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首页> 外文期刊>IEEE systems journal >Positive and Negative Motor Signs of Head Motion in Cerebral Palsy: Assessment of Impairment and Task Performance
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Positive and Negative Motor Signs of Head Motion in Cerebral Palsy: Assessment of Impairment and Task Performance

机译：脑性瘫痪中头部运动的正负运动迹象：损伤和任务表现的评估

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This paper analyzes the presence of positive and negative motor signs in people with cerebral palsy (CP). Positive motor signs are those that lead to involuntarily increased frequency or magnitude of muscle activity. Negative motor signs describe insufficient muscle activity or insufficient control of muscle activity. In this paper, a head-mounted alternative computer interface based on inertial technology was used to assess motor signs in seven users with CP. Task performance and control of posture was related to the impairment. There are no significant differences between users with CP and healthy control participants in the frequency domain of the head movement. Results suggest that this kind of motor disorders is not related to positive motor signs. Moreover, a control mode based on posture more than on movements is not optimum; an alternative control mode must be specially designed for users with poor postural control.
机译：本文分析了脑瘫（CP）患者正负运动体征的存在。积极的运动体征是那些不由自主地增加肌肉活动的频率或幅度的征兆。负运动迹象表明肌肉活动不足或对肌肉活动的控制不足。在本文中，使用了基于惯性技术的头戴式替代计算机接口来评估7位CP使用者的运动征象。任务执行和姿势控制与损伤有关。在头部运动的频域中，有CP的用户和健康的控制参与者之间没有显着差异。结果表明，这种运动障碍与正运动征兆无关。而且，基于姿势而不是基于运动的控制模式不是最佳的。必须为姿势控制不佳的用户专门设计一种替代控制模式。

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