Motor planning error in Parkinson's disease and its clinical correlates

Tsubasa Kawasaki, Kyohei Mikami, Tsutomu Kamo, Ryoma Aoki, Rumiko Ishiguro, Hiroshi Nakamura, Ryosuke Tozawa, Nao Asada, Yukinobu Hiiragi, Yoichi Yamada, Masahiro Hirano and Kazuko Katsuki

PLOS ONE, 2018, vol. 13, issue 8, 1-10

Abstract: This study aimed to investigate (a) motor planning difficulty by using a two-step test in Parkinson’s disease (PD) compared with age-matched healthy subjects and (b) the relationship between motor planning difficulty and clinical factors. The two-step test was performed by 58 patients with PD with Hoehn & Yahr (H&Y) stage I–IV and 110 age-matched healthy older adult controls. In the two-step test, the participants estimated the two-step distance with maximum effort. Subsequently, they performed the actual two-step trial to measure the actual maximum distance. We calculated the accuracy of the estimation (estimated distance minus actual distance). In both groups, subjects who estimated >5 cm were defined as the overestimation group, and those who estimated

Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0202228

DOI: 10.1371/journal.pone.0202228

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