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

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Articles tagged "Visuospatial deficits"

  • 2024 International Congress

    The Cats-and-Dogs Test Predicts Cognitive Impairment in Parkinson’s Disease in a Diverse Population

    KC. Dey, D. Mair, A. Zirra, E. Camboe, T. Zannat, S. Haque, RS. Weil, DA. Gallagher, C. Budu, T. Haque, S. Ali, N. Mukadam, A. Habib, AJ. Noyce, CR. Marshall, S. Waters (London, United Kingdom)

    Objective: To establish whether a visuoperceptual tool (the Cats-and-Dogs test) can predict cognitive impairment (CI) in people with Parkinson’s disease (PwP) in a diverse population.…
  • 2024 International Congress

    Abnormal Top-down Perceptual Modulation Drives Visual Hallucinations in Parkinson’s Disease

    A. Cucca, M. Catalan, M. Liccari, TMI. Lombardo, V. Cenacchi, S. Rangan, CV. Manara, S. Mingolo, M. Murgia, T. Agostini, P. Manganotti (Trieste, Italy)

    Objective: Assess performance on computerized illusions across PD patients with (PD_Hal) and without (PD_NonHal) history of visual hallucinations and explore underlying cortical substrates. Background: In…
  • 2024 International Congress

    Gastrointestinal Dysbiosis and Clinical Outcomes in Parkinson’s Disease

    K. Julio, A. Vakhtin, H. Lin, A. Birg, N. Hoffman, S. Nitschke, N. Shaff, E. Erhardt, A. Mayer, D. Sugar, G. Suarez Cedeno, A. Deligtisch, S. Pirio Richardson, S. Ryman (Albuquerque, USA)

    Objective: To evaluate whether patients with PD exhibit 1) a bloom in sulfate-reducing bacteria based on the detection of hydrogen-sulfide (H2S) during lactulose breath testing…
  • 2024 International Congress

    Deep learning-based Prediction of Visual Dysfunction in Parkinson’s Disease from 31 Brain Regions of Interest using Quantitative Diffusion MRI

    C. Raimondo, L. Singanamala, M. Alizadeh (Philadelphia, USA)

    Objective: Compare the performance of deep learning and machine learning models trained on quantitative diffusion measurements in the prediction of visual dysfunction in Parkinson’s Disease…
  • 2024 International Congress

    One-year longitudinal decline in spatial location memory in Huntington’s disease

    M. Lunven, P. Vanden Enden, Y. Youssov, B. Bapst, G. Morgado, M. Busse, D. Craufurd, A. Rosser, AC. Bachoud-Lévi (Créteil, France)

    Objective: This study aimed to assess the capacity of the adapted version of the object-location memory task [1] to detect and monitor early Huntington’s Disease (HD) deficits.…
  • 2023 International Congress

    Neurophysiological architecture of visual categorization in early Parkinson’s disease with minor hallucinations

    L. Perez-Carasol, S. Martinez-Horta, A. Horta-Barba, A. Puig-Davi, J. Pagonabarraga, J. Kulisevsky (Barcelona, Spain)

    Objective: To explore the neurophysiological dynamics of visual categorization in Parkinson’s disease (PD) with minor hallucinations. Background: Different hypotheses have been proposed for visual hallucinations…
  • 2023 International Congress

    Application of multi-parametric diffusion MRI in detecting visual disturbances in advanced Parkinson’s disease population

    K. Shivok, I. Ailes, M. Syed, I. Shelley, A. Alhussein, I. Fayed, T-W. Liang, C. Wu, A. Sharan, F. Mohamed, R. Sergott, L. Krisa, M. Alizadeh (Philadelphia, USA)

    Objective: We aimed to identify differences in multi-parametric diffusion indices (DTI, NODDI, and DKI) between Parkinson’s disease patients with visual disturbances and those without. Background:…
  • 2023 International Congress

    Low Vision Occupational Therapy for Parkinson’s Disease – A Pilot Study at the University of Alabama at Birmingham

    C. Parker, M. Maher, J. Vice, L. Lieb, M. Dean (BIRMINGHAM, USA)

    Objective: Assess usefulness of low vision occupational therapy (OT) in a small cohort of Parkinson’s disease (PD) patients. Background: PD patients report vision-related symptoms more…
  • 2023 International Congress

    Perception of the subjective visual vertical in subjects with cervical dystonia

    I. Reuter (Gießen, Germany)

    Objective: The Aim of the study was to assess:1.) if the perception of the visual vertical (VV) is impaired in subjects with cervical dystonia (CDsub),…
  • 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…
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