Activation Signals Move Across Brain (video) Massachusetts General Hospital Loading video... Caption Patterns of activation induced by listening to human speech move across brain hemispheres over a period of 300 milliseconds in these images, produced by combining data from EEG, MEG and MRI studies. Credit (A. Conrad Nied and David W. Gow, PhD; Neuropsychology Laboratory and Martinos Center for Biomedical Imaging, Massachusetts General Hospital. Supported by grants from the National Institute for Deafness and other Communication Disorders, the MIND Institute and the National Center for Research Resources.) 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.