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  The traveling heads: Multicenter brain imaging at 7 Tesla

Voelker, M. N., Kraff, O., Brenner, D., Wollrab, A., Weinberger, O., Berger, M. C., et al. (2016). The traveling heads: Multicenter brain imaging at 7 Tesla. Magnetic Resonance Materials in Physics, Biology and Medicine, 29(3), 399-415. doi:10.1007/s10334-016-0541-8.

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Voelker, Maximilian N.1, Author
Kraff, Oliver1, Author
Brenner, Daniel2, Author
Wollrab, Astrid3, Author
Weinberger, Oliver4, Author
Berger, Moritz C.5, Author
Robinson, Simon6, Author
Bogner, Wolfgang6, Author
Wiggins, Christopher7, Author
Trampel, Robert8, Author              
Stöcker, Tony2, Author
Niendorf, Toralf4, 9, Author
Quick, Harad H.1, 10, Author
Norris, David D.1, 11, Author
Ladd, Mark E.1, 5, Author
Speck, Oliver3, 12, 13, 14, Author
1Erwin L. Hahn Institute for Magnetic Resonance Imaging, University of Duisburg-Essen, Germany, ou_persistent22              
2German Center for Neurodegenerative Diseases, Bonn, Germany, ou_persistent22              
3Department of Biomedical Magnetic Resonance, Institute of Experimental Physics, Otto von Guericke University Magdeburg, Germany, ou_persistent22              
4Berlin Ultrahigh Field Facility (B.U.F.F.), Max Delbrück Center for Molecular Medicine, Berlin, Germany, ou_persistent22              
5Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany, ou_persistent22              
6Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Austria, ou_persistent22              
7Scannexus, Maastricht, the Netherlands, ou_persistent22              
8Department Neurophysics (Weiskopf), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2205649              
9Experimental and Clinical Research Centre, Charité University Medicine Berlin, Germany, ou_persistent22              
10High Field and Hybrid MR Imaging, University of Duisburg-Essen, Germany, ou_persistent22              
11Centre for Cognitive Neuroimaging, Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, the Netherlands, ou_persistent22              
12Leibniz Institute for Neurobiology, Magdeburg, Germany, ou_persistent22              
13German Center for Neurodegenerative Diseases, Magdeburg, Germany, ou_persistent22              
14Center for Behavioral Brain Sciences, Magdeburg, Germany, ou_persistent22              


Free keywords: Magnetic resonance imaging; Neuroimaging; Ultrahigh field; Multi-center
 Abstract: Objective This study evaluates the inter-site and intra-site reproducibility of 7 Tesla brain imaging and compares it to literature values for other field strengths. Materials and methods The same two subjects were imaged at eight different 7 T sites. MP2RAGE, TSE, TOF, SWI, EPI as well as B1 and B0 field maps were analyzed quantitatively to assess inter-site reproducibility. Intra-site reproducibility was measured with rescans at three sites. Results Quantitative measures of MP2RAGE scans showed high agreement. Inter-site and intra-site reproducibility errors were comparable to 1.5 and 3 T. Other sequences also showed high reproducibility between the sites, but differences were also revealed. The different RF coils used were the main source for systematic differences between the sites. Conclusion Our results show for the first time that multi-center brain imaging studies of the supratentorial brain can be performed at 7 T with high reproducibility and similar reliability as at 3T. This study develops the basis for future large-scale 7 T multi-site studies.


Language(s): eng - English
 Dates: 2016-02-082015-12-092016-02-252016-04-202016-06
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s10334-016-0541-8
PMID: 27097904
Other: Epub 2016
 Degree: -



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Title: Magnetic Resonance Materials in Physics, Biology and Medicine
Source Genre: Journal
Publ. Info: -
Pages: - Volume / Issue: 29 (3) Sequence Number: - Start / End Page: 399 - 415 Identifier: ISSN: 0968-5243
CoNE: https://pure.mpg.de/cone/journals/resource/954926245532