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首页> 外文期刊>Journal of Neuroscience Methods >An experimental paradigm to compare motor performance under laboratory and under everyday-like conditions.
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An experimental paradigm to compare motor performance under laboratory and under everyday-like conditions.

机译：一种用于比较实验室和日常条件下的运动性能的实验范例。

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摘要

Research findings on human motor skills may not necessarily hold in everyday life, since laboratory and everyday scenarios typically differ with respect to the subjects' attention to the skill, their motivation to perform at their best, the goals they try to achieve, and the mode of movement initiation - extrinsic versus intrinsic. Here we present an experimental approach which can be used to substantiate the hypothesized effects of laboratory (L) versus everyday (E) settings on one type of motor skill, i.e., manual prehension. This approach is based on two tasks: In task L, subjects are told that they will participate in an experiment on grasping, and are instructed to seize and move a lever upon appearance of a visual target. In task E, they are told that they will play a computer game, and they have to seize and move the lever in order to proceed from one game level to the next. Both tasks include prehension movements from the same starting position and object to the same terminal position and object; movements differ only in their behavioural context. We exemplify the utility of our approach with a preliminary analysis of kinematic and force data. It shows that the two tasks differ with respect to several performance measures, and that some performance measures make independent contributions to that difference. The existence of independent contributions suggests that behavioural context may influence prehension via several distinct routes. Our approach can be used for comprehensive analyses of the context-dependence of motor skills in various reference groups.
机译：有关人类运动技能的研究结果可能不一定会在日常生活中发挥作用，因为在实验室和日常场景中，受测者对技能的关注程度，他们追求最佳表现的动机，他们试图实现的目标以及所采取的方式通常不同启动的过程-外在还是内在。在这里，我们提供了一种实验方法，可以用来证实实验室（L）与日常（E）设置对一种类型的运动技能（即手动理解）的假设影响。这种方法基于两个任务：在任务L中，被告知受试者将进行抓握实验，并指示他们抓住并移动视觉目标出现时的操纵杆。在任务E中，他们被告知要玩电脑游戏，并且必须抓住并移动操纵杆才能从一个游戏关卡升级到另一个游戏关卡。这两个任务都包括从相同的起始位置和对象到相同的最终位置和对象的感觉移动;运动仅在行为背景上有所不同。我们通过运动学和力数据的初步分析来说明我们方法的实用性。它表明两项任务在几个绩效指标方面有所不同，并且某些绩效指标对此差异做出了独立的贡献。独立贡献的存在表明行为情境可能通过几种不同的途径影响理解。我们的方法可用于对各种参考人群的运动技能的背景相关性进行综合分析。

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