Cognitive functioning in post‐polio patients with and without general fatigue
Gunilla Östlund A1, A3, Kristian Borg A1, A3, Åke Wahlin A2, A4
A1 Department of Public Health Science, Karolinska Institutet
A2 Stockholm Gerontology Research Centre and Division of Geriatric Epidemiology, Karolinska Institutet
A3 Department of Rehabilitation Medicine at, Huddinge University Hospital
A4 Department of Psychology, Stockholm University, Stockholm, Sweden
Objective and design: This study examined 2 main hypotheses. First, whether patients with post-polio suffering from general fatigue (n=10) demonstrate cognitive deficits compared with patients with post-polio without general fatigue (n=10). Secondly, by systematically varied test order administration we examined whether such differences varied as a function of increasing cognitive load during cognitive testing.Subjects: Twenty patients diagnosed with post-polio syndrome, 10 with general fatigue and 10 without fatigue.Results: Neither of the 2 hypotheses were confirmed. The group with general fatigue reported elevated levels of depression. However, no systematic association between level of depression and cognitive performance could be detected.Conclusion: The results of this study provide no evidence that general fatigue or cognitive load affects cognitive functioning in post-polio.
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