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On the murky dissociation between expression and communication.

Elizabeth Warren1, Josep Call1, György Gergely2

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Summary
This summary is machine-generated.

This study explores the cognitive evolution of ostensive communication, examining expression versus communication distinctions. It addresses ambiguities, inconsistencies across species, and the role of mentalizing in nonhuman primates.

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Area of Science:

  • Cognitive Science
  • Evolutionary Biology
  • Primatology

Background:

  • Ostensive communication, crucial for social learning, has complex cognitive underpinnings.
  • Distinguishing between expression and communication is vital but faces theoretical challenges.

Purpose of the Study:

  • To outline the evolutionary trajectory of cognitive foundations for ostensive communication.
  • To critically analyze problematic aspects of the expression vs. communication distinction.

Main Methods:

  • Conceptual analysis of existing theories on ostensive signaling.
  • Comparative review of communication mechanisms across different taxa.
  • Examination of evidence for mentalizing abilities in nonhuman primates.

Main Results:

  • Identified ambiguity in the "complementary mechanisms" principle.
  • Highlighted inconsistencies in applying the expression/communication distinction across species.
  • Challenged the dismissal of mentalizing in nonhuman primates.

Conclusions:

  • The current distinction between expression and communication requires refinement.
  • Further research is needed to understand the evolution of complex communication and mentalizing in primates.