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Area of Science:

  • Cognitive Neuroscience
  • Educational Psychology
  • Mathematics Education

Background:

  • Fractions present significant learning challenges for individuals of all ages.
  • Behavioral studies indicate number line estimation (NLE) training can improve fraction magnitude processing.
  • Neural underpinnings of fraction learning remain largely unexplored.

Purpose of the Study:

  • To investigate the neuro-cognitive basis of fraction learning.
  • To assess the impact of NLE training on behavioral performance and neural correlates of fraction processing.

Main Methods:

  • A five-day NLE training program was administered.
  • Behavioral performance and neural activity were measured before and after the training.
  • Neuroimaging techniques were used to identify brain regions involved in fraction magnitude processing.

Main Results:

  • Behavioral performance in all evaluation tasks significantly improved post-training.
  • A fronto-parietal network associated with number magnitude processing was consistently activated.
  • A numerical distance effect in intraparietal activation for symbolic fractions emerged only after NLE training.

Conclusions:

  • Pre-training, symbolic fractions may have had less automatic access to magnitude representation.
  • NLE training enhances the neural processing of overall fraction magnitude.
  • The study provides insights into the neural mechanisms supporting fraction learning.