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Functional brain segregation changes during demanding mathematical task.

Amir Hossein Ghaderi1,2,3, Mohammad Ali Nazari3, Amir Hossein Darooneh4

  • 1a Vision: Science to Applications (VISTA) Program , York University , Toronto , ON , Canada.

The International Journal of Neuroscience
|February 24, 2019
PubMed
Summary
This summary is machine-generated.

Solving complex math problems disrupts brain connectivity in the alpha band but enhances it in the beta band, suggesting intricate neural network involvement. This research clarifies the brain activity during demanding mathematical tasks.

Keywords:
Neural networksbrain segregationmath anxietyproblem solving

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • The neural underpinnings of complex mathematical problem-solving remain largely undefined.
  • Demanding mathematical tasks involve higher-order cognition and intricate functional neural network interactions.

Purpose of the Study:

  • To investigate the functional connectivity of brain networks during demanding mathematical problem-solving.
  • To clarify the role of different brainwave bands (alpha, beta, theta) in mathematical cognition.

Main Methods:

  • Utilized electroencephalography (EEG) to record brain activity in 20 participants during an arithmetic logic puzzle task.
  • Analyzed network properties including clustering coefficient, transitivity, global efficiency, degree, and entropy in rest and task conditions.

Main Results:

  • Observed disrupted brain connectivity and reduced segregation in the alpha band during problem-solving.
  • Noted increased connectivity, transitivity, clustering, and modularity in the beta band.
  • Found no significant alterations in brain network function within the theta band.

Conclusions:

  • Decreased alpha band coupling may indicate interrupted default mode network activity during demanding math tasks.
  • The central executive network's involvement might be less pronounced, as indicated by stable theta band function.
  • Increased functional brain network segregation, without enhanced integration, highlights the complex neural demands of mathematical problem-solving.