Numerical magnitude processing in abacus-trained children with superior mathematical ability: an EEG study

Area of Science:

• Cognitive Neuroscience
• Developmental Psychology
• Educational Psychology

Background:

• The distance effect, a key indicator of numerical magnitude processing, is linked to mathematical abilities.
• A larger distance effect typically correlates with lower mathematical achievement in children.
• The impact of abacus-based mental calculation (AMC) training on numerical cognition and superior mathematical abilities remains under-explored.

Purpose of the Study:

• To investigate the relationship between the distance effect and superior mathematical abilities.
• To examine how AMC training influences numerical magnitude processing.
• To compare numerical processing in abacus-trained versus non-trained children.

Main Methods:

• Compared mathematical competencies between 18 abacus-trained and 18 non-trained children.
• Recorded electroencephalography (EEG) during numerical comparison tasks using Arabic digits and dot arrays.
• Analyzed behavioral and EEG data to assess distance effects and group differences.

Main Results:

• Abacus-trained children demonstrated superior mathematical abilities.
• Significant distance effects were observed in both behavioral and EEG data.
• Abacus-trained children exhibited a larger distance effect size in EEG late negative-going components for digit tasks.
• Notation (digits vs. dot arrays) modulated both behavioral and EEG distance effects.

Conclusions:

• AMC training modifies the neural substrates of numerical magnitude processing.
• Children with superior mathematical abilities, developed through AMC, may represent numerical magnitudes differently.
• Findings support a non-abstract representation of numerical magnitude.