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Design of Robot-Assisted Task Involving Visuomotor Conflict for Identification of Proprioceptive Acuity

本体感觉 运动(物理) 物理医学与康复 任务(项目管理) 鉴定(生物学) 人工智能 康复 心理学 计算机科学 计算机视觉 医学 工程类 神经科学 生物 植物 系统工程
作者
Hongqiang Huo,Xiaoyu Liu,Zhixin Wu,Zhili Tang,Min Tang,Duo Chen,Ying Dong,Xiaofeng Qiao,Tao Liu,Ran An,Yubo Fan
出处
期刊:IEEE Transactions on Instrumentation and Measurement [Institute of Electrical and Electronics Engineers]
卷期号:70: 1-10 被引量:2
标识
DOI:10.1109/tim.2021.3104027
摘要

A deficiency in proprioception caused by some nerve injuries could result in movement disorders. An effective assessment of proprioception for patients with nerve injuries is essential for their rehabilitation. When visual input is inconsistent with motor input, humans tend to depend heavily on proprioception to perform a task. Based on it, we designed a novel robot-assisted task to identify proprioceptive acuity. We developed a robotic device to provide RM of wrist and employed VR immersing technology to present VM for a user. The RM and VM were programmed randomly to be consistent or not (conflicting) for each trial. The user was required to decide whether what they were perceiving (real motion) and seeing (virtual motion) is consistent or not in a total of 36 trials. We recruited 40 healthy participants (20 males and 20 females) for the assessment validation. The outcome indicated that the novel robot-assisted identification is sensitive enough to distinguish the difference in proprioceptive acuity between males and females. The male participants have better proprioceptive acuity of the wrist than the females ( $p < 0.05$ ), especially in the P/S motion $p < 0.005$ ). In addition, the gender difference was found in the sensitivity of proprioceptive acuity ( $p < 0.05$ ) while no difference was found in the specificity ( $p > 0.05$ ), indicating that female participants had poorer performance on the identification than the males when the RM is consistent with VM. This study indicated that the novel robot-assisted task is effective to identify limb proprioceptive acuity.
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