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Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics (BM-PROMA)
Published on: August 28, 2021
Brain correlates of mathematical competence in processing mathematical representations.
Roland H Grabner1, Gernot Reishofer, Karl Koschutnig
1Research on Learning and Instruction, Institute for Behavioral Sciences, Swiss Federal Institute of Technology Zurich Switzerland.
Frontiers in Human Neuroscience
|November 10, 2011
Summary
Higher mathematical competence is linked to increased left angular gyrus (AG) activity, suggesting better processing of mathematical symbols, not just arithmetic skills. This brain difference was observed even without calculation demands.
Area of Science:
- Neuroscience
- Cognitive Science
- Mathematics Education
Background:
- Mathematical competence involves extracting numerical information from diverse formats like equations and diagrams.
- Previous research linked mathematical ability to left angular gyrus (AG) activity, often in the context of mental arithmetic and fact retrieval.
- The neural basis for processing various mathematical representations remains largely unexplored.
Purpose of the Study:
- To investigate the brain correlates of mathematical competence using functional magnetic resonance imaging (fMRI).
- To examine how individuals with varying mathematical abilities process information from symbolic equations and bar charts.
- To differentiate neural activity related to general mathematical representation processing versus arithmetic calculation.
Main Methods:
- Functional magnetic resonance imaging (fMRI) was employed with 28 adults categorized by mathematical competence (lower vs. higher).
- Participants completed a representation matching task, comparing numerical information from symbolic equations and bar charts.
- Three task conditions were used: two non-arithmetic and one involving calculation.
Main Results:
- Both competence groups performed similarly on non-arithmetic tasks, but higher competence individuals were more accurate when calculation was required.
- Consistently stronger left angular gyrus (AG) activation was observed in more mathematically competent individuals across all task conditions.
- These competence-related activation differences in the parietal lobe were present regardless of arithmetic demands.
Conclusions:
- Stronger left AG activation in mathematically competent individuals may reflect enhanced proficiency in processing mathematical symbols and representations.
- Cognitive differences underlying mathematical competence extend beyond arithmetic fact retrieval.
- Neural differences associated with mathematical competence can be observed independently of task performance variations.
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