This article describes data related to the research study entitled “The neural correlate of gait improvement by rhythmic sound stimulation in adults with Parkinson's disease – A functional magnetic resonance imaging study” . We evaluated gait performance using the 10-meter walk test (10MWT) in adults with Parkinson's disease (PD) and age-matched healthy controls (HC). Gait speed (GS) and step length (SL) were calculated from the results of the 10MWT. We also evaluated neural activities in regions that were significantly activated by gait imagery in adults with PD using functional magnetic resonance imaging (fMRI). The correlation among GS, SL, and activation of blood oxygenation level-dependent (BOLD) signals by gait imagery in adults with PD. Both GS and SL were smaller in adults with PD than in HCs. The left parietal operculum (PO), left supplementary motor area (SMA), and right cerebellum were activated by gait imagery in adults with PD. No significant correlation was found in any pair of gait performance and neural activation of such regions. This data set could be reused for studies to investigate the relationship between gait performance and neural activities in adults with PD.
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