Related Experiment Video
Updated: May 16, 2026
11:50
EEG Mu Rhythm in Typical and Atypical Development
Published on: April 9, 2014
Oscillatory EEG correlates of arithmetic strategies: a training study
Roland H Grabner1, Bert De Smedt
1Institute for Behavioral Sciences, Swiss Federal Institute of Technology Zurich, Switzerland.
Frontiers in Psychology
|November 20, 2012
Summary
This study shows that short-term training improves arithmetic fact retrieval and changes brain activity. These changes in theta and alpha bands were observed in both math and spatial tasks, suggesting a general learning effect.
Area of Science:
- Cognitive Neuroscience
- Mathematics Education
- Neurophysiology
Background:
- Research shows adults and children use different arithmetic strategies.
- Neurophysiological studies explore brain correlates of these strategies.
- Existing data lack insights into how brain activity changes with training.
Purpose of the Study:
- Investigate brain activity changes during fact retrieval strategy training.
- Determine if arithmetic learning effects generalize to other domains.
- Examine electroencephalography (EEG) correlates of learning.
Main Methods:
- Trained 20 adult students on multiplication and figural-spatial problems.
- Recorded brain activity using electroencephalography (EEG) during problem-solving.
- Analyzed oscillatory EEG data for training-related changes.
Main Results:
- Training improved accuracy (>90%) and reduced solution times for both problem types.
- Observed increased theta band (3-6 Hz) and decreased lower alpha band (8-10 Hz) activity.
- Training effects were evident in parietooccipital and parietal regions.
Conclusions:
- Short-term fact retrieval training significantly alters oscillatory EEG activity.
- Theta band activity is crucial for semantic information retrieval in mental arithmetic.
- Theta activity changes suggest sensitivity to fact retrieval across different learning domains.
