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Language: Life without numbers.

Susan J Hespos1

  • 1Department of Psychology and Human Development, Peabody College #512, Vanderbilt University, 230 Appleton Place, Nashville, Tennessee 37203, USA. s.hespos@vanderbilt.edu

Current Biology : CB
|November 9, 2004
PubMed
Summary
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Language shapes thought, even for numbers. A study on an Amazonian group with limited number words reveals how language influences our ability to grasp numeric quantities.

Area of Science:

  • Cognitive Science
  • Linguistics
  • Anthropology

Background:

  • The relationship between language and thought is a long-standing debate in cognitive science.
  • Previous research suggests linguistic structures can influence non-linguistic cognition.
  • The existence of cultures with limited numerical vocabulary presents a unique opportunity to study this interaction.

Purpose of the Study:

  • To investigate whether the absence of specific number words impacts the ability to perceive and reason about numerical quantities.
  • To explore the cognitive consequences of a limited linguistic system for numbers.
  • To provide insights into the Sapir-Whorf hypothesis regarding language's influence on thought.

Main Methods:

  • Cross-cultural study involving an Amazonian indigenous group with a restricted number word system (e.g., 'one', 'two', 'many').

Related Experiment Videos

  • Cognitive tasks designed to assess quantity discrimination and numerical reasoning in participants.
  • Comparison of performance with control groups possessing a full range of number words.

    • Main Results:

    • Participants demonstrated difficulties in precise quantity discrimination beyond 'two'.
    • Performance on tasks requiring exact numerical representation was significantly impaired compared to controls.
    • Evidence suggests that the lack of number words limits the development of abstract numerical concepts.

    Conclusions:

    • The findings support the idea that language, specifically the availability of number words, plays a crucial role in the development of numerical cognition.
    • Linguistic limitations can directly impact an individual's capacity for abstract numerical thought.
    • This research offers valuable insights into the interdependence of language, culture, and cognitive abilities.