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Early neural markers for individual difference in mathematical achievement determined from rational number processing
Pingting Lin1, Xinlin Zhou2, Shiyi Zang1
1School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, Jiangsu, PR China; Key Laboratory of Child Development and Learning Science (Southeast University), Ministry of Education, Nanjing, 210096, Jiangsu, PR China; Research Center for Learning Science, Southeast University, Nanjing, 210096, Jiangsu, PR China.
Neuropsychologia
|January 27, 2023
Summary
High-achieving math students show distinct brain activity patterns. Event-related potentials (ERPs) reveal differences in preparation and number processing, suggesting neural markers for mathematical ability.
Area of Science:
- Cognitive Neuroscience
- Neuroscience of Mathematics
- Electrophysiology
Background:
- Individual differences in mathematical achievement are well-studied using fMRI.
- High temporal resolution electrophysiological evidence for these differences requires further investigation.
- Event-related potentials (ERPs) offer a method to explore neural correlates of mathematical ability.
Purpose of the Study:
- To investigate the electrophysiological differences between individuals with high and low mathematical achievement.
- To identify neural markers associated with processing non-symbolic and symbolic rational numbers.
- To correlate brain activity patterns with behavioral performance in numerical tasks.
Main Methods:
- Recruited 48 college students, divided into high (HA) and low (LA) mathematical achievement groups.
- Utilized event-related potential (ERP) recordings during non-symbolic and symbolic rational number matching tasks.
- Analyzed behavioral data (performance and reaction time) alongside ERP components (Bereitschaftspotential, N1, P1).
Main Results:
- High mathematical achievers (HA) demonstrated superior performance in discretized non-symbolic number matching.
- Before stimulus presentation, HA students showed greater Bereitschaftspotential (BP) amplitudes.
- Post-stimulus, HA students exhibited larger N1 (non-symbolic) and P1 (symbolic) amplitudes over specific left-lateralized electrodes.
- Larger BP and N1 amplitudes correlated with faster reaction times; larger P1 amplitudes correlated with lower error rates.
Conclusions:
- Left-lateralized N1 and P1 components elicited during rational number matching serve as neurocognitive markers for individual differences in mathematical achievement.
- Early electrophysiological differences, including BP, N1, and P1, reflect distinct preparation and number processing strategies.
- These findings contribute to understanding the neural basis of mathematical ability using high temporal resolution electrophysiology.
Keywords:
Event‐related potentialIndividual differenceMathematical achievementNon-symbolic processingRational numberSymbolic processingMore Related Videos
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