Measuring implicit sequence learning and dual task ability in mild to moderate Parkinson's disease: A feasibility study

We investigated the feasibility aspects of two choice reaction time tasks designed to assess implicit sequence learning and dual task ability in individuals with mild to moderate Parkinson's disease in comparison to healthy individuals. Twelve individuals with mild to moderate Parkinson's disease and 12 healthy individuals, all . 60 years of age, were included. A serial reaction time task was used as a measure of implicit sequence learning and a similar task but with the addition of a simple counting task, was used as a measure of dual task ability. We have present thorough descriptive statistics of the data but we have refrained from any inferential statistics due to the small sample size. All participants understood the task instructions and the difficulty level of both tasks was deemed acceptable. There were indications of task fatigue that demand careful choices for how best to analyse the data from such tasks in future trials. Ceiling effects were present in several accuracy outcomes, but not in the reaction time outcomes. Overall, we found both tasks to be feasible to use in samples of individuals with mild to moderate Parkinson's disease and healthy older individuals.

Johansson, HannaKarolinska Institutet (author)
Lebedev, Alexander V. (author)
Ekman, UrbanKarolinska Institutet (author)
Lövdén, Martin,1972Karolinska Institutet,Stockholms universitet,Gothenburg University,Göteborgs universitet,Psykologiska institutionen,Department of Psychology,Centrum för forskning om äldre och åldrande (ARC), (tills m KI),Gothenburg University, Sweden(Swepub:gu)xlovma (author)
Franzén, ErikaKarolinska Institutet (author)
Karolinska InstitutetPsykologiska institutionen (creator_code:org_t)

By the author/editor: Freidle, Malin; Johansson, Hanna; Lebedev, Alexand ...; Ekman, Urban; Lövdén, Martin, ...; Franzén, Erika

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Clinical Medicin ...; and Neurology

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Neurosciences

By the university: University of Gothenburg; Stockholm University; Karolinska Institutet

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