A Map of Chronic Pain (image) NIH/National Institute of Neurological Disorders and Stroke Share Print E-Mail Caption Scientists used the structure of the brain's white matter (green lines) to predict whether a subject would recover from low back pain. Red dots represent differences in white matter structure between subjects who recovered and who suffered chronic pain. Credit Courtesy of Apkarian lab, Northwestern University Feinberg School of Medicine. Usage Restrictions Please use for educational purposes only. Share Print E-Mail 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.