Author Helms, Gunther

• 2006 | Journal Article
  ​ ​Interaction of exchange and differential relaxation in the saturation recovery behavior of the binary spin-bath model for magnetization transfer​
  Helms, G.​ (2006) 
  Concepts in Magnetic Resonance Part A, 28A(4) pp. 291​-298​.​ DOI: https://doi.org/10.1002/cmr.a.20058 
  ​Details  DOI  WoS 

• 2006 | Journal Article | Research Paper
  ​ ​Cerebral metabolic and structural alterations in hereditary spastic paraplegia with thin corpus callosum assessed by MRS and DTI​
  Dreha-Kulaczewski, S. F. ; Dechent, P. ; Helms, G.; Frahm, J. ; Gärtner, J.   & Brockmann, K. ​ (2006) 
  Neuroradiology, 48(12) pp. 893​-898​.​ DOI: https://doi.org/10.1007/s00234-006-0148-2 
  ​Details  DOI  PMID  PMC  WoS 

• 2006 | Journal Article
  ​ ​Contrast-driven approach to intracranial segmentation using a combination of T2-weighted and T1-weighted 3D MRI data sets​
  Helms, G.; Kallenberg, K. & Dechent, P.​ (2006) 
  Journal of Magnetic Resonance Imaging, 24(4) pp. 790​-795​.​ DOI: https://doi.org/10.1002/jmri.20692 
  ​Details  DOI  PMID  PMC  WoS 

• 2007 | Conference Abstract
  ​ ​Complete recovery of NAA reduction in white matter disorders demonstrated by proton MRS​
  Dreha-Kulaczewski, S. F. ; Dechent, P. ; Helms, G.; Frahm, J. ; Gärtner, J.   & Brockmann, K. ​ (2007)
  ​European Journal of Pediatrics, 166(3) pp. 274​-274. , Max-Planck-Institute for Experimental Medicine, Göttingen.
  New York​: Springer.
  ​Details  WoS 

• 2008 | Review
  ​ ​The principles of quantification applied to in vivo proton MR spectroscopy​
  Helms, G.​ (2008)
  European Journal of Radiology, 67​(2) pp. 218​-229​.​
  Elsevier Ireland Ltd. DOI: https://doi.org/10.1016/j.ejrad.2008.02.034 
  ​Details  DOI  PMID  PMC  WoS 

• 2008 | Journal Article | Research Paper | 
  ​ ​Cerebral involvement in axonal Charcot-Marie-Tooth neuropathy caused by mitofusin2 mutations​
  Brockmann, K. ; Dreha-Kulaczewski, S. F. ; Dechent, P. ; Boennemann, C.; Helms, G.; Kyllerman, M. & Brueck, W.  et al.​ (2008) 
  Journal of Neurology, 255(7) pp. 1049​-1058​.​ DOI: https://doi.org/10.1007/s00415-008-0847-1 
  ​Details  DOI  PMID  PMC  WoS 

• 2008 | Journal Article
  ​ ​Quantitative FLASH MRI at 3T using a rational approximation of the Ernst equation​
  Helms, G.; Dathe, H. & Dechent, P.​ (2008) 
  Magnetic Resonance in Medicine, 59(3) pp. 667​-672​.​ DOI: https://doi.org/10.1002/mrm.21542 
  ​Details  DOI  PMID  PMC  WoS 

• 2008 | Journal Article
  ​ ​High-Resolution Maps of Magnetization Transfer with Inherent Correction for RF Inhomogeneity and T(1) Relaxation Obtained from 3D FLASH MRI​
  Helms, G.; Dathe, H.; Kallenberg, K. & Dechent, P.​ (2008) 
  Magnetic Resonance in Medicine, 60(6) pp. 1396​-1407​.​ DOI: https://doi.org/10.1002/mrm.21732 
  ​Details  DOI  PMID  PMC  WoS 

• 2008 | Journal Article
  ​ ​Rapid radiofrequency field mapping in vivo using single-shot STEAM MRI​
  Helms, G.; Finsterbusch, J.; Weiskopf, N. & Dechent, P.​ (2008) 
  Magnetic Resonance in Medicine, 60(3) pp. 739​-743​.​ DOI: https://doi.org/10.1002/mrm.21676 
  ​Details  DOI  PMID  PMC  WoS 

• 2009 | Journal Article | 
  ​ ​Folate Receptor Alpha Defect Causes Cerebral Folate Transport Deficiency: A Treatable Neurodegenerative Disorder Associated with Disturbed Myelin Metabolism​
  Steinfeld, R.; Grapp, M.; Kraetzner, R.; Dreha-Kulaczewski, S.; Helms, G.; Dechent, P. & Wevers, R. et al.​ (2009) 
  The American Journal of Human Genetics, 85 pp. 354​-363​.​ DOI: https://doi.org/10.1016/j.ajhg.2009.08.005. 
  ​Details  DOI 

• 2009 | Journal Article | 
  ​ ​Untreated Glioblastoma Multiforme: Increased Myo-inositol and Glutamine Levels in the Contralateral Cerebral Hemisphere at Proton MR Spectroscopy​
  Kallenberg, K.; Bock, H.-C.; Helms, G.; Jung, K.; Wrede, A.; Buhk, J.-H. & Giese, A. et al.​ (2009) 
  Radiology, 253(3) pp. 805​-812​.​ DOI: https://doi.org/10.1148/radiol.2533071654 
  ​Details  DOI  PMID  PMC  WoS 

• 2009 | Journal Article | Research Paper | 
  ​ ​Serial proton MR spectroscopy and diffusion tensor imaging in infantile Balo's concentric sclerosis​
  Dreha-Kulaczewski, S. F. ; Helms, G.; Dechent, P. ; Hofer, S. ; Gärtner, J.   & Frahm, J. ​ (2009) 
  Neuroradiology, 51(2) pp. 113​-121​.​ DOI: https://doi.org/10.1007/s00234-008-0470-y 
  ​Details  DOI  PMID  PMC  WoS 

• 2009 | Journal Article
  ​ ​Increased SNR and Reduced Distortions by Averaging Multiple Gradient Echo Signals in 3D FLASH Imaging of the Human Brain at 3T​
  Helms, G. & Dechent, P.​ (2009) 
  Journal of Magnetic Resonance Imaging, 29(1) pp. 198​-204​.​ DOI: https://doi.org/10.1002/jmri.21629 
  ​Details  DOI  PMID  PMC  WoS 

• 2009 | Journal Article
  ​ ​In vivo quantification of the bound pool T-1 in human white matter using the binary spin-bath model of progressive magnetization transfer saturation​
  Helms, G. & Hagberg, G. E.​ (2009) 
  Physics in Medicine and Biology, 54(23) pp. N529​-N540​.​ DOI: https://doi.org/10.1088/0031-9155/54/23/N01 
  ​Details  DOI  PMID  PMC  WoS 

• 2009 | Journal Article
  ​ ​No Brain Structure Abnormalities in Boys with Tourette's Syndrome: A Voxel-Based Morphometry Study​
  Roessner, V.; Overlack, S.; Baudewig, J.; Dechent, P.; Rothenberger, A. & Helms, G.​ (2009) 
  Movement Disorders, 24(16) pp. 2398​-2403​.​ DOI: https://doi.org/10.1002/mds.22847 
  ​Details  DOI  PMID  PMC  WoS 

• 2009 | Journal Article | 
  ​ ​Improved segmentation of deep brain grey matter structures using magnetization transfer (MT) parameter maps​
  Helms, G.; Draganski, B.; Frackowiak, R.; Ashburner, J. & Weiskopf, N.​ (2009) 
  NeuroImage, 47(1) pp. 194​-198​.​ DOI: https://doi.org/10.1016/j.neuroimage.2009.03.053 
  ​Details  DOI  PMID  PMC  WoS 

• 2010 | Journal Article | 
  ​ ​Exact algebraization of the signal equation of spoiled gradient echo MRI​
  Dathe, H. & Helms, G.​ (2010) 
  Physics in Medicine and Biology, 55(15) pp. 4231​-4245​.​ DOI: https://doi.org/10.1088/0031-9155/55/15/003 
  ​Details  DOI  PMID  PMC  WoS 

• 2010 | Journal Article
  ​ ​Modeling the Influence of TR and Excitation Flip Angle on the Magnetization Transfer Ratio (MTR) in Human Brain Obtained From 3D Spoiled Gradient Echo MRI​
  Helms, G.; Dathe, H. & Dechent, P.​ (2010) 
  Magnetic Resonance in Medicine, 64(1) pp. 177​-185​.​ DOI: https://doi.org/10.1002/mrm.22379 
  ​Details  DOI  PMID  PMC  WoS 

• 2010 | Journal Article
  ​ ​Viewing the effective k-space coverage of MR images: phantom experiments with fast Fourier transform​
  Menke, J.; Helms, G. & Larsen, J.​ (2010) 
  Magnetic Resonance Imaging, 28(1) pp. 87​-94​.​ DOI: https://doi.org/10.1016/j.mri.2009.05.027 
  ​Details  DOI  PMID  PMC  WoS 

• 2010 | Journal Article
  ​ ​Optimization and Validation of Methods for Mapping of the Radiofrequency Transmit Field at 3T​
  Lutti, A.; Hutton, C.; Finsterbusch, J.; Helms, G. & Weiskopf, N.​ (2010) 
  Magnetic Resonance in Medicine, 64(1) pp. 229​-238​.​ DOI: https://doi.org/10.1002/mrm.22421 
  ​Details  DOI  PMID  PMC  WoS 

Researcher

Sort

Items per Page