Influence of the Contact Surface Size on the Illusory Movement Induced by Tendon Vibrations
Influence of the Contact Surface Size on the Illusory Movement Induced by Tendon Vibrations
复制标题
接触面尺寸对肌腱振动引起的幻觉运动的影响
DOI：
10.1007/978-3-030-90179-0_72
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发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Ohshima Hiroyuki and Shimada Shigenobu
中科院分区：
文献类型：
--
作者：
松本希，森村和浩，飯田智行;小野寺昇;Ohshima Hiroyuki and Shimada Shigenobu
在人类的四肢中，肌腱振动唤起了虚幻运动的感觉，这是一种在没有任何实际关节运动的情况下体验到的动觉感觉。这种现象可以有效地用于在虚拟现实环境中产生动觉感觉，这可以解决各种问题。然而，它的实施仍然受到限制，由于迄今为止不清楚刺激和感知特性之间的关系。本研究的目的是检查接触面的大小对肌腱振动引起的错觉动觉的影响。5名受试者的优势侧臂肱二头肌肌腱通过振动装置以100 Hz和120 m/s2刺激30 s。在受试者身上测试了不同尺寸（φ5、φ10、φ15和φ20 mm）的接触头。将肩部固定在扶手上，屈曲90°，而手肘屈曲0°-均在正中矢状面，手掌向上。实验结束后，要求参与者根据视觉模拟量表进行两次主观评价，分别是肘关节角度的生动性（1：弱，5：清晰）和伸展范围（1：轻微，5：显著）。在虚幻运动期间，这两个参数都随着接触表面的大小而增加。因此，我们得出结论的错觉运动的知觉特性受到影响的接触面的大小。
In human limbs, tendon vibration evokes the feeling of illusory movement, which is a kinesthetic sensation experienced in the absence of any actual joint movement. This phenomenon can be effectively used to generate kinesthetic sensation in virtual-reality settings, which can solve a variety of problems. However, its implementation remains limited due to the hitherto-unclear relationship between stimulus and perceptual characteristics. This study is aimed at examining the effects of the size of contact surfaces on the illusory kinesthetics evoked by tendon vibration. Tendons of the biceps brachii in the dominant-side arm of five participants were stimulated for 30 s at 100 Hz and 120 m/s2by a vibration device. Contact heads of different sizes (φ5, φ10, φ15, and φ20 mm) were tested on subjects. The shoulder was held stationary on an armrest at a flexion of 90° while the elbow was flexed at 0°—both in the midsagittal plane, with palms facing upwards. After the experiment, participants were asked to take two subjective evaluations based on the visual analog scale, pertaining to the vividness (1: weak, 5: clear) and range of extension of their elbow-joint angle (1: slight, 5: significant). During the illusory motion, both these parameters increased with the size of the contact surface. Thus, we concluded the perceptual characteristics of the illusory movement to be affected by the size of the contact surface.
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DOI：
10.1007/978-3-030-50729-9_30
发表时间：
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期刊：
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