目标的不确定性减弱了感觉运动适应
Sritej Padmanabhan1,2, Reza Shadmehr3, Roberta L Klatzky1
1Department of Psychology, Carnegie Mellon University, Pittsburgh, Pennsylvania, United States.
Journal of neurophysiology
|November 27, 2025
概括
目标不确定性显著减缓隐含的感觉运动适应,运动错误的自动纠正. 准确的目标表示对于运动学习至关重要,需要更新当前的运动学习模型.
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
- 认知心理学 认知心理学
背景情况:
- 隐式传感运动适应自动纠正运动错误.
- 这种适应是由感知预测错误驱动的.
- 虽然已知反不确定性的影响,但目标不确定性的影响尚未被探索.
研究的目的:
- 研究目标不确定性对隐性感官运动适应的影响.
- 确定准确的目标表示是否对运动学习至关重要.
主要方法:
- 在180名参与者中,采用视觉运动适应任务.
- 目标不确定性是通过改变目标中点精度来操纵的.
- 显示格式独立变化以控制视觉特征.
主要成果:
- 目标不确定性显著减弱了隐性适应.
- 这种效果独立于视觉和动态特征.
- 目标中点的空间模糊性增加减少了适应性.
结论:
- 精确的运动目标的内部表示对于传感运动适应至关重要.
- 运动学习模型需要修订,以包括目标不确定性.
- 目标精度从根本上调整了运动学习的表现.
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