Abstract #0562

Design and Development of a Next-Generation 7T human brain scanner with high-performance gradient coil and dense RF arrays.

David A Feinberg^1,2,3, Peter Dietz⁴, Chunlei Liu^1,5, Kawin Setsompop⁶, Pratik Mukherjee^7,8, Lawrence L Wald^9,10,11, An T Vu^7,8, Alexander JS Beckett^1,2, Ignacio Gonzalez Insua⁴, Martin Schröder⁴, Stefan Stocker⁴, Paul H Bell¹², Elmar Rummert⁴, and Mathias Davids^9,10,13

¹Helen Wills Neuroscience Institute, University of California, Berkeley, CA, United States, ²Advanced MRI Technologies, Sebastopol, CA, United States, ³Department of Cognitive Neuroscience, Maastricht University, Maastricht, Netherlands, ⁴Siemens Healthcare GmbH, Erlangen, Germany, ⁵Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, CA, United States, ⁶Radiological Sciences Laboratory, Stanford University, Stanford, CA, United States, ⁷Radiology, University of California, San Francisco, CA, United States, ⁸San Francisco Veteran Affairs Health Care System, San Francisco, CA, United States, ⁹A.A. Martinos Center for Biomedical Imaging, Dept. of Radiology, Massachusetts General Hospital, Charlestown, MA, United States, ¹⁰Harvard Medical School, Boston, MA, United States, ¹¹Harvard-MIT Division of Health Sciences Technology, Cambridge, MA, United States, ¹²Siemens Medical Solutions USA, Inc, Cary, NC, United States, ¹³Computer Assisted Clinical Medicine, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany

A Next-Generation 7T MRI scanner was designed to achieve higher performance in human brain imaging for the NIH BRAIN Initiative. The new 7T scanner introduces several innovative hardware designs including a PNS optimized asymmetric head gradient coil (Siemens Healthcare, Erlangen, Germany) with Gmax 200mT/m and Smax 900T/m/s. The scanner also includes 128-channel RF receiver and 16-channel transmit systems for all-in-one cumulative gains in performance. The resulting higher spatial resolution, sensitivity and image acceleration will enable in-vivo whole-brain mesoscale research on cortical layer and columnar circuitry and other brain structures.

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