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Further evidence for executive dysfunction in subjects with RLS from a non-clinical sample

Fulda, S. and Szesny, N. and Ising, M. and Heck, A. and Grubl, A. and Lieb, R. and Reppermund, S.. (2011) Further evidence for executive dysfunction in subjects with RLS from a non-clinical sample. Sleep Medicine, Vol. 12, Iss. 10. pp. 1003-1007.

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Official URL: http://edoc.unibas.ch/dok/A6043647

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Abstract

OBJECTIVE AND BACKGROUND:
Previous studies exploring cognitive functioning in RLS have either relied on medication free subjects sampled within a clinical context or on subjects with RLS symptoms identified within population samples. However, in contrast to clinical samples, population studies so far have not excluded the use of antidepressants, hypnotics, or RLS relevant medication, and study subjects were exclusively older in age. We therefore report on cognitive functioning in predominantly middle-aged individuals with RLS symptoms sampled from the general population and free of mental disorders and of hypnotic, psychopharmacological, or RLS relevant medication.
METHODS:
Participants with RLS symptoms and individually matched controls were identified within the MARS control study, a non-clinical control group study of 550 participants between 18 and 75 years. Cognitive functioning was assessed with the Trail Making Test A and B and a computerized German version of the Wisconsin Card Sorting Test (WCST). Performance was compared between 41 participants with RLS and 133 controls, and between a subgroup of 10 participants with frequent RLS symptoms (≥ 2/week) and 36 matched controls.
RESULTS:
There was no difference in cognitive functioning for the complete group of participants with RLS and controls. However, participants with frequent RLS symptoms showed impaired performance in the WCST.
CONCLUSION:
The results of this study add to the evidence that executive functioning is impaired in individuals with frequent RLS.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Forschungsbereich Klinische Psychologie und Neurowissenschaften > Klinische Psychologie und Epidemiologie (Lieb)
UniBasel Contributors:Lieb, Roselind and Heck, Angela
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:1389-9457
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:30 Nov 2017 07:43
Deposited On:04 Jan 2013 08:35

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