The effects of tool holding on body schema during motor imagery: a near-infrared spectroscopy study.
The effects of tool holding on body schema during motor imagery: a near-infrared spectroscopy study.
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DOI：
10.1589/jpts.29.702
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发表时间：
2017-04-01
影响因子：
--
通讯作者：
Maruyama, Hitoshi
中科院分区：
文献类型：
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作者：
Oikawa, Tsubasa;Hirano, Daisuke;Maruyama, Hitoshi
[目的]本研究的目的是在两个任务中评估工具握持对大脑活动的影响：想象握笔时和不握笔时书写字母表的运动。[对象和方法]11名健康的右撇子成年人在想象用笔书写字母的动作时，分别进行了两个任务：拿笔和不拿笔。靶区是Brodmann区6，这是一个与运动相关的区域，44/45和39/40承担着形成身体图式的作用。通过近红外光谱分析，获得与脑活动相关的血红蛋白氧合状态的变化。[结果]使用优势右手时，想象实际握笔写字时，Brodmann区44/45和39/40区的OXY-Hb水平显著高于不握笔时。当使用非优势左手时，两种情况在相同的区域内没有显著差异。[结论]这些结果表明，在自动化工具使用任务的运动表象中，握持的工具可以并入身体图式。因此，运动表象时的工具握持可能会更有效地影响康复。
[Purpose] The purpose of this study is to assess the influence of tool holding on brain activities during motor imagery in two tasks: imagining the movement of writing the alphabet while holding a pen and without holding the pen. [Subjects and Methods] Eleven healthy right-handed adults performed two tasks, holding a pen and not holding the pen during imagining the movement of writing the alphabet using a pen. Regions of targets were Brodmann areas 6 which were a motor-related region, 44/45 and 39/40 which taken on the role of forming the body schema. Change of the oxygenation state of hemoglobin associated with brain activity were acquired using a near-infrared spectroscopy. [Results] When using their dominant right hands, task-related increases in oxy-Hb were prominent in Brodmann areas 44/45 and 39/40 when imagining writing while actually holding the pen than when not. When using the non-dominant left hands, there were no significant differences between the two conditions in the same areas. [Conclusion] These results suggest that the tool held can be incorporated into the body schema in the motor imagery of an automated tool use task. Therefore, tool holding during motor imagery might be more effectively influence during rehabilitation.