Data from: Social selectivity in aging wild chimpanzees

Alexandra Rosati, Lindsey Hagberg, Drew Enigk, Emily Otali, Melissa Emery Thompson, Martin Muller, Richard Wrangham & Zarin Machanda
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...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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