Arcuate Fasciculus Anterior (image) KU Leuven Caption The 'arcuate fasciculus anterior' (green) is a neural pathway that connects brain regions in the frontal and parietal lobes often used for arithmetic. The pathway is sheathed in myelin, or 'white matter'. The researchers found a positive correlation between the tract's white matter quality and proficiency in adding and multiplying. Credit © Leen Van Beek Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.