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How the mouth became symbolic.

Luca S Rinaldi1, Vittorio Gallese2

  • 1Department of Medicine and Surgery, Unit of Neuroscience, University of Parma, Parma, Italy.

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Summary

Language origins trace back to early bodily experiences, not abstract symbols. Haptic and oral interactions ground concepts, with the mouth serving as a key cognitive organ for language evolution.

Keywords:
affordanceembodied cognitionlanguage acquisitionmirror systemoral stereognosissound symbolism

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Area of Science:

  • Cognitive Science
  • Neuroscience
  • Linguistics

Background:

  • Theories of language origin often focus on abstract symbols.
  • Early sensorimotor experiences are crucial for cognitive development.

Purpose of the Study:

  • To propose that language roots lie in early bodily experiences, specifically haptic and oral interactions.
  • To suggest language evolved through neural reuse of circuits for ingestion and action understanding.

Main Methods:

  • Theoretical framework integrating sensorimotor patterns, affordances, embodied simulation, and sound symbolism.
  • Tracing a pathway from bodily experience to symbolic reference in language acquisition.

Main Results:

  • Early haptic and oral interactions ground conceptual knowledge through active exploration.
  • The mouth functions as a cognitive organ for tactile perception and intersubjective exchange.
  • Neural reuse of ingestion/action circuits, shaped by affordances and sound symbolism, may underlie language evolution.

Conclusions:

  • Language acquisition arises from sensorimotor patterns to iconic vocal forms, linking bodily experience to symbolic reference.
  • Bodily experience, particularly oral and haptic, provides the foundation for symbolic representation in language.
  • Evolutionary perspective suggests language emerged from repurposing existing neural circuits for embodied functions.