パーキンソン病における上肢運動機能障害の定量化　反応運動と視標追跡運動時の有効パラメーターの検討

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タイトル別名
  • Quantitative Analysis of Voluntary Movement Disorders in the Upper Limbs of Patients with Parkinson's Disease-Distinguishing Parameters in Reaction Movement and Visual Tracking Motion.
  • パーキンソンビョウ ニ オケル ジョウシ ウンドウ キノウ ショウガイ ノ テイリョウカ ハンノウ ウンドウ
  • Distinguishing Parameters in Reaction Movement and Visual Tracking Motion
  • 反応運動と視標追跡運動時の有効パラメーターの検討

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A quantitative analysis system for the functions of voluntary movements in the upper limbs was developed to identify parameters for distinguishing the movement functions of normal subjects and patients with Parkinson's disease. This system consisted of a personal computer and a digitizer tablet, to test a reaction movement task and a repetitive straight line motion task with visual tracking. Analysis of the reaction movement task showed that execution time was longer in patients with Parkinson's disease than that in normal subjects. The deviation component of the repetitive straight line motion task, which is the error in the vertical orientation from the trajectory of the target, was greater in the patients than in the normal subjects. Whereas, the delay component of the repetitive straight line motion task, which is the error in time from the trajectory of the target, was no difference between the two groups. Patients with Parkinson's disease were unable to modify their movement velocity to adapt to a visual tracking task with variable speeds, and also had difficulty in the tracking task in the horizontal orientation, but not in the vertical orientation.

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