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Related Experiment Videos

Communication in animals

G Adám1

  • 1Department of Comparative Physiology, Eötvös Lóránd University, Budapest, Hungary.

Acta Neurochirurgica. Supplementum
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

This study explores animal communication precursors to human speech, focusing on mammals like monkeys and apes. While brain lateralization shows continuity, animal communication fundamentally differs from human speech.

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Area of Science:

  • Comparative Linguistics
  • Primatology
  • Neuroscience
  • Evolutionary Biology

Background:

  • Investigates the evolutionary origins of human speech by examining animal communication systems.
  • Focuses on higher mammals, specifically monkeys and apes, for insights into communication continuity.
  • Addresses the debate on continuity versus discontinuity in interspecies communication.

Purpose of the Study:

  • To identify potential forerunners of human speech in animal communication.
  • To evaluate evidence for continuity in cognitive abilities and brain structures related to speech.
  • To assess the degree of discontinuity between animal communication and human speech.

Main Methods:

  • Review of anatomical structures and physiological mechanisms potentially ancestral to speech.

Related Experiment Videos

  • Analysis of research on anthropoid ape communication experiments (e.g., ASL, token systems).
  • Examination of brain lateralization and cognitive parallels in animal communication.

    • Main Results:

    • Identified three key ancestral structures: mimic facial muscles, laryngeal membranes, and brain hemispheric asymmetries.
    • Experimental studies with apes show some continuity in cognitive abilities and brain lateralization.
    • Despite continuities, a significant discontinuity exists between animal communication and the complexity of human speech.

    Conclusions:

    • Human speech likely evolved from ancient biological structures and cognitive capacities found in mammals.
    • Evidence supports continuity in brain lateralization and certain cognitive functions related to communication.
    • A clear discontinuity marks the transition from animal communication to the unique properties of human speech.