Suchergebnisse - "Samson, Rebecca S"

Cortical involvement determines impairment 30 years after a clinically isolated syndrome von Haider, Lukas, Prados, Ferran, Chung, Karen, Goodkin, Olivia, Kanber, Baris, Sudre, Carole, Yiannakas, Marios, Samson, Rebecca S, Mangesius, Stephanie, Thompson, Alan J, Gandini Wheeler-Kingshott, Claudia A M, Ciccarelli, Olga, Chard, Declan T, Barkhof, Frederik

“… Many studies report an overlap of MRI and clinical findings between patients with relapsing-remitting multiple sclerosis (RRMS) and secondary progressive …”
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Magnetization transfer ratio measures in normal-appearing white matter show periventricular gradient abnormalities in multiple sclerosis von Liu, Zheng, Pardini, Matteo, Yaldizli, Özgür, Sethi, Varun, Muhlert, Nils, Wheeler-Kingshott, Claudia A M, Samson, Rebecca S, Miller, David H, Chard, Declan T

“… In multiple sclerosis, there is increasing evidence that demyelination, and neuronal damage occurs preferentially in cortical grey matter next to the outer …”
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ZOOM or Non-ZOOM? Assessing Spinal Cord Diffusion Tensor Imaging Protocols for Multi-Centre Studies von Samson, Rebecca S., Lévy, Simon, Schneider, Torben, Smith, Alex K., Smith, Seth A., Cohen-Adad, Julien, Gandini Wheeler-Kingshott, Claudia A. M.

“… The purpose of this study was to develop and evaluate two spinal cord (SC) diffusion tensor imaging (DTI) protocols, implemented at multiple sites (using …”
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Feasibility of in vivo multi-parametric quantitative magnetic resonance imaging of the healthy sciatic nerve with a unified signal readout protocol von Boonsuth, Ratthaporn, Battiston, Marco, Grussu, Francesco, Samlidou, Christina Maria, Calvi, Alberto, Samson, Rebecca S., Gandini Wheeler-Kingshott, Claudia A. M., Yiannakas, Marios C.

“… Magnetic resonance neurography (MRN) has been used successfully over the years to investigate the peripheral nervous system (PNS) because it allows early …”
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Differential involvement of cortical and cerebellar areas using dominant and nondominant hands: An FMRI study von Alahmadi, Adnan A.S., Pardini, Matteo, Samson, Rebecca S., D'Angelo, Egidio, Friston, Karl J., Toosy, Ahmed T., Gandini Wheeler-Kingshott, Claudia A.M.

“… Motor fMRI studies, comparing dominant (DH) and nondominant (NDH) hand activations have reported mixed findings, especially for the extent of ipsilateral (IL) …”
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Reduced Field-of-View Diffusion-Weighted Imaging of the Lumbosacral Enlargement: A Pilot In Vivo Study of the Healthy Spinal Cord at 3T von Yiannakas, Marios C., Grussu, Francesco, Louka, Polymnia, Prados, Ferran, Samson, Rebecca S., Battiston, Marco, Altmann, Daniel R., Ourselin, Sebastien, Miller, David H., Gandini Wheeler-Kingshott, Claudia A. M.

“… Diffusion tensor imaging (DTI) has recently started to be adopted into clinical investigations of spinal cord (SC) diseases. However, DTI applications to the …”
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Blood Oxygenation Level-Dependent Response to Multiple Grip Forces in Multiple Sclerosis: Going Beyond the Main Effect of Movement in Brodmann Area 4a and 4p von Alahmadi, Adnan A. S., Pardini, Matteo, Samson, Rebecca S., D’Angelo, Egidio, Friston, Karl J., Toosy, Ahmed T., Gandini Wheeler-Kingshott, Claudia A. M.

“… This study highlights the importance of looking beyond the main effect of movement to study alterations in functional response in the presence of central …”
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Assessing Lumbar Plexus and Sciatic Nerve Damage in Relapsing-Remitting Multiple Sclerosis Using Magnetisation Transfer Ratio von Boonsuth, Ratthaporn, Samson, Rebecca S., Tur, Carmen, Battiston, Marco, Grussu, Francesco, Schneider, Torben, Yoneyama, Masami, Prados, Ferran, Ttofalla, Antrea, Collorone, Sara, Cortese, Rosa, Ciccarelli, Olga, Gandini Wheeler-Kingshott, Claudia A. M., Yiannakas, Marios C.

“… Background: Multiple sclerosis (MS) has traditionally been regarded as a disease confined to the central nervous system (CNS). However, neuropathological, …”
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Multiparameter mapping of relaxation (R1, R2), proton density and magnetization transfer saturation at 3 T: A multicenter dual‐vendor reproducibility and repeatability study von Leutritz, Tobias, Seif, Maryam, Helms, Gunther, Samson, Rebecca S, Curt, Armin, Freund, Patrick, Weiskopf, Nikolaus

“… Multicenter clinical and quantitative magnetic resonance imaging (qMRI) studies require a high degree of reproducibility across different sites and scanner …”
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The mesenchymal stem cells in multiple sclerosis (MSCIMS) trial protocol and baseline cohort characteristics: an open-label pre-test: post-test study with blinded outcome assessments von Connick, Peter, Kolappan, Madhan, Patani, Rickie, Scott, Michael A, Crawley, Charles, He, Xiao-Ling, Richardson, Karen, Barber, Kelly, Webber, Daniel J, Wheeler-Kingshott, Claudia AM, Tozer, Daniel J, Samson, Rebecca S, Thomas, David L, Du, Ming-Qing, Luan, Shi L, Michell, Andrew W, Altmann, Daniel R, Thompson, Alan J, Miller, David H, Compston, Alastair, Chandran, Siddharthan

“… Background No treatments are currently available that slow, stop, or reverse disease progression in established multiple sclerosis (MS). The Mesenchymal Stem …”
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Grey and White Matter Magnetisation Transfer Ratio Measurements in the Lumbosacral Enlargement: A Pilot In Vivo Study at 3T von Ugorji, Chinyere O., Samson, Rebecca S., Liechti, Martina D., Panicker, Jalesh N., Miller, David H., Wheeler-Kingshott, Claudia A. M., Yiannakas, Marios C.

“… Magnetisation transfer (MT) imaging of the central nervous system has provided further insight into the pathophysiology of neurological disease. However, the …”
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Association of Slowly Expanding Lesions on MRI With Disability in People With Secondary Progressive Multiple Sclerosis von Calvi, Alberto, Carrasco, Ferran Prados, Tur, Carmen, Chard, Declan T, Stutters, Jonathan, De Angelis, Floriana, John, Nevin, Williams, Thomas, Doshi, Anisha, Samson, Rebecca S, MacManus, David, Gandini Wheeler-Kingshott, Claudia A, Ciccarelli, Olga, Chataway, Jeremy, Barkhof, Frederik

“… To explore the relationship between slowly expanding lesions (SELs) on MRI and disability in secondary progressive multiple sclerosis (SPMS). We …”
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Safety and efficacy of bexarotene in patients with relapsing-remitting multiple sclerosis (CCMR One): a randomised, double-blind, placebo-controlled, parallel-group, phase 2a study von Brown, J William L, Cunniffe, Nick G, Prados, Ferran, Kanber, Baris, Jones, Joanne L, Needham, Edward, Georgieva, Zoya, Rog, David, Pearson, Owen R, Overell, James, MacManus, David, Samson, Rebecca S, Stutters, Jonathan, ffrench-Constant, Charles, Gandini Wheeler-Kingshott, Claudia A M, Moran, Carla, Flynn, Paul D, Michell, Andrew W, Franklin, Robin J M, Chandran, Siddharthan, Altmann, Daniel R, Chard, Declan T, Connick, Peter, Coles, Alasdair J

“… Progressive disability in multiple sclerosis occurs because CNS axons degenerate as a late consequence of demyelination. In animals, retinoic acid receptor …”
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Tracking White and Gray Matter Degeneration along the Spinal Cord Axis in Degenerative Cervical Myelopathy von Vallotton, Kevin, David, Gergely, Hupp, Markus, Pfender, Nikolai, Cohen-Adad, Julien, Fehlings, Michael G, Samson, Rebecca S, Wheeler-Kingshott, Claudia A M Gandini, Curt, Armin, Freund, Patrick, Seif, Maryam

“… This study aims to determine tissue-specific neurodegeneration across the spinal cord in patients with mild-moderate degenerative cervical myelopathy (DCM) …”
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An abnormal periventricular magnetization transfer ratio gradient occurs early in multiple sclerosis von Brown, J William L, Pardini, Matteo, Brownlee, Wallace J, Fernando, Kryshani, Samson, Rebecca S, Prados Carrasco, Ferran, Ourselin, Sebastien, Gandini Wheeler-Kingshott, Claudia A M, Miller, David H, Chard, Declan T

“… In established multiple sclerosis, tissue abnormality-as assessed using magnetization transfer ratio-increases close to the lateral ventricles. We aimed to …”
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Cervical cord lesion load is associated with disability independently from atrophy in MS von Kearney, Hugh, Altmann, Daniel R, Samson, Rebecca S, Yiannakas, Marios C, Wheeler-Kingshott, Claudia A M, Ciccarelli, Olga, Miller, David H

“… To investigate whether spinal cord (SC) lesion load, when quantified on axial images with high in-plane resolution, is associated with disability in multiple …”
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The Sense of Smell ( SoS ) Atlas: Its Creation and First Application to Investigate COVID ‐19 Related Anosmia With a Comprehensive Quantitative MRI Protocol von Gaviraghi, Marta, Lupi, Eleonora, Grosso, Elena, Fusari, Andrea, Baiguera, Mattia, Monteverdi, Anita, Battiston, Marco, Grussu, Francesco, Kanber, Baris, Prados Carrasco, Ferran, Samson, Rebecca S., Makaronidis, Janine, Yiannakas, Marios C., Zandi, Michael S., Batterham, Rachel L., D'Angelo, Egidio, Palesi, Fulvia, Gandini Wheeler‐Kingshott, Claudia A. M.

“… The loss of smell, that is, anosmia, is a common symptom in COVID‐19, but the brain alterations behind it are still unclear. In this study, researchers …”
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A simple correction for B1 field errors in magnetization transfer ratio measurements von Samson, Rebecca S., Wheeler-Kingshott, Claudia A.M., Symms, Mark R., Tozer, Daniel J., Tofts, Paul S.

“… B1 errors are a problem in magnetization transfer ratio (MTR) measurements because the MTR value is dependent on the amplitude of the magnetization transfer …”
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Imaging memory in temporal lobe epilepsy: predicting the effects of temporal lobe resection von Bonelli, Silvia B, Powell, Robert H W, Yogarajah, Mahinda, Samson, Rebecca S, Symms, Mark R, Thompson, Pamela J, Koepp, Matthias J, Duncan, John S

“… Functional magnetic resonance imaging can demonstrate the functional anatomy of cognitive processes. In patients with refractory temporal lobe epilepsy, …”
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What contributes to disability in progressive MS? A brain and cervical cord-matched quantitative MRI study von Tur, Carmen, Battiston, Marco, Yiannakas, Marios C, Collorone, Sara, Calvi, Alberto, Prados, Ferran, Kanber, Baris, Grussu, Francesco, Ricciardi, Antonio, Pajak, Patrizia, Martinelli, Daniele, Schneider, Torben, Ciccarelli, Olga, Samson, Rebecca S, Wheeler-Kingshott, Claudia Am Gandini

“… We assessed the ability of a brain-and-cord-matched quantitative magnetic resonance imaging (qMRI) protocol to differentiate patients with progressive multiple …”
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