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Shifting sociality during primate ageing.

Zarin P Machanda1, Alexandra G Rosati2,3

  • 1Department of Anthropology, Tufts University, Medford, MA, USA.

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
|September 21, 2020
PubMed
Summary
This summary is machine-generated.

Social ageing in primates shows varied patterns, unlike humans. Factors like social structure and dominance influence these changes, offering insights into human social evolution.

Keywords:
ageinglifespanprimatessocial behavioursocial cognition

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Area of Science:

  • Evolutionary biology
  • Primatology
  • Social psychology

Background:

  • Humans experience significant age-related changes in social behavior and cognition.
  • Understanding social ageing in non-human primates can illuminate evolutionary pathways.

Purpose of the Study:

  • To investigate if social ageing patterns in primates mirror human trends.
  • To explore the evolutionary consequences of social shifts during ageing in primates.
  • To identify factors modulating social ageing across primate species.

Main Methods:

  • Synthesis of empirical evidence on primate social behavior and cognition across the lifespan.
  • Focus on three key aspects: engagement, valence of social interactions, and influence.
  • Comparative analysis across different primate species.

Main Results:

  • Observed significant variation in social ageing trajectories among primate species.
  • Identified social organization, sex, and dominance status as potential modulators.
  • No universal pattern of social ageing comparable to humans was found.

Conclusions:

  • Primate social ageing is diverse, influenced by species-specific factors.
  • Comparative studies are crucial for contextualizing human social ageing.
  • Findings contribute to understanding the evolution of ageing processes in primates.