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Related Experiment Videos

Arithmetic processing in the brain shaped by cultures.

Yiyuan Tang1, Wutian Zhang, Kewei Chen

  • 1Institute of Neuroinformatics and Laboratory for Brain and Mind, Dalian University of Technology, Dalian 116023, China.

Proceedings of the National Academy of Sciences of the United States of America
|July 4, 2006
PubMed
Summary
This summary is machine-generated.

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Native Chinese and English speakers process Arabic numbers differently in the brain. While English speakers use language areas, Chinese speakers engage visuo-premotor networks, influenced by cultural and reading factors.

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Cross-cultural Psychology

Background:

  • Arabic numerals are universally used in mathematics.
  • Cross-cultural differences in language and culture may influence numerical cognition.
  • Previous research has not fully explored the neural basis of numerical processing across diverse linguistic groups.

Purpose of the Study:

  • To investigate whether Arabic numerals are processed similarly across different language speakers (Chinese vs. English).
  • To identify differential cortical representations and brain network engagement during numerical tasks.
  • To explore the impact of cultural and reading experiences on numerical cognition.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used to scan native Chinese and English speakers.

Related Experiment Videos

  • Participants performed mental calculation (addition) and numerical quantity comparison tasks.
  • fMRI connectivity analyses examined functional distinctions between brain networks in both groups.

    • Main Results:

    • Native English speakers primarily utilized left perisylvian language cortices for mental addition.
    • Native Chinese speakers engaged a visuo-premotor association network for the same task.
    • Both groups activated the inferior parietal cortex for quantity comparison, but with distinct network connectivity.

    Conclusions:

    • The biological encoding of numbers is differentially represented in the brain based on language and cultural background.
    • Visual reading experience and cultural factors (e.g., math learning strategies, education systems) significantly shape numerical processing.
    • Differences in numerical cognition cannot be solely attributed to linguistic variations.