重复的特定环境的行动破坏了年轻和年长的成年人中运动指令的前调整
Catherine Anne Sager1, Ella Diamond1, Miranda Rose Hulsey-Vincent2
1Department of Human Physiology, University of Oregon, Eugene, Oregon, United States.
Journal of neurophysiology
|April 3, 2024
概括
重复的运动行为会损害调整运动的能力,导致更多的错误,特别是在老年人中. 这表明,过度练习的运动可能会对运动控制灵活性产生负面影响.
科学领域:
- 发动机控制器 发动机控制器
- 神经科学是一个神经科学.
- 人类的衰老 人类的衰老
背景情况:
- 电机系统的灵活性对于防止错误至关重要.
- 与年龄相关的运动控制下降增加了错误发生率.
- 感官处理和认知能力下降有助于运动障碍.
研究的目的:
- 测试重复计划的操作是否会干扰前进发动机命令的调整.
- 研究重复对感觉运动记忆驱动计划的影响.
- 检查重复后运动调整中的与年龄相关的差异.
主要方法:
- 参与者 (年轻人和老年人) 抓住并举起一个T形物体,其质量中心偏离侧面.
- 在切换前操纵试验重复次数,其中一个侧面的质量中心在一个侧面.
- 专注于预测力控制,依赖于传感运动记忆.
主要成果:
- 增加重复提高了表现与一个一致的质量中心.
- 当物体的质量中心切换时,重复导致错误增加.
- 重复对运动调整的这种负面影响发生在年轻人和老年人中.
结论:
- 前进的运动调整受到重复的,刻板的运动规划和执行的阻碍.
- 重复会破坏电机指挥调节,可能会增加电机控制错误.
- 增加的刻板印象可能会加剧运动控制错误,特别是在老年人中.
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