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Longitudinal fMRI studies: Exploring brain plasticity and repair in MS

Abstract : Functional magnetic resonance imaging (fMRI) has greatly advanced our understanding of cerebral functional changes occurring in patients with multiple sclerosis (MS). However, most of our knowledge regarding brain plasticity and repair in MS as evidenced by fMRI has been extrapolated from cross-sectional studies across different phenotypes of the disease. This topical review provides an overview of this research, but also highlights limitations of existing fMRI studies with cross-sectional design. We then review the few existing longitudinal fMRI studies and discuss the feasibility and constraints of serial fMRI in individuals with MS. We further emphasize the potential to track fMRI changes in evolving disease and the insights this may give in terms of mechanisms of adaptation and repair, focusing on serial fMRI to monitor response to disease-modifying therapies or rehabilitation interventions. Finally, we offer recommendations for designing future research studies to overcome previous methodological shortcomings.
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https://hal-amu.archives-ouvertes.fr/hal-03501270
Contributor : Jean-Philippe RANJEVA Connect in order to contact the contributor
Submitted on : Thursday, December 23, 2021 - 9:32:30 AM
Last modification on : Tuesday, April 12, 2022 - 8:58:39 AM

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Christian Enzinger, Daniela Pinter, Maria Rocca, John de Luca, Jaume Sastre-Garriga, et al.. Longitudinal fMRI studies: Exploring brain plasticity and repair in MS. Multiple Sclerosis Journal, SAGE Publications, 2016, 22 (3), pp.269-278. ⟨10.1177/1352458515619781⟩. ⟨hal-03501270⟩

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