Error correction mechanisms in perception of body movements : Learning of sensorimotor representations can enhance error corrections.

我们研究了在没有视觉的情况下，运动身体节段(例如，手)的位置估计的准确性是否可以通过运动控制练习来提高。通过运动控制技能的强化训练，受试者可以通过依赖非视觉信息有意识地感知动态手部位置，即使视觉是纠错的主要来源。此外，在没有视觉的情况下，来自伸展的肌肉和肌腱的传入感觉信息在有意识地感知动态手部位置方面发挥着比下游信息到初级运动者更重要的作用。

We investigated whether accuracy of the position estimates of a moving body segment (e.g., hand) can be improved with motor control practice without vision. Through an intensive training of motor control skills, subjects could become to consciously perceive dynamic hand positions by relying on non-visual information, even though vision is a major source for error corrections. Moreover, without vision, afferent sensory information from stretched muscles and tendons plays a more important role in conscious perception of dynamic hand position than downstream information to prime movers.