Ultra-high-res MRI Reveals Migraine Brain Changes (IMAGE) Radiological Society of North America Caption (A) Punctate deep white matter hyperintensities (WMH) (arrows) on sagittal T2-weighted MRI, more prominent in the frontal lobes. (B) Migraine-free control without punctate WMH. Credit RSNA and Wilson Xu Usage Restrictions May use with credit. License Original content 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.