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The semantic system is involved in mathematical problem solving.

Xinlin Zhou1, Mengyi Li2, Leinian Li1

  • 1State Key Laboratory of Cognitive Neuroscience and Learning, IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing 100875, China; Beijing Advanced Innovation Center for Future Education, Beijing Normal University, Beijing 100875, China; Siegler Center for Innovative Learning, Beijing Normal University, Beijing 100875, China.

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|November 14, 2017
PubMed
Summary
This summary is machine-generated.

Advanced mathematical problem solving relies on the brain's semantic system, distinct from regions used for basic arithmetic. This neuroimaging study clarifies the neural basis of complex mathematical thought.

Keywords:
Functional magnetism resonance imagingMathematical problem solvingMathematical processingSemantic system

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Mathematics

Background:

  • Bilateral intraparietal cortex is crucial for number processing and arithmetic.
  • Neural mechanisms underlying advanced mathematical problem solving are not well understood.

Purpose of the Study:

  • To compare the neural bases of mathematical problem solving and arithmetical computation.
  • To identify brain regions supporting complex mathematical reasoning.

Main Methods:

  • Functional magnetic resonance imaging (fMRI) was used.
  • Participants (N=24 undergraduate students) engaged in mathematical problem solving and arithmetical computation tasks.
  • Activation patterns were compared between task types.

Main Results:

  • Mathematical problem solving showed greater activation in all 7 regions of the semantic system compared to arithmetical computation.
  • Arithmetical computation showed greater activation in the supplementary motor area and left precentral gyrus.

Conclusions:

  • The semantic system plays a significant role in supporting advanced mathematical problem solving.
  • Distinct neural circuits are involved in basic arithmetic versus complex mathematical reasoning.