Gunther Helms

发表

hMRI -- A toolbox for using quantitative MRI in neuroscience and clinical research

Nikolaus Weiskopf, Antoine Lutti, John Ashburner, 2018 .

Resampling strategies in quantitative single voxel MRS

Gunther Helms, 2012 .

Disentangling in vivo the effects of iron content and atrophy on the ageing human brain

Richard S. Frackowiak, Nikolaus Weiskopf, Antoine Lutti, 2014, NeuroImage.

Identification of Signal Bias in the Variable Flip Angle Method by Linear Display of the Algebraic Ernst Equation

Nikolaus Weiskopf, Peter Dechent, Gunther Helms, 2011, Magnetic resonance in medicine.

Viewing the effective k-space coverage of MR images: phantom experiments with fast Fourier transform.

Jan Menke, Gunther Helms, Jörg Larsen, 2010, Magnetic resonance imaging.

Voxel-based characterisation of white matter changes in ageing with multi-parameter mapping and DTI

Arno Villringer, Alfred Anwander, Nikolaus Weiskopf, 2010 .

Segmentation of human brain using structural MRI

Gunther Helms, G. Helms, 2016, Magnetic Resonance Materials in Physics, Biology and Medicine.

hMRI – A toolbox for quantitative MRI in neuroscience and clinical research

Nikolaus Weiskopf, Antoine Lutti, Ferath Kherif, 2019, NeuroImage.

Reproducibility of the Structural Brain Connectome Derived from Diffusion Tensor Imaging

Chris Rorden, Walter Paulus, Julius Fridriksson, 2015, PloS one.

Improved segmentation of deep brain grey matter structures using magnetization transfer (MT) parameter maps

Richard S. Frackowiak, Nikolaus Weiskopf, John Ashburner, 2009, NeuroImage.

[I016] Challenges in quantitative MRI

Gunther Helms, 2018 .

Contrast‐driven approach to intracranial segmentation using a combination of T2‐ and T1‐weighted 3D MRI data sets

Peter Dechent, Gunther Helms, Kai Kallenberg, 2006, Journal of magnetic resonance imaging : JMRI.

Regional specificity of MRI contrast parameter changes in normal ageing revealed by voxel-based quantification (VBQ)

Richard S. Frackowiak, Nikolaus Weiskopf, Ferath Kherif, 2011, NeuroImage.

Unified segmentation based correction of R1 brain maps for RF transmit field inhomogeneities (UNICORT)

Nikolaus Weiskopf, Antoine Lutti, John Ashburner, 2011, NeuroImage.

Retrospective artifact elimination in MEGA‐PRESS using a correlation approach

Sofie Tapper, Gunther Helms, Peter Lundberg, 2018, Magnetic resonance in medicine.

New tissue priors for improved automated classification of subcortical brain structures on MRI☆

Richard S. Frackowiak, Nikolaus Weiskopf, Antoine Lutti, 2016, NeuroImage.

Individual voxel‐based subtype prediction can differentiate progressive supranuclear palsy from idiopathic parkinson syndrome and healthy controls

Walter Paulus, Peter Dechent, Gunther Helms, 2011, Human brain mapping.

Neurobiological origin of spurious brain morphological changes: A quantitative MRI study

Antoine Lutti, John Ashburner, Ferath Kherif, 2016, Human brain mapping.

Erratum to: Helms, dathe, kallenberg and dechent, high‐resolution maps of magnetization transfer with inherent correction for rf inhomogeneity and T1 relaxation obtained from 3D FLASH MRI. Magn Reson Med 2008 Dec;60(6):1396–1407

Peter Dechent, Gunther Helms, Henning Dathe, 2010 .

Comparative Analysis of the Effects of Neurotrophic Factors CDNF and GDNF in a Nonhuman Primate Model of Parkinson’s Disease

Mart Saarma, Gunther Helms, Christina Schlumbohm, 2016, PloS one.

Erratum to Helms, Dathe, and Dechent. Quantitative FLASH MRI at 3 tesla using a rational approximation of the ernst equation. Magn Reson Med 2008;59:667–672.

Peter Dechent, Gunther Helms, Henning Dathe, 2010 .

Embodied neurology: an integrative framework for neurological disorders

Karl J. Friston, Klaas E. Stephan, Nikolaus Weiskopf, 2016, Brain : a journal of neurology.

– A toolbox for using quantitative MRI in neuroscience and clinical research

Nikolaus Weiskopf, Antoine Lutti, Christophe Phillips, 2018 .

Tissue Properties from Quantitative MRI

Gunther Helms, G. Helms, 2015 .

Correction for Residual Effects of B1+ Inhomogeniety on MT Saturation in FLASH-Based Multi-Parameter Mapping of the Brain

Gunther Helms, G. Helms, 2015 .

Multiparametric brainstem segmentation using a modified multivariate mixture of Gaussians☆

Antoine Lutti, John Ashburner, Christian Lambert, 2013, NeuroImage: Clinical.

Pulsed Saturation of the Standard Two-Pool Model for Magnetization Transfer. Part II: The Transition to Steady State

Gisela E. Hagberg, Gunther Helms, Henning Dathe, 2004 .

Non-negative least squares fitting of multi-exponential T2 decay data: Are we able to accurately measure the fraction of myelin water?

Irene M. Vavasour, Vanessa Wiggermann, Gunther Helms, 2019 .

Comparison of longitudinal metabolite relaxation times in different regions of the human brain at 1.5 and 3 Tesla

Michael Erb, Wolfgang Grodd, Albert Ludolph, 2003, Magnetic resonance in medicine.

Visualizing dopamine transporter integrity with iodine-123-FP-CIT SPECT in combination with high resolution MRI in the brain of the common marmoset monkey

Gunther Helms, Christina Schlumbohm, Eberhard Fuchs, 2012, Journal of Neuroscience Methods.

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

Peter Dechent, Gunther Helms, Henning Dathe, 2010, Magnetic resonance in medicine.

Investigation and modeling of magnetization transfer effects in two‐dimensional multislice turbo spin echo sequences with low constant or variable flip angles at 3 T

Juergen Hennig, Matthias Weigel, Gunther Helms, 2009, Magnetic resonance in medicine.

Arterial Input Functions and Tissue Response Curves in Dynamic Glucose-Enhanced (DGE) Imaging: Comparison Between glucoCEST and Blood Glucose Sampling in Humans

Karin Markenroth Bloch, Pia C. Sundgren, Peter C.M. van Zijl, 2018, Tomography.

Shifted dynamic interactions between subcortical nuclei and inferior frontal gyri during response preparation in persistent developmental stuttering

Jens Frahm, Walter Paulus, Martin Sommer, 2017, Brain Structure and Function.

Idiopathic‐generalized epilepsy shows profound white matter diffusion—tensor imaging alterations

Walter Paulus, Holger Lerche, Gunther Helms, 2014, Human brain mapping.

Exact algebraization of the signal equation of spoiled gradient echo MRI

Gunther Helms, Henning Dathe, G. Helms, 2010, Physics in medicine and biology.

Structural and quantitative neuroimaging of the common marmoset monkey using a clinical MRI system

Peter Dechent, Gunther Helms, Melanie Wilke, 2013, Journal of Neuroscience Methods.

Quantitative magnetization transfer by trains of radio frequency pulses in human brain: extension of a free evolution model to continuous-wave-like conditions.

Gunther Helms, Andreas Piringer, 2005, Magnetic resonance imaging.

Increased putamen and callosal motor subregion in treatment-naïve boys with Tourette syndrome indicates changes in the bihemispheric motor network.

Aribert Rothenberger, Jürgen Baudewig, Peter Dechent, 2011, Journal of child psychology and psychiatry, and allied disciplines.

Rapid Radiofrequency Field Mapping In Vivo Using Single-Shot STEAM MRI

Nikolaus Weiskopf, Peter Dechent, Jürgen Finsterbusch, 2008, Magnetic resonance in medicine.

In vivo quantification of the bound pool T1 in human white matter using the binary spin–bath model of progressive magnetization transfer saturation

Gunther Helms, G. Helms, G. Hagberg, 2009, Physics in medicine and biology.

Multiparameter mapping of relaxation (R1, R2*), proton density and magnetization transfer saturation at 3 T: A multicenter dual‐vendor reproducibility and repeatability study

Nikolaus Weiskopf, Patrick Freund, Gunther Helms, 2020, Human brain mapping.