MDS Abstracts

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

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Articles tagged "Dystonia: Pathophysiology"

  • 2025 International Congress

    Probing Social Cognition and Emotional Facial Expression Recognition in Cervical Dystonia through Integration of EEG and Eye-Tracking

    D. Diez Clarke, V. Georgiadou, C. O'Keeffe, J. Inocentes, A. Gallagher, S. Rafee, O. Killian, L. Williams, S. O'Riordan, M. Hutchinson, R. Reilly, C. Fearon (Dublin, Ireland)

    Objective: To examine facial emotional recognition and processing in Cervical Dystonia (CD) subjects as a test of whether Social Cognition (SoC) is impaired compared to…
  • 2025 International Congress

    Molecular Studies Reveal Overactive Interferon (IFN) Pathway in Two Monogenic Inherited Dystonia Types.

    S. Avula, E. Swager, R. Patel (Columbia, USA)

    Objective: Our overall objective was to investigate the involvement of type I interferons (IFNs) in DYT-PRKRAand DYT-EIF2AK2. IFNs are antiviral cytokines produced by all cell…
  • 2025 International Congress

    Perceptual Decision Making in Cervical Dystonia: Development of a a Novel Integrated Neurobehavioural-Neurophysiological Method.

    O. Killian, A. Gill, K. Miyauchi, S. Rafee, S. O'Riordan, L. Williams, C. Fearon, R. Reilly (Dublin, Ireland)

    Objective: To investigate perceptual decision-making (PDM) in cervical dystonia (CD) using a novel paradigm and determine the neural basis of PDM abnormalities in a CD…
  • 2025 International Congress

    The Cholinergic System in Cervical Dystonia – An [18F]-FEOBV PET study

    S. Lagerweij, J. Dalenberg, M. Smit, L. Centen, M. Coenen, M. van Egmond, E. de Vries, D. Peretti, M. Tijssen (Groningen, Netherlands)

    Objective: To investigate presynaptic cholinergic functioning in cervical dystonia (CD) by comparing [18F]-FEOBV binding in patients and controls, as well as exploring correlations with motor…
  • 2025 International Congress

    Precision Functional MRI Mapping of Therapeutic Response in Focal Hand Dystonia

    A. Morris, L. Xavier, A. Meyer, E. Gordon, S. Norris (Saint Louis, USA)

    Objective: To apply precision functional mapping (PFM) to characterize individual-specific network changes in persons with focal hand dystonia (FHD) before and after botulinum toxin (BTX)…
  • 2025 International Congress

    Excitatory/inhibitory Balance Differences Suggests Distinct Pathophysiology Between Blepharospasm and Cervical Dystonia

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

    Objective: To determine if excitatory/inhibitory balance (E/I) within the sensorimotor network is linked to motor symptoms in two distinct subtypes of isolated focal dystonia. Background:…
  • 2025 International Congress

    Action-Induced Dystonic Opisthotonus as an Atypical Presentation in Ataxia Telangiectasia

    TL. Lee (Tainan, Taiwan)

    Objective: We present a rare case of Ataxia-telangiectasia (AT) characterized by intermittent action-induced dystonic opisthotonus causing frequent vomiting after meals intake [figure1]. Background: AT is…
  • 2025 International Congress

    The Effect of Body Position on Cortical and Peripheral Neurophysiology of Adductor-type Laryngeal Dystonia: A Pilot Study

    J. Pierce, R. Gillam, B. Kirwan, A. Dorval, A. Hancock, A. Stark, D. Legler, H. da Silva, M. Smith, K. Simonyan, J. Barkmeier-Kraemer (Salt Lake City, USA)

    Objective: To compare the effect of body position on CNS and PNS function and associated adductor-type laryngeal dystonia (AdLD) voice symptomatology. Background: Body position impacts…
  • 2025 International Congress

    Tracking Physiological Biomarker Activity in the Globus Pallidus Internus in Two Dystonia Patients Implanted with Medtronic Percept™

    S. Alberico, M. Berns, B. Pereira Rios, J. Aman, M. Park, D. Darrow, J. Vitek, L. Almeida (Minneapolis, USA)

    Objective: Explore potential biomarkers in dystonia patients implanted with Medtronic Percept™. Background: Though highly variable in presentation and underlying cause, individuals with dystonia present with…
  • 2025 International Congress

    White Matter and Subcortical Alterations in Focal Dystonia: A MRI Study of Subtype-Specific Brain Changes

    J. de Paiva, D. de Faria, V. Borges, S. Silva, H. de Ferraz, P. Aguiar (Sao Paulo, Brazil)

    Objective: To assess structural brain alterations in patients with cervical dystonia (CD) and focal upper limb dystonia (ULD) relative to healthy controls, using MRI exploratory…
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