MDS Abstracts

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

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  • MDS Virtual Congress 2021

    DO FREEZING OF GAIT AND GAIT AUTOMATICITY IN PARKINSON’S DISEASE SHARE THE SIMILAR NEURAL SUBSTRATE?

    F. de Almeida, C. Ugrinowitsch, M. Nucci, D. Coelho, A. Moreira-Neto, E. Barbosa, L. Teixeira, E. Amaro JR., F. Horak, M. Mancini, C. Silva-Batista (São Paulo, Brazil)

    Objective: To verify if freezing of gait (FOG) in Parkinson’s disease (PD) and gait automaticity share a similar neural substrate. Background: FOG in PD may…
  • MDS Virtual Congress 2021

    Resting-state connectivity predictors for prefrontal cortex activity during walking in Parkinson’s disease.

    H. Ding, I. Maidan, A. Droby, J. Hausdorff, A. Mirelman, S. Groppa, M. Muthuraman (Mainz, Germany)

    Objective: Investigating whether resting-state brain connectivity can predict prefrontal cortex activity (PFCA) during walking for patients with Parkinson's disease (PD) and reflect the benefits of…
  • MDS Virtual Congress 2021

    Aberrant dopamine transporter and functional connectivity patterns in LRRK2 and GBA non-manifesting carriers

    A. Droby, M. Artzi, H. Lerman, RM. Hutchison, D. Ben Bashat, N. Omer, T. Gurevich, A. Orr-Urtreger, B. Cohen, J. Cedarbaum, E. Even Sapir, N. Giladi, A. Mirelman, A. Thaler (Tel Aviv, Israel)

    Objective: We aimed to study the association between presynaptic striatal dopamine uptake and functional connectivity (FC) patterns among healthy first-degree relatives of PD patients with…
  • MDS Virtual Congress 2021

    An Eyes-Open/Closed Manipulation Reveals Disrupted Default Mode Network Connectivity in Parkinson’s Disease and REM Sleep Behavior Disorder

    T. Ellmore, J. Suescun, S. Chandra, V. Thyne, M. Schiess (New York, USA)

    Objective: To spatially localize disruptions in default mode network connectivity in prodromal and diagnosed Parkinson’s disease relative to controls. Background: Previously our research team reported…
  • MDS Virtual Congress 2021

    A DIFFERENT RADIOLOGICAL PERSPECTIVE ON PARKINSON’S DISEASE AND PARKINSONISM: TRANSCRANIAL SONOGRAPHY

    S. Eroglu Durmaz, O. Kursun, N. Oztekin, Y. Sucullu Karadag (Ankara, Turkey)

    Objective: This study aims to investigate the reliability of Transcranial Sonography (TCS) in the diagnosis of Parkinson’s Disease (PD) and its contribution to the differential…
  • MDS Virtual Congress 2021

    Compensatory functional mechanisms of response inhibition in Parkinson’s Disease with impulse control disorders

    T. Esteban-Peñalba, P. Paz-Alonso, I. Navalpotro-Gomez, M. Rodriguez-Oroz (Donostia, Spain)

    Objective: To investigate response inhibition in Parkinson’s disease (PD) patients with impulse control disorders. Specifically, the neural underpinnings of two aspects of inhibition: proactive inhibition…
  • MDS Virtual Congress 2021

    DAT-IQ improves power to detect longitudinal change in DaT deficit in SURE-PD3

    Z. Fan, J. Seibyl, K. Marek, M. Schwarzschild, E. Macklin, R. Gunn (London, United Kingdom)

    Objective: DATIQ has been developed as a novel analytical approach to improve the sensitivity and statistical efficiency of dopamine transporter (DaT) SPECT quantification over previously…
  • MDS Virtual Congress 2021

    EVOLUTION OF PARKINSON’S DISEASE IN PATIENTS WITH ESSENTIAL TREMOR: CLINICAL AND NEUROIMAGING ASPECTS

    G. Froehner, C. Camargo, G. Fabiani, A. Meira, H. Teive (Curitiba, Brazil)

    Objective: Analyze the result of the SPECT-TRODAT image exam in patients with ET and to evaluate the predictive value of a possible evolution to the…
  • MDS Virtual Congress 2021

    Dynamic functional connectivity changes in Parkinson’s disease patients with REM sleep behavior disorder

    C. Gan, K. Zhang, Y. Yuan (Nanjing, China)

    Objective: Our aim was to explore dynamic network connection changes in PD patients with RBD. Background: Rapid eye movement (REM) sleep behavior disorder (RBD) is…
  • MDS Virtual Congress 2021

    Impaired interhemispheric synchrony in Parkinson’s disease patients with impulse control disorders

    C. Gan, K. Zhang, Y. Yuan (Nanjing, China)

    Objective: Our objective was to probe the significant role of lateralization in the pathogenesis of ICD. Background: Impulse control disorders (ICD) in Parkinson’s disease (PD) might…
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