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