对两个潜在目标的姿势策略,考虑姿势稳定和概率信息的运动成本
Ryo Watanabe1,2,3, Takahiro Higuchi1
1Department of Health Promotion Science, Tokyo Metropolitan University, Tokyo, Japan.
Journal of neurophysiology
|March 10, 2025
概括
个人优先考虑姿势稳定,计划运动以应对更高的运动成本,即使不太可能的目标带来更大的挑战. 这一策略有助于在不确定的行动中保持平衡.
科学领域:
- 神经科学是一个神经科学.
- 生物力学 生物力学
- 发动机控制器的控制器
背景情况:
- 在不确定性下的机动规划涉及整合关于潜在目标的概率信息.
- 之前的手臂伸展研究表明了轨迹的平均值和概率偏差.
- 一个"在你知道之前去"的范式被适应为步骤任务,以调查预期的姿势调整.
研究的目的:
- 调查姿势策略是否优先考虑动力成本的稳定性,即使目标概率低.
- 检查概率和运动成本对步入前姿势规划的影响.
- 确定中央神经系统是否考虑多目标场景中的姿势稳定的运动成本.
主要方法:
- 14名参与者执行了一个目标逐步任务,对两个潜在目标的概率已知.
- 在目标被发现之前,参与者开始了步骤移动.
- 分析了Prestep中侧姿势和动力学数据,并进行计算模拟.
主要成果:
- 参与者准备好了他们的姿势,以支持更高的汽车成本目标,无论其可能性更低.
- 概率信息对预先姿势的影响较小,但显著.
- 模拟证实,优先考虑发动机成本可以提高机械稳定性,并允许更长的时间进行纠正行动.
结论:
- 中枢神经系统在不确定性下计划运动时优先考虑姿势稳定的运动成本.
- 即使成本较高的目标不太可能实现,这种策略也会被采用.
- 研究结果表明,在复杂的运动任务中保持直立姿势时,考虑运动成本的作用至关重要.
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