Structural brain imaging with high-resolution 3D MRI on the Next-Generation 7T brain scanner
Alexander JS Beckett1,2, Jingjia Chen3, Shajan Gunamony4,5, An T Vu6,7, Salvatore Torrisi1,2, Chunlei Liu1,3, Jason Stockmann8,9, and David A Feinberg1,2
1Helen Wills Neuroscience Institute, University of California, Berkeley, CA, United States, 2Advanced MRI Technologies, Sebastopol, CA, United States, 3Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, United States, 4Imaging Centre of Excellence, University of Glasgow, Glasgow, United Kingdom, 5MR CoilTech Limited, Glasgow, United Kingdom, 6Radiology, University of California, San Francisco, CA, United States, 7San Francisco Veteran Affairs Health Care System, San Francisco, CA, United States, 8Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Charlestown, MA, United States, 9Harvard-MIT Health Sciences and Technology, MIT, Cambridge, MA, United States
The 128-channel receive, 16-channel parallel transmit capabilities of the new NexGen 7T system, in conjunction with the high amplitude and slew rate of the novel “Impulse” head gradient coil, provide many potential benefits for high-resolution 3D neuroimaging. High channel array coils allow acceleration on two phase encoded axes for very high total acceleration factors, and faster gradients can reduce image readout time for additional benefits. We demonstrate these benefits in different 3D imaging applications (MP2RAGE, FLAIR, FLASH, SWI) at 7T.
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