Mental motor imagery indexes pain: the hand laterality task.
Mental motor imagery indexes pain: the hand laterality task.
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DOI：
10.1016/j.ejpain.2010.04.001
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发表时间：
2010-11
期刊：
影响因子：
--
通讯作者：
Burkey AR
中科院分区：
文献类型：
--
作者：
Coslett HB;Medina J;Kliot D;Burkey AR
心理运动意象是由作为行动基础的相同认知系统所支持的。反过来，动作是由预期的运动的感觉后果决定的，包括疼痛。考虑到这些因素，我们可以预测运动意象将提供一个有用的测量疼痛相关的功能干扰。我们报告了一项研究，19名患有慢性肌肉骨骼或神经根性手臂或肩部疼痛的患者，24名不涉及手臂/肩部的慢性疼痛患者和41名正常对照者被要求指出画线是右手还是左手。先前的研究表明，这个任务是通过受试者的手的心理旋转来匹配刺激来完成的。与正常受试者和疼痛控制受试者相比，手臂/肩部疼痛受试者对需要较大幅度旋转的刺激反应明显较慢。对于手臂/肩膀疼痛的受试者来说，运动速度减慢的程度和疼痛严重程度之间存在相关性，而非特异性疼痛等级之间没有相关性。手侧度任务可以补充对慢性手臂/肩部疼痛受试者的评估。
Mental motor imagery is subserved by the same cognitive systems that underlie action. In turn, action is informed by the anticipated sensory consequences of movement, including pain. In light of these considerations, one would predict that motor imagery would provide a useful measure pain-related functional interference. We report a study in which 19 patients with chronic musculoskeletal or radiculopathic arm or shoulder pain, 24 subjects with chronic pain not involving the arm/shoulder and 41 normal controls were asked to indicate if a line drawing was a right or left hand. Previous work demonstrated that this task is performed by mental rotation of the subject’s hand to match the stimulus. Relative to normal and pain control subjects, arm/shoulder pain subjects were significantly slower for stimuli that required greater amplitude rotations. For the arm/shoulder pain subjects only there was a correlation between degree of slowing and the rating of severity of pain with movement but not the non-specific pain rating. The hand laterality task may supplement the assessment of subjects with chronic arm/shoulder pain.
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