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Attention Is Required to Coordinate Reaching and Postural Stability during Upper Limb Movements Generated While Standing.
Journal of Motor Behavior ( IF 1.1 ) Pub Date : 2019-03-27 , DOI: 10.1080/00222895.2019.1587351
Jill Dierijck 1 , Michael Kennefick 1 , Jonathan Smirl 1 , Brian H Dalton 1 , Paul van Donkelaar 1
Affiliation  

In the present study we investigated how attention contributes to the interaction between reach planning and execution, and postural control. Reaching movements were generated while standing and were performed either in isolation or in conjunction with a secondary reaction time (RT) task. In addition, to better understand how online movement control is affected by this interaction, the reaching movements could be unexpectedly perturbed medial-laterally. Postural kinetic, arm kinematic and RT, and secondary RT measures were used to characterize the responses. Results indicate task performance worsened when both the reaching and secondary tasks were completed simultaneously. Our results imply the generation of reaching movements while standing requires attentional resources to properly coordinate the interaction between the reaching task and postural control.

中文翻译:

站立时上肢运动时需要注意协调伸直和姿势稳定性。

在本研究中,我们调查了注意力如何促进伸手可及的距离和执行力以及姿势控制之间的相互作用。站立运动是站立时产生的,可以独立进行或与次要反应时间(RT)任务结合进行。另外,为了更好地了解这种交互作用如何影响在线运动控制,伸手动作可能会意外地受到内侧-外侧的干扰。姿势动力学,手臂运动学和逆转录,以及次级逆转录测量被用来表征反应。结果表明,同时完成到达任务和次要任务时,任务性能会下降。
更新日期:2019-11-01
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