Search Results - Helms, Gunther

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  1. 1
    Revisiting a historic human brain with magnetic resonance imaging – the first description of a divided central sulcus

    Revisiting a historic human brain with magnetic resonance imaging – the first description of a divided central sulcus by Schweizer, Renate, Helms, Gunther, Frahm, Jens

    Published 2014
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  2. 2
    Rapid Radiofrequency Field Mapping In Vivo Using Single-Shot STEAM MRI

    Rapid Radiofrequency Field Mapping In Vivo Using Single-Shot STEAM MRI by Helms, Gunther, Finsterbusch, Jürgen, Weiskopf, Nikolaus, Dechent, Peter

    Published 2008
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  3. 3
    Identification of Signal Bias in the Variable Flip Angle Method by Linear Display of the Algebraic Ernst Equation

    Identification of Signal Bias in the Variable Flip Angle Method by Linear Display of the Algebraic Ernst Equation by Helms, Gunther, Dathe, Henning, Weiskopf, Nikolaus, Dechent, Peter

    Published 2011
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  4. 4
    Retrospective artifact elimination in MEGA‐PRESS using a correlation approach

    Retrospective artifact elimination in MEGA‐PRESS using a correlation approach by Tapper, Sofie, Tisell, Anders, Helms, Gunther, Lundberg, Peter

    Published 2018
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  5. 5
    Improved segmentation of deep brain grey matter structures using magnetization transfer (MT) parameter maps

    Improved segmentation of deep brain grey matter structures using magnetization transfer (MT) parameter maps by Helms, Gunther, Draganski, Bogdan, Frackowiak, Richard, Ashburner, John, Weiskopf, Nikolaus

    Published 2009
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  6. 6
    Optimization and Validation of Methods for Mapping of the Radiofrequency Transmit Field at 3T

    Optimization and Validation of Methods for Mapping of the Radiofrequency Transmit Field at 3T by Lutti, Antoine, Hutton, Chloe, Finsterbusch, Jürgen, Helms, Gunther, Weiskopf, Nikolaus

    Published 2010
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  7. 7
    Multiparametric brainstem segmentation using a modified multivariate mixture of Gaussians()

    Multiparametric brainstem segmentation using a modified multivariate mixture of Gaussians() by Lambert, Christian, Lutti, Antoine, Helms, Gunther, Frackowiak, Richard, Ashburner, John

    Published 2013
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  8. 8
    Radiofrequency Bias Correction of Magnetization Prepared Rapid Gradient Echo MRI at 7.0 Tesla Using an External Reference in a Sequential Protocol

    Radiofrequency Bias Correction of Magnetization Prepared Rapid Gradient Echo MRI at 7.0 Tesla Using an External Reference in a Sequential Protocol by Olsson, Hampus, Novén, Mikael, Lätt, Jimmy, Wirestam, Ronnie, Helms, Gunther

    Published 2021
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  9. 9
    Basal cerebral blood volume during the poststimulation undershoot in BOLD MRI of the human brain

    Basal cerebral blood volume during the poststimulation undershoot in BOLD MRI of the human brain by Dechent, Peter, Schütze, Gunther, Helms, Gunther, Merboldt, Klaus Dietmar, Frahm, Jens

    Published 2011
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  10. 10
    A General Linear Relaxometry Model of R(1) Using Imaging Data

    A General Linear Relaxometry Model of R(1) Using Imaging Data by Callaghan, Martina F, Helms, Gunther, Lutti, Antoine, Mohammadi, Siawoosh, Weiskopf, Nikolaus

    Published 2015
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  11. 11
    Unified segmentation based correction of R1 brain maps for RF transmit field inhomogeneities (UNICORT)

    Unified segmentation based correction of R1 brain maps for RF transmit field inhomogeneities (UNICORT) by Weiskopf, Nikolaus, Lutti, Antoine, Helms, Gunther, Novak, Marianne, Ashburner, John, Hutton, Chloe

    Published 2011
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  12. 12
    Cortical and white matter correlates of language‐learning aptitudes

    Cortical and white matter correlates of language‐learning aptitudes by Novén, Mikael, Olsson, Hampus, Helms, Gunther, Horne, Merle, Nilsson, Markus, Roll, Mikael

    Published 2021
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  13. 13
    Comparison of MRI methods for measuring whole‐brain oxygen extraction fraction under different geometric conditions at 7T

    Comparison of MRI methods for measuring whole‐brain oxygen extraction fraction under different geometric conditions at 7T by Lundberg, Anna, Lind, Emelie, Olsson, Hampus, Helms, Gunther, Knutsson, Linda, Wirestam, Ronnie

    Published 2022
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  14. 14
    Serial proton MR spectroscopy and diffusion tensor imaging in infantile Balo’s concentric sclerosis

    Serial proton MR spectroscopy and diffusion tensor imaging in infantile Balo’s concentric sclerosis by Dreha-Kulaczewski, Steffi F., Helms, Gunther, Dechent, Peter, Hofer, Sabine, Gärtner, Jutta, Frahm, Jens

    Published 2008
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  15. 15
    Structural abnormalities in the thalamus of migraineurs with aura: A multiparametric study at 3 T

    Structural abnormalities in the thalamus of migraineurs with aura: A multiparametric study at 3 T by Granziera, Cristina, Daducci, Alessandro, Romascano, David, Roche, Alexis, Helms, Gunther, Krueger, Gunnar, Hadjikhani, Nouchine

    Published 2013
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  16. 16
    Idiopathic‐generalized epilepsy shows profound white matter diffusion—tensor imaging alterations

    Idiopathic‐generalized epilepsy shows profound white matter diffusion—tensor imaging alterations by Focke, Niels K., Diederich, Christine, Helms, Gunther, Nitsche, Michael A., Lerche, Holger, Paulus, Walter

    Published 2013
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  17. 17
    Multiparameter mapping of relaxation (R1, R2*), proton density and magnetization transfer saturation at 3 T: A multicenter dual‐vendor reproducibility and repeatability study

    Multiparameter mapping of relaxation (R1, R2*), proton density and magnetization transfer saturation at 3 T: A multicenter dual‐vendor reproducibility and repeatability study by Leutritz, Tobias, Seif, Maryam, Helms, Gunther, Samson, Rebecca S, Curt, Armin, Freund, Patrick, Weiskopf, Nikolaus

    Published 2020
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  18. 18
    Shifted dynamic interactions between subcortical nuclei and inferior frontal gyri during response preparation in persistent developmental stuttering

    Shifted dynamic interactions between subcortical nuclei and inferior frontal gyri during response preparation in persistent developmental stuttering by Metzger, F. Luise, Auer, Tibor, Helms, Gunther, Paulus, Walter, Frahm, Jens, Sommer, Martin, Neef, Nicole E.

    Published 2017
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  19. 19
    Folate Receptor Alpha Defect Causes Cerebral Folate Transport Deficiency: A Treatable Neurodegenerative Disorder Associated with Disturbed Myelin Metabolism

    Folate Receptor Alpha Defect Causes Cerebral Folate Transport Deficiency: A Treatable Neurodegenerative Disorder Associated with Disturbed Myelin Metabolism by Steinfeld, Robert, Grapp, Marcel, Kraetzner, Ralph, Dreha-Kulaczewski, Steffi, Helms, Gunther, Dechent, Peter, Wevers, Ron, Grosso, Salvatore, Gärtner, Jutta

    Published 2009
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  20. 20
    Neurobiological origin of spurious brain morphological changes: A quantitative MRI study

    Neurobiological origin of spurious brain morphological changes: A quantitative MRI study by Lorio, Sara, Kherif, Ferath, Ruef, Anne, Melie‐Garcia, Lester, Frackowiak, Richard, Ashburner, John, Helms, Gunther, Lutti, Antoine, Draganski, Bodgan

    Published 2016
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