MDS Abstracts

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

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Articles tagged "Dystonia: Pathophysiology"

  • 2022 International Congress

    High frequency neck vibration changes the pallidal activity in cervical dystonia

    A. Sedov, A. Gamaleya, U. Semenova, S. Usova, R. Medvednik, A. Tomskiy, H. Jinnah, A. Shaikh (Moscow, Russian Federation)

    Objective: The aim of the current study is to characterize changes in spontaneous pallidal neuronal activity during modulation of peripheral proprioceptive input by means of…
  • 2022 International Congress

    Cervical Dystonia After Resection of Posterior Fossa Meningioma

    M. Vera, A. Grau, L. Lugo (Weston, USA)

    Objective: Report a case of a patient with cervical dystonia after removal of a posterior fossa meningioma. Background: Secondary dystonia is a large and diverse…
  • 2022 International Congress

    Whole-brain metabolic pattern analysis of faciobrachial dystonic seizures (FBDS)

    J. Mo, K. Zhang, X. Shao (Beijing, China)

    Objective: Whole-brain metabolic network analysis was performed to 1) identify the symptomatic network of faciobrachial dystonic seizures (FBDS); 2) to explore independent neuroimaging predictors; and…
  • 2022 International Congress

    Task-Specific Dystonia is a predominant disorder of Top-Down Sensorimotor integration

    S. Merchant, M. Hallett (Boston, USA)

    Objective: In this study we investigate two neurophysiologic variables testing for central-peripheral and peripheral-central mechanisms of SM integration in a cohort of TSD to evaluate…
  • 2022 International Congress

    Highlighting the dystonic phenotype related to GNAO1

    T. Wirth, G. Garone, M. Kurian, A. Piton, F. Milan, A. Telegrafi, N. Drouot, G. Rudolf, J. Chelly, W. Marks, L. Burglen, D. Demailly, P. Coubes, M. Castro-Jimenez, S. Joriot, J. Ghoumid, J. Belin, J-M. Faucheux, L. Blumkin, M. Hull, M. Parnes, C. Ravelli, A. Nemeth, M. Smith, A. Barnicoat, C. Ewenczyk, A. Méneret, E. Roze, B. Keren, C. Mignot, C. Beroud, F. Acosta, C. Nowak, W. Wilson, D. Steel, A. Capuano, M. Vidailhet, J-P. Lin, C. Tranchant, L. Cif, D. Doummar, M. Anheim (Strasbourg, France)

    Objective: To characterize the clinical and genetic features of patients with mild GNAO1-related phenotype with prominent movement disorders. Background: Most reported patients carrying GNAO1 mutations…
  • 2022 International Congress

    GPi-DBS induced brain metabolic activation in cervical dystonia

    EA. Honkanen, J. Korpela, E. Pekkonen, J. Aaltonen, M. Koivu, O. Eskola, H. Eldebakey, J. Volkmann, V. Kaasinen, MM. Reich, J. Joutsa (Turku, Finland)

    Objective: To investigate the effects of GPi-DBS on brain glucose metabolism locally at the stimulation site and across the whole brain in patients with cervical…
  • 2022 International Congress

    Pallidal firing rate and alpha oscillations correlate with the severity of clinical symptoms in patients with dystonia

    U. Semenova, R. Medvednik, A. Tomskiy, V. Popov, A. Sedov (Moscow, Russian Federation)

    Objective: To examined how pallidal activity correlates with symptom severity across dystonic patients. Background: The internal segment of globus pallidus (GPi) is the most common…
  • 2022 International Congress

    Finely tuned gamma oscillations across the motor system in patients with isolated dystonia implanted with sensing-enabled pulse generators

    S. Cernera, M. Olaru, C. Oehrn, S. Little, P. Starr (San Francisco, USA)

    Objective: To characterize the functional role of finely tuned gamma (FTG) oscillations across the motor network in freely-moving patients with dystonia. Background: FTG has been…
  • 2022 International Congress

    Electrophysiological analysis of tremor in patients with writer’s cramp

    D. Biswas, R. Anandapadmanabhan, A. Vishnoi, R. Rajan, A. Srivastava (New Delhi, India)

    Objective: To define the electrophysiological characteristics of tremor in patients with writer’s cramp. Background: Writer's cramp is a common form of focal, task-specific dystonia which…
  • 2022 International Congress

    Nicotine and influences on hyperkinetic movement disorders

    J. Qiu, L. Williams, H. Morales-Briceño, D. Olszewska, T. Lynch, V. Fung (Sydney, Australia)

    Objective: We describe hyperkinetic movement disorders with a variable response to smoking and nicotine and review clinical and pre-clinical evidence regarding the role of smoking,…
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