Compromised motor planning and Motor Imagery in right Hemiparetic Cerebral Palsy
Compromised motor planning and Motor Imagery in right Hemiparetic Cerebral Palsy
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DOI：
10.1016/j.ridd.2010.07.010
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发表时间：
2010-11-01
影响因子：
3.1
通讯作者：
Steenbergen, Bert
中科院分区：
文献类型：
--
作者：
Craje, Celine;van Elk, Michiel;Steenbergen, Bert
我们调查了偏瘫脑性瘫痪（HCP）患者的运动计划问题是否与运动想象（MI）能力受损有关。虽然一些研究表明，HCP的个人可以解决心理旋转任务，但尚不清楚他们是否使用MI或视觉意象（VI）。在本研究中，运动规划和MI进行了检查的个人与正确的HCP（n = 10）和控制。运动规划使用对象操作任务进行测量，参与者必须预测运动动作的结束。MI是使用心理旋转范式来测量的，其中参与者从背视图和手掌视图来判断手的偏侧性。为了测试参与者是否使用MI或VI，我们比较了外侧与内侧旋转的反应时间，假设MI受旋转手的生物力学约束，但VI不受约束。个人与HCP有较高比例的任务失败，由于不适当的抓地力的选择，举例说明受损的规划。第二，HCP患者在外侧和内侧旋转之间没有表现出反应时间差异，表明使用MI的能力受损。这些发现表明，HCP的运动计划受损是由于使用MI的能力受损。MI的训练可能是运动规划问题康复的一个有用的切入点。(C)2010爱思唯尔有限公司保留所有权利。
We investigated whether motor planning problems in people with Hemiparetic Cerebral Palsy (HCP) are paralleled by impaired ability to use Motor Imagery (MI). While some studies have shown that individuals with HCP can solve a mental rotation task, it was not clear if they used MI or Visual Imagery (VI). In the present study, motor planning and MI were examined in individuals with right HCP (n = 10) and controls. Motor planning was measured using an object manipulation task, where participants had to anticipate the end of the motor action. MI was measured using a mental rotation paradigm, where participants judged laterality of hands presented from a back view and a palm view. To test if participants used MI or VI we compared reaction times of lateral versus medial rotations, under the assumption that MI is subject to biomechanical constraints of rotated hands, but VI is not. Individuals with HCP had a higher proportion of task failures due to inappropriate grip choice, exemplifying impaired planning. Second, individuals with HCP did not show a reaction time difference between lateral and medial rotations, indicating an impaired ability to use MI. These findings show that compromised motor planning in HCP is paralleled by an impairment in the ability to use MI. Training of MI may be a useful entry-point for rehabilitation of motor planning problems. (C) 2010 Elsevier Ltd. All rights reserved.