视觉因素决定了快速拦截手动中的感官不确定性
Abibat A Akande1,2,3, Philipp Kreyenmeier1,2,4,5, Miriam Spering1,2,6,7,8,9
1Department of Psychology, University of British Columbia, Vancouver, BC, Canada.
Journal of vision
|April 16, 2025
概括
预测物体轨迹依赖于运动信息可靠性. 简短的视觉呈现会导致中心偏差,而较长的遮蔽会产生较小的影响,这表明在不确定性下依赖先前的知识.
科学领域:
- *神经科学和认知心理学,专注于感官运动控制和视觉感知.
- * 调查视觉信息可靠性对预测运动能力的影响.
背景情况:
- *精确的跟踪和拦截移动物体取决于可靠的运动信息.
- * 视觉对运动的感知往往受到诸如演示时间和遮等因素的限制.
研究的目的:
- * 检查呈现和遮蔽持续时间如何影响物体拦截期间视觉运动信息的可靠性.
- * 了解传感运动系统如何适应运动预测中的不确定性.
主要方法:
- *实验室实验模拟飞球拦截与受控的呈现和闭塞持续时间.
- *观察者用眼睛的动作跟踪移动的物体,并用手的动作拦截它.
- *分析手部运动中心偏差和眼睛手部运动精度相关性.
主要成果:
- * 简短的对象呈现导致了显著的手动中心偏差.
- * 与呈现时间相比,较长的遮持续时间导致中心偏差较弱.
- * 中心偏差在短暂的遮蔽期内完全消失.
- * 眼睛和手部运动的准确性在不同的不确定性水平之间存在相关性.
结论:
- *在不确定性下,感觉运动决策可能更多地依赖于视觉信息有限时的先前知识 (简要介绍).
- *闭塞持续时间对预测运动的影响与呈现持续时间不同.
- * 运动信息的共享读取是眼睛和手部运动的预测过程的基础.
相关概念视频
01:15Depth Perception and Spatial Vision
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
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