MDS Abstracts

Abstracts from the International Congress of Parkinson’s and Movement Disorders.

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Articles tagged "Functional magnetic resonance imaging(fMRI)"

  • 2023 International Congress

    The role of the default mode network and striatal circuits in the expression of depressive symptoms in premanifest Huntington’s disease

    T. Barta, L. Novelli, N. Georgiou-Karistianis, J. Stout, S. Loi, Y. Glikmann-Johnston, A. Razi (Clayton, Australia)

    Objective: This study aimed to investigate changes in large-scale network effective connectivity of the default mode network (DMN) and striatum in the expression of depression…
  • 2023 International Congress

    Individual-specific brain functional connectivity mapping of therapeutic response in task-specific focal dystonia

    E. Gordon, K. Matthews, A. Meyer, S. Norris (St. Louis, USA)

    Objective: Determine therapeutic effects of botulinum toxin on functional connectivity in individuals with task-specific dystonia. Background: Isolated task-specific dystonia occurs during specific activities, but not…
  • 2023 International Congress

    Functional circuit abnormalities in Levodopa-induced dyskinesia in Parkinson’s disease: A systematic review

    B. Thomsen, M. Vinding, D. Meder, L. Marner, A. Løkkegaard, H. Siebner (Hvidovre, Denmark)

    Objective: Levodopa-induced dyskinesia (LID) in Parkinson’s disease (PD) are involuntary movements caused by long-term treatment with dopaminergic replacement therapy (levodopa). During the cause of PD,…
  • 2023 International Congress

    Multimodal neuroimaging to probe brain networks in Cervical Dystonia.

    SR. Bostan, R. King, C. Fearon, M. Hutchinson, R. Reilly (Dublin, Ireland)

    Objective: We employed a multimodal approach to gain a comprehensive understanding of the pathophysiology of cervical dystonia. The aim was to assess behavioural, microstructural, and…
  • 2023 International Congress

    Progression of striatocortical dysfunction in Parkinson’s disease: a longitudinal combined PET and fMRI study

    K. Steidel, M. Ruppert-Junck, A. Greuel, M. Tahmasian, F. Maier, J. Hammes, T. van Eimeren, L. Timmermann, M. Tittgemeyer, A. Drzezga, C. Eggers, D. Pedrosa (Marburg, Germany)

    Objective: To investigate the longitudinal progression of striatal dopaminergic dysfunction and its consequences on functional connectivity (FC) networks and clinical progression in Parkinson's disease (PD)…
  • 2023 International Congress

    Evidence of Central Autonomic Network dysfunction in orthostatic hypotension of Parkinson’s disease

    L. Xavier, E. Dayan, N. Browner, M. Sklerov (Carrboro, USA)

    Objective: To examine the contribution of the central autonomic network (CAN) to physiologic evidence of autonomic failure in Parkinson’s disease (PD). Background: Autonomic dysfunction, particularly…
  • 2023 International Congress

    Clinical severity in Parkinson’s disease is determined by decline in cortical compensation

    M. Johansson, I. Toni, R. Kessels, B. Bloem, R. Helmich (Nijmegen, Netherlands)

    Objective: We tested whether inter- and intra-individual differences in clinical severity are determined by cortical compensation, and not just by basal ganglia dysfunction. Background: Motor…
  • 2023 International Congress

    Understanding the Mechanisms of Brain Dysfunction when Performing the Mental Rotation Task (MRT) in Stage 1 and Stage 2 EOPD using brain imaging

    J. Razzaque, B. Mullen, C. Dougherty, A. Cotton, D. Wagner, S. Ravi, K. Le, K. Iyer, M. Subramanian, J. Wang, K. Venkiteswaran, T. Subramanian, P. Eslinger (Toledo, USA)

    Objective: Our aim is to understand MRT abnormalities in PD using fMRI and whether it can be used as a clinical marker for disease progression…
  • 2023 International Congress

    Effects of intermittent theta burst stimulation over primary motor cortex on functional connectivity in Parkinson’s disease patients

    G. Kotsoev, E. Fedotova, E. Kremneva, I. Bakulin, A. Poydasheva, N. Suponeva (Moscow, Russian Federation)

    Objective: To explore functional effect of intermittent theta burst stimulation (iTBS) protocol over primary motor cortex (M1) in Parkinson’s disease (PD) patients. Background: PD is…
  • 2023 International Congress

    Visual networks connectivity in subjects with Parkinson’s disease and visual disturbances using resting state fMRI

    O. Shoraka, M. Syed, I. Shelley, K. Shivock, TW. Liang, RC. Sergott, I. Fayed, A. Sharan, M. Alizadeh (Philadelphia, USA)

    Objective: Our study aimed to analyze the alterations in visual network functional connectivity (FC) in subjects with PD and concomitant visual disturbance (VD) and/or visual…
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