- Prospective Characterization of Cognitive Function in Typical and ‘Brainstem Predominant’Progressive Supranuclear Palsy Phenotypes
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Young-Eun C Lee, David R Williams, Jacqueline F I Anderson
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J Mov Disord. 2018;11(2):72-77. Published online May 30, 2018
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DOI: https://doi.org/10.14802/jmd.17067
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 Abstract
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- Objective
Clinicopathological studies over the last decade have broadened the clinical spectrum of progressive supranuclear palsy (PSP) to include several distinct clinical syndromes. We examined the cognitive profiles of patients with PSP-Richardson’s syndrome (PSP-RS) and two atypical ‘brainstem predominant’ PSP phenotypes (PSP-parkinsonism, PSP-P; and PSP-pure akinesia with gait freezing, PSP-PAGF) using a comprehensive neuropsychological battery.
Methods
Fourteen patients diagnosed as PSP-RS, three patients with PSP-P and four patients with PSP-PAGF were assessed using a comprehensive battery of neuropsychological tests.
Results
The typical PSP-RS subgroup demonstrated greater impairments in processing speed [t(19) = -4.10, p = 0.001 (d =1.66)] and executive function [t(19) = -2.63, p = 0.02 (d = 1.20)] compared to the ‘brainstem predominant’ PSP phenotype.
Conclusion
This is the first prospective study to demonstrate that PSP-RS and ‘brainstem predominant’ PSP phenotypes can be differentiated on cognitive grounds. These differences correspond with variations in pathological profiles reported in the literature.
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Citations
Citations to this article as recorded by  - Pathomechanisms of cognitive impairment in progressive supranuclear palsy
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Journal of Neuropsychology.2021; 15(3): 301. CrossRef - “Parkinson’s disease” on the way to progressive supranuclear palsy: a review on PSP-parkinsonism
Ján Necpál, Miroslav Borsek, Bibiána Jeleňová
Neurological Sciences.2021; 42(12): 4927. CrossRef - The Progressive Supranuclear Palsy: Past and Present Aspects
Theodore P. Parthimos, Kleopatra H. Schulpis
Clinical Gerontologist.2020; 43(2): 155. CrossRef - Progressive Supranuclear Palsy—Parkinsonism Predominant (PSP-P)—A Clinical Challenge at the Boundaries of PSP and Parkinson's Disease (PD)
Piotr Alster, Natalia Madetko, Dariusz Koziorowski, Andrzej Friedman
Frontiers in Neurology.2020;[Epub] CrossRef
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