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A comparison of virtual locomotion methods in movement experts and non-experts: testing the contributions of body-based and visual translation for spatial updating.
Experimental Brain Research ( IF 2 ) Pub Date : 2020-06-17 , DOI: 10.1007/s00221-020-05851-6
Erica M Barhorst-Cates 1 , Jeanine K Stefanucci 2 , Sarah H Creem-Regehr 2
Affiliation  

Both visual and body-based (vestibular and proprioceptive) information contribute to spatial updating, or the way a navigator keeps track of self-position during movement. Research has tested the relative contributions of these sources of information and found mixed results, with some studies demonstrating the importance of body-based information, especially for translation, and some demonstrating the sufficiency of visual information. Here, we invoke an individual differences approach to test whether some individuals may be more dependent on certain types of information compared to others. Movement experts tend to be dependent on motor processes in small-scale spatial tasks, which can help or hurt performance, but it is unknown if this effect extends into large-scale spatial tasks like spatial updating. In the current study, expert dancers and non-dancers completed a virtual reality point-to-origin task with three locomotion methods that varied the availability of body-based and visual information for translation: walking, joystick, and teleporting. We predicted decrements in performance in both groups as self-motion information was reduced, and that dancers would show a larger cost. Surprisingly, both dancers and non-dancers performed with equal accuracy in walking and joystick and were impaired in teleporting, with no large differences between groups. We found slower response times for both groups with reductions in self-motion information, and minimal evidence for a larger cost for dancers. While we did not see strong dance effects, more participation in spatial activities related to decreased angular error. Together, the results suggest a flexibility in reliance on visual or body-based information for translation in spatial updating that generalizes across dancers and non-dancers, but significant decrements associated with removing both of these sources of information.



中文翻译:

运动专家和非专家的虚拟运动方法的比较:测试基于身体和视觉的翻译对空间更新的贡献。

视觉和基于身体的信息(前庭和本体感觉)都有助于空间更新,或者导航者在运动过程中保持自我位置的方式。研究已经测试了这些信息源的相对贡献,并得出了不同的结果,有些研究表明了基于身体的信息的重要性,尤其是对于翻译而言,还有一些表明了视觉信息的充分性。在这里,我们调用个人差异方法来测试某些人是否可能比其他人更依赖某些类型的信息。运动专家在小规模的空间任务中往往依赖于运动过程,这可能有助于或损害性能,但这种影响是否会扩展到诸如空间更新之类的大规模空间任务中,尚不得而知。在目前的研究中 熟练的舞者和非舞者通过三种移动方法完成了虚拟现实的点对点任务,这些方法改变了基于身体的视觉信息进行翻译的可用性:行走,操纵杆和传送。我们预测,随着自我运动信息的减少,两组的表演都会减少,而舞者的表演成本会更高。令人惊讶的是,舞者和非舞者在步行和操纵杆上的准确性均相同,并且在传送方面也受到损害,两组之间没有很大差异。我们发现两组人的反应时间较慢,自我运动信息有所减少,而舞者花费较高的证据却很少。虽然我们没有看到强烈的舞蹈效果,但更多地参与空间活动与减少角度误差有关。一起,

更新日期:2020-06-17
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