MDS Abstracts

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

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Articles tagged "Dystonia: Pathophysiology"

  • 2024 International Congress

    Transcranial magnetic stimulation target comparison identifies motor network reorganization associated with behavioral improvement in writer’s cramp dystonia

    N. Bukhari-Parlakturk, P. Mulcahey, M. Lutz, R. Ghazi, Z. Huang, M. Dannhauer, P. Termsarasab, B. Scott, Z. Simsek, S. Groves, M. Lipp, M. Fei, T. Tran, E. Wood, L. Beynel, C. Petty, J. Voyvodic, L. Appelbaum, H. Al-Khalidi, S. Davis, A. Michael, A. Peterchev, N. Calakos (Durham, USA)

    Objective: This study aims to reveal the motor network effects of repetitive transcranial magnetic stimulation (rTMS) in Writer's cramp (WC) subjects that correspond to behavioral efficacy.…
  • 2024 International Congress

    Cervical Dystonia Objectively Measured with Wearable Sensor System

    B. Dahlben, P. Mulcahey, S. Lee, A. Norain, R. Ghazi, N. Bukhari-Parlakturk (Durham, USA)

    Objective: To develop an objective measure for a dystonia subtype called cervical dystonia (CD) using a commercially available wearable sensor technology. Background: CD is a…
  • 2024 International Congress

    Neural oscillatory dynamics in Parkinson disease and dystonia: Insights from EEG analysis

    M. Alam, A. Beck, K. Schwabe, J. Krauss (Hannover, Germany)

    Objective: Changes in total power and entropy across raw data may enable the identification of comprehensive shifts in neural dynamics that may align with clinical…
  • 2024 International Congress

    Impact of Surrounding Audio-Visual Complexity on Symptomatology of Laryngeal Dystonia: A Virtual Reality Study

    J. Petit, S. Ehrlich, G. Tougas, J. Bernstein, N. Buie, K. Simonyan (Boston, USA)

    Objective: We examine the impact of surrounding audio-visual on Laryngeal Dystonia (LD) symptomatology to better understand its phenomenology. Background: LD is an isolated focal dystonia…
  • 2024 International Congress

    Chronic striatal cholinergic agonist infusion as a model of dystonia

    E. Courtin, B. Ribot, M. Deffains, D. Guehl, P. Burbaud (Bordeaux, France)

    Objective: The objectives of this work were to create a primate model of dystonia based on striatal infusion of a muscarinic agonist (oxotremorin), and to…
  • 2024 International Congress

    Structural and Functional Brain Alterations in Laryngeal Dystonia: A Coordinate-Based Activation Likelihood Estimation Meta-Analysis

    N. Kshatriya, G. Battistella, K. Simonyan (Boston, USA)

    Objective: Efforts to understand laryngeal dystonia (LD) pathophysiology using neuroimaging techniques have demonstrated altered brain structure and function in patients compared to healthy controls1-5. However,…
  • 2024 International Congress

    Task-Based Functional Imaging in Task-Specific Focal Dystonia during Dystonia-Related and -Unrelated Tasks

    B. Huynh, Y. Wang, M. Chen, E. Narinsky, YL. Kuo, T. Kimberley (Boston, USA)

    Objective: To use task-based functional magnetic resonance imaging [fMRI] to examine body region-specific sensorimotor changes with the long-term goal of identifying potential unifying pathophysiological fMRI features…
  • 2024 International Congress

    GABA in the Basal Ganglia Tracks Motor Severity and Response to BoNT Treatment in Cervical Dystonia

    C. Dintino, C. Groth, B. Berman (Richmond, USA)

    Objective: Determine if GABA and glutamate levels within sensorimotor network nodes correlate with symptom severity in cervical dystonia (CD) and are altered by botulinum neurotoxin…
  • 2024 International Congress

    Abnormal brain iron metabolism influences neural function in isolated laryngeal dystonia

    G. Battistella, L. Xavier, A. Vortmeyer, K. Simonyan (Boston, USA)

    Objective: To investigate iron accumulation as a pathophysiological signature of laryngeal dystonia (LD) and assess the abnormal influence of iron on neural activity within the…
  • 2023 International Congress

    DBS and neck muscle vibration shift impaired pallidal multifractal complexity towards the normal state in dystonia patients

    U. Semenova, A. Tomskiy, I. Dzhalagoniya, A. Sedov (Moscow, Russian Federation)

    Objective: To assess the effects of modulation of neck proprioception and deep brain stimulation (DBS) on multifractal characteristics of pallidal local field potentials Background: The…
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