundation, Award: NSF-1926352

National Science Foundation, Award: NSF-1355014

National Science Foundation, Award: NSF-9807448

National Science Foundation, Award: NSF-0416125

National Science Foundation, Award: GRFP DGE-0237002

Sloan Foundation, Award: FG‐2019‐12054

Leakey Foundation