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List of works by Gunther Helms

A New Targeted Model of Experimental Autoimmune Encephalomyelitis in the Common Marmoset

scientific article published on 22 September 2015

A Novel SLC6A8 Mutation in a Large Family with X-Linked Intellectual Disability: Clinical and Proton Magnetic Resonance Spectroscopy Data of Both Hemizygous Males and Heterozygous Females

scientific article

A general linear relaxometry model of R1 using imaging data

scientific article

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

Assessment of myelination in hypomyelinating disorders by quantitative MRI.

scientific article

Basal cerebral blood volume during the poststimulation undershoot in BOLD MRI of the human brain

scientific article

Brain Metabolite Changes in Patients with Relapsing-Remitting and Secondary Progressive Multiple Sclerosis: A Two-Year Follow-Up Study

scientific article

Brain tissue properties differentiate between motor and limbic basal ganglia circuits

scientific article

Cerebral involvement in axonal Charcot-Marie-Tooth neuropathy caused by mitofusin2 mutations.

scientific article published on 21 April 2008

Cerebral metabolic and structural alterations in hereditary spastic paraplegia with thin corpus callosum assessed by MRS and DTI.

scientific article published on 30 September 2006

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

scientific article

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

scientific article

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

scientific article published in October 2006

Corrigendum to “Visualizing dopamine transporter integrity with iodine-123-FP-CIT SPECT in combination with high resolution MRI in the brain of the common marmoset monkey” [J. Neurosci. Methods 210 (2) (2013) 195–201]

scholarly article by Enrique Garea-Rodríguez et al published January 2014 in Journal of Neuroscience Methods

Differentiation of typical and atypical Parkinson syndromes by quantitative MR imaging.

scientific article published on 13 October 2011

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

scientific article

Embodied neurology: an integrative framework for neurological disorders.

scientific article published on 21 April 2016

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

scholarly article published in Magnetic Resonance in Medicine

Exact algebraization of the signal equation of spoiled gradient echo MRI.

scientific article published on 8 July 2010

Example dataset for the hMRI toolbox

scientific article published on 11 June 2019

Growth pattern of experimental glioblastoma

scientific article published on 05 February 2020

High-resolution maps of magnetization transfer with inherent correction for RF inhomogeneity and T1 relaxation obtained from 3D FLASH MRI.

scientific article published in December 2008

Identification of signal bias in the variable flip angle method by linear display of the algebraic Ernst equation

scientific article

Idiopathic-generalized epilepsy shows profound white matter diffusion-tensor imaging alterations

scientific article published on 6 November 2013

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

scientific article published on 31 March 2009

Improved visibility of the subthalamic nucleus on high-resolution stereotactic MR imaging by added susceptibility (T2*) contrast using multiple gradient echoes.

scientific article published in June 2007

In vivo investigation of the multi-exponential T2 decay in human white matter at 7 T: Implications for myelin water imaging at UHF

scientific article published on 28 October 2020

In vivo proton MR spectroscopy findings specific for adenylosuccinate lyase deficiency

scientific article published in June 2010

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

scientific article published on 11 November 2009

Increased SNR and reduced distortions by averaging multiple gradient echo signals in 3D FLASH imaging of the human brain at 3T.

scientific article published in January 2009

Increased growth of colorectal liver metastasis following partial hepatectomy ⬇️

scientific article published on 6 February 2013

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

scientific article published on 30 September 2010

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

scientific article published on 18 January 2011

Interaction of exchange and differential relaxation in the saturation recovery behavior of the binary spin-bath model for magnetization transfer

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.

scientific article published in January 2010

Micro-structural brain alterations in aviremic HIV+ patients with minor neurocognitive disorders: a multi-contrast study at high field

scientific 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.

scientific article

Multi-site voxel-based morphometry--not quite there yet.

scientific article published on 13 February 2011

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

scientific article published on 08 July 2020

Multiparametric brainstem segmentation using a modified multivariate mixture of Gaussians

scientific article

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

scientific article

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

scientific article published on 5 February 2016

No brain structure abnormalities in boys with Tourette's syndrome: a voxel-based morphometry study

scientific article published in December 2009

Non-negative least squares computation for in vivo myelin mapping using simulated multi-echo spin-echo T2 decay data

scientific article published on 02 March 2020

Noninvasive estimation of tumour viability in a xenograft model of human neuroblastoma with proton magnetic resonance spectroscopy (1H MRS).

scientific article published on February 2003

Optimization and validation of methods for mapping of the radiofrequency transmit field at 3T

scientific article

Optimized high-resolution mapping of magnetization transfer (MT) at 3 Tesla for direct visualization of substructures of the human thalamus in clinically feasible measurement time

scientific article published in June 2009

Pharmacokinetics of the MRI contrast agent gadobutrol in common marmoset monkeys (Callithrix jacchus).

scientific article published on 15 July 2016

Pulsed saturation of the standard two-pool model for magnetization transfer. Part I: The steady state

article by Gunther Helms & Gisela E. Hagberg published 2004 in Concepts in magnetic resonance

Pulsed saturation of the standard two-pool model for magnetization transfer. Part II: The transition to steady state

article by Gunther Helms et al published 2004 in Concepts in magnetic resonance

Quantification of magnetization transfer by sampling the transient signal using MT-prepared single-shot EPI

Quantitative FLASH MRI at 3T using a rational approximation of the Ernst equation

scientific article published in March 2008

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

scientific article published in July 2005

Rapid radiofrequency field mapping in vivo using single-shot STEAM MRI.

scientific article published on September 2008

Reducing bias in dual flip angle T1 -mapping in human brain at 7T

scientific article published on 14 February 2020

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

scientific article

Reproducibility of the Structural Brain Connectome Derived from Diffusion Tensor Imaging

scientific article published on 2 September 2015

Retrospective artifact elimination in MEGA‐PRESS using a correlation approach

scientific article published on 12 November 2018

Revisiting a historic human brain with magnetic resonance imaging - the first description of a divided central sulcus.

scientific article

Segmentation of human brain using structural MRI.

scientific article published on 6 January 2016

Serial proton MR spectroscopy and diffusion tensor imaging in infantile Balo's concentric sclerosis.

scientific article

Serial proton MR spectroscopy and diffusion tensor imaging in infantile Balo’s concentric sclerosis

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

scientific article published on 24 July 2017

Simultaneous measurement of saturation and relaxation in human brain by repetitive magnetization transfer pulses

scientific article

Structural abnormalities in the thalamus of migraineurs with aura: a multiparametric study at 3 T.

scientific article

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

scientific article published on 6 March 2013

T2-based segmentation of periventricular paragraph sign volumes for quantification of proton magnetic paragraph sign resonance spectra of multiple sclerosis lesions

scientific article

The impact of endurance training and table soccer on brain metabolites in schizophrenia

scientific article published on 05 November 2019

The principles of quantification applied to in vivo proton MR spectroscopy

scientific article

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

scientific article

Untreated glioblastoma multiforme: increased myo-inositol and glutamine levels in the contralateral cerebral hemisphere at proton MR spectroscopy.

scientific article published on 29 September 2009

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

scientific article published on 23 June 2009

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

scientific article published on 22 July 2012

Widespread age-related differences in the human brain microstructure revealed by quantitative magnetic resonance imaging

scientific article

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

scientific article published on 21 January 2019

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