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Flexible usage and social function in primate vocalizations.

Dorothy L Cheney1, Robert M Seyfarth2

  • 1Department of Biology, University of Pennsylvania, Philadelphia, PA 19104; cheney@sas.upenn.edu.

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|February 13, 2018
PubMed
Summary
This summary is machine-generated.

Primate vocalizations facilitate social interactions by reducing uncertainty. Their usage, not repertoire size, is key to social bonding and reproductive success, offering insights into language evolution.

Keywords:
cognitionnonhuman primatessocial behaviorvocal usagevocalizations

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Area of Science:

  • Primate Ethology
  • Animal Communication
  • Evolutionary Psychology

Background:

  • Primate vocalizations are common but their precise functions remain unclear.
  • Understanding these calls is crucial for social bonding and reproductive success.

Purpose of the Study:

  • To review evidence supporting the role of primate vocalizations in social interaction.
  • To explore how vocal usage, rather than repertoire size, influences social dynamics.
  • To draw parallels with nonvocal social decision-making and early language evolution.

Main Methods:

  • Literature review of studies on primate vocal communication.
  • Analysis of vocal usage flexibility in different social contexts.
  • Comparison with human and other animal communication systems.

Main Results:

  • Primate vocalizations reduce uncertainty about signaler intentions, aiding social interactions.
  • Vocal usage is highly adaptable to social context, listener relationships, and predicted responses.
  • Primates possess limited vocal repertoire modification but extensive usage flexibility.

Conclusions:

  • Primate vocalizations are vital for establishing and maintaining social bonds.
  • The adaptive use of calls, not just repertoire size, is a significant factor in social success.
  • Decision-making processes in vocalizing may mirror those in nonvocal social interactions, informing language evolution theories.