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Lista de obras de 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

artículo científico publicado en 2013

A general linear relaxometry model of R1 using imaging data

artículo científico publicado en 2014

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.

artículo científico publicado en 2012

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

artículo científico publicado en 2010

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

artículo científico publicado en 2016

Brain tissue properties differentiate between motor and limbic basal ganglia circuits

artículo científico publicado en 2014

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

artículo científico publicado en 2008

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

artículo científico publicado en 2006

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

artículo científico publicado en 2016

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

artículo científico publicado en 2003

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

artículo científico publicado en 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.

artículo científico publicado en 2011

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

artículo científico publicado en 2014

Embodied neurology: an integrative framework for neurological disorders.

artículo científico publicado en 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.

artículo científico publicado en 2010

Example dataset for the hMRI toolbox

artículo científico publicado en 2019

Growth pattern of experimental glioblastoma

artículo científico publicado en 2020

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

artículo científico publicado en 2008

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

artículo científico publicado en 2011

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

artículo científico publicado en 2013

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

artículo científico publicado en 2009

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

artículo científico publicado en 2007

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

artículo científico publicado en 2020

In vivo proton MR spectroscopy findings specific for adenylosuccinate lyase deficiency

artículo científico publicado en 2010

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

artículo científico publicado en 2009

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

artículo científico publicado en 2009

Increased growth of colorectal liver metastasis following partial hepatectomy

artículo científico publicado en 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

artículo científico publicado en 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.

artículo científico publicado en 2010

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

artículo científico publicado en 2013

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.

artículo científico publicado en 2010

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

artículo científico publicado en 2011

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

artículo científico publicado en 2020

Multiparametric brainstem segmentation using a modified multivariate mixture of Gaussians

artículo científico publicado en 2013

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

artículo científico publicado en 2016

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

artículo científico publicado en 2016

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

artículo científico publicado en 2009

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

artículo científico publicado en 2020

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

artículo científico publicado en 2003

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

artículo científico publicado en 2010

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

artículo científico publicado en 2009

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

artículo científico publicado en 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

artículo científico publicado en 2008

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

artículo científico publicado en 2005

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

artículo científico publicado en 2008

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

artículo científico publicado en 2020

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

artículo científico publicado en 2011

Reproducibility of the Structural Brain Connectome Derived from Diffusion Tensor Imaging

artículo científico publicado en 2015

Retrospective artifact elimination in MEGA‐PRESS using a correlation approach

artículo científico publicado en 2018

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

artículo científico publicado en 2014

Segmentation of human brain using structural MRI.

artículo científico publicado en 2016

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

artículo científico publicado en 2008

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

artículo científico publicado en 2017

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

artículo científico publicado en 2005

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

artículo científico publicado en 2013

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

artículo científico publicado en 2013

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

artículo científico publicado en 2003

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

artículo científico publicado en 2008

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

artículo científico publicado en 2010

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

artículo científico publicado en 2009

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

artículo científico publicado en 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.

artículo científico publicado en 2012

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

artículo científico publicado en 2014

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

artículo científico publicado en 2019