在拦截虚拟目标时,在线更新障碍物位置
Emily M Crowe1,2, Jeroen B J Smeets3, Eli Brenner3
1Department of Human Movement Sciences, Institute of Brain and Behavior Amsterdam, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, 1081 BT, Amsterdam, The Netherlands. emily.crowe@nottingham.ac.uk.
Experimental brain research
|May 27, 2023
概括
目标导向的手臂运动适应视觉障碍物位置. 大脑使用实时障碍数据来调整运动,在导航过程中展示动态视觉指导.
科学领域:
- 神经科学是一个神经科学.
- 发动机控制器的控制器
- 人类的感知 人类的感知
背景情况:
- 人类的行为依赖于感官输入的指导.
- 目标定向的运动,就像手臂运动一样,根据目标和手部位置的估计,不断更新.
研究的目的:
- 调查手臂运动的持续视觉指导是否包含有关周围障碍物位置的信息.
- 为了确定大脑是否使用即时障碍数据进行实时运动调整.
主要方法:
- 参与者执行了一项任务,要求他们用手指滑动,通过两个障碍物之间的隙拦截移动的目标.
- 在一些试验中,目标的位置和差距大小在运动中进行了改变.
- 基于目标跳跃和差距大小变化,分析了参与者的反应.
主要成果:
- 运动调整是为了应对目标跳跃而发生的.
- 运动调整的大小受到差距大小变化的影响.
- 当障碍物被认为无关紧要时,差距变化不会影响运动反应.
结论:
- 在视觉引导的目标导向运动中,考虑了障碍物的即时位置.
- 这表明障碍物信息可以被动态地整合到发动机控制中.
- 大脑积极使用关于环境的视觉信息来改进正在进行的行动.
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