Physiological Noise in Gradient Echo and Spin Echo EPI at 3 T and 7 T

C. Triantafyllou, J. R. Polimeni, M. Elschot, and L. L. Wald A.A. Martinos Imaging Center, McGovern Institute for Brain Research, MIT, Cambridge, MA, United States, A.A. Martinos Center for Biomedical Imaging, Department of Radiology, MGH, Charlestown, MA, United States, Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, Netherlands, Harvard-MIT Division of Health Sciences and Technology, MIT, Cambridge, MA, United States