Publication Date

2023

Document Type

Book

Description

Parkinson’s Disease (PD) is characterized by both motor, non-motor symptoms, as well as cognitive changes. Given the background of this disease, and the impact external stimulation has on exacerbating symptoms, it is hypothesized that (1) verbal fluency dual task walking conditions will be associated with slower gait speed, and (2) verbal fluency tasks performed in sitting will yield faster and more accurate response rates than walking verbal fluency tasks. To evaluate motor performance, participants were asked to ambulate at their self-selected speed for 3 ST and 3 DT trials across a 10m walkway. The Wilcoxon Signed Rank test was used to identify differences between the ST & DT conditions for both motor and cognitive performance. The results indicate that in individuals with PD, the accuracy and quantity of responses decrease, which may jeopardize their ability to effectively perform multiple tasks. The heterogeneous nature of the subjects might indicate providing individualized interventions.

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Dual Task Cost of Motor and Cognitive Performance in Individuals with Parkinson’s Disease
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