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Including a subject-paced trial may make the PASAT more acceptable for MS patients
Stockholm University, Faculty of Social Sciences, Department of Psychology. Karolinska Institutet, Sweden.
Number of Authors: 3
2015 (English)In: Acta Neurologica Scandinavica, ISSN 0001-6314, E-ISSN 1600-0404, Vol. 132, no 4, 219-225 p.Article in journal (Refereed) Published
Abstract [en]

The Paced Auditory Serial Addition Test (PASAT) is regularly used in the evaluation of cognition in multiple sclerosis (MS). However, the test may impose frustration, distress, and anxiety in patients, which may result in refusal to participate by many patients. ObjectivesIn this study, a subject- and experimenter-paced PASAT was compared and analyzed, with regard to independent measures of cognitive functions, as well as disability, fatigue, depression, and anxiety. MethodsA population-based sample of patients with MS (n=34; mean age 47.28.6) was examined with the PASAT, including a subject-paced condition, in addition to the standard experimenter-paced conditions using three levels of interstimuli intervals (ISI: 3.0, 2.5, and 2.0s). A comprehensive set of neuropsychological tests, measures of disease severity, fatigue, anxiety, and depression were studied as potentially associated factors. ResultsSubject- and experimenter-paced PASAT performance correlated significantly and the subject-paced administration correlated even higher with measures of information processing speed, executive function, attention, and working memory than standard experimenter-paced administration of PASAT. DiscussionThe associations between PASAT performance and measures of fatigue, anxiety, and depression were not significant. ConclusionThe results indicate that the altered PASAT procedure measures the same cognitive functions in MS as the standard procedure. At the same time, the altered procedure may make the PASAT more user-friendly for patients with MS.

Place, publisher, year, edition, pages
2015. Vol. 132, no 4, 219-225 p.
Keyword [en]
multiple sclerosis, Paced Auditory Serial Addition Test, subject-paced
National Category
URN: urn:nbn:se:su:diva-121487DOI: 10.1111/ane.12385ISI: 000360801700001OAI: diva2:860621
Available from: 2015-10-13 Created: 2015-10-05 Last updated: 2015-10-13Bibliographically approved

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Almkvist, Ove
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