ECMO Neuromonitoring 2 (IMAGE) University of Rochester Caption Diffuse correlation spectroscopy (DCS) uses near-infrared light to non-invasively measure blood flow about one centimeter into brain tissue. Credit University of Rochester photo / J. Adam Fenster Usage Restrictions N/A 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.