Nicola Edelstyn
Effect of disease severity and dopaminergic medication on recollection and familiarity in patients with idiopathic nondementing Parkinson's.
Edelstyn, Nicola; Shepherd, Tom A.; Mayes, Andrew R.; Sherman, Susan M.; Ellis, Simon J.
Authors
Abstract
The effect of disease severity and dopaminergic medication on the assessment of familiarity and the recollection of episodic details during recognition in nondementing idiopathic Parkinson's is uncertain. Some studies have reported familiarity as deficient in mild Parkinson's yet others have found it intact even in moderate Parkinson's. Recollection has been found to be both preserved and deficient in mild and moderate Parkinson's. The extent to which these conflicting findings are explained by disease severity or dopaminergic medication or a combination of the two is uncertain, as all studies assessed patients in a medicated state, and disease severity has not always been consistently reported. Twelve patients with mild Parkinson's and 11 with moderate Parkinson's (medicated Hoehn and Yahr mean: 2.1 and 3.2, respectively), completed matched versions of a yes/no recognition memory test in a medicated and unmedicated condition (termed ON and OFF, respectively). Twenty-one matched healthy volunteers also completed both memory tasks in 2 separate sessions (termed Blue and Green, respectively). In the ON/Green condition, the moderate Parkinson's recollection performance was significantly poorer than the healthy volunteers and mild Parkinson's. By contrast, recognition memory and familiarity measures in both Parkinson's group were relatively spared. In the OFF/Blue condition, the moderate Parkinson's recollection was impaired, but only in relation to the healthy volunteer set. There were no significant differences in recollection performance between the mild and moderate Parkinson's groups. Again, recognition memory and familiarity measures in both Parkinson's group were relatively spared. Further analyses showed the moderate patients’ recollection rates to be significantly poorer ON-medication compared to OFF. These findings are discussed in relation to the staging of disease progression on medial temporal areas which separately support recollection and familiarity, and the putative effects the different classes of dopaminergic drugs may have on these areas.
Citation
Edelstyn, N., Shepherd, T. A., Mayes, A. R., Sherman, S. M., & Ellis, S. J. (2010). Effect of disease severity and dopaminergic medication on recollection and familiarity in patients with idiopathic nondementing Parkinson's. Neuropsychologia, 48(5), 931 -938. https://doi.org/10.1016/j.neuropsychologia.2009.12.039
Journal Article Type | Article |
---|---|
Acceptance Date | Dec 21, 2009 |
Online Publication Date | Dec 29, 2009 |
Publication Date | 2010-04 |
Publicly Available Date | May 26, 2023 |
Journal | Neuropsychologia |
Print ISSN | 0028-3932 |
Publisher | Elsevier |
Volume | 48 |
Issue | 5 |
Pages | 931 -938 |
DOI | https://doi.org/10.1016/j.neuropsychologia.2009.12.039 |
Keywords | Parkinson's disease; dopaminergic medication, disease severity, recollection, familiarity |
Publisher URL | http://dx.doi.org/10.1016/j.neuropsychologia.2009.12.039 |
PMID | 20036678 |
Files
NSY_3539[1].pdf
(758 Kb)
PDF
Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
You might also like
Downloadable Citations
About Keele Repository
Administrator e-mail: research.openaccess@keele.ac.uk
This application uses the following open-source libraries:
SheetJS Community Edition
Apache License Version 2.0 (http://www.apache.org/licenses/)
PDF.js
Apache License Version 2.0 (http://www.apache.org/licenses/)
Font Awesome
SIL OFL 1.1 (http://scripts.sil.org/OFL)
MIT License (http://opensource.org/licenses/mit-license.html)
CC BY 3.0 ( http://creativecommons.org/licenses/by/3.0/)
Powered by Worktribe © 2025
Advanced Search