Willis Ross E, Gomez Pedro Pablo, Ivatury Srinivas J, Mitra Hari S, Van Sickle Kent R
Department of Surgery, University of Texas Health Science Center, San Antonio, Texas.
Department of Surgery, University of Texas Health Science Center, San Antonio, Texas.
J Surg Educ. 2014 May-Jun;71(3):426-33. doi: 10.1016/j.jsurg.2013.11.003. Epub 2014 Jan 3.
Virtual reality (VR) and physical model (PM) simulators differ in terms of whether the trainee is manipulating actual 3-dimensional objects (PM) or computer-generated 3-dimensional objects (VR). Much like video games (VG), VR simulators utilize computer-generated graphics. These differences may have profound effects on the utility of VR and PM training platforms. In this study, we aimed to determine whether a relationship exists between VR, PM, and VG platforms.
VR and PM simulators for laparoscopic camera navigation ([LCN], experiment 1) and flexible endoscopy ([FE] experiment 2) were used in this study. In experiment 1, 20 laparoscopic novices played VG and performed 0° and 30° LCN exercises on VR and PM simulators. In experiment 2, 20 FE novices played VG and performed colonoscopy exercises on VR and PM simulators.
In both experiments, VG performance was correlated with VR performance but not with PM performance. Performance on VR simulators did not correlate with performance on respective PM models.
VR environments may be more like VG than previously thought.
虚拟现实（VR）模拟器和物理模型（PM）模拟器的不同之处在于，受训者是在操作实际的三维物体（PM）还是计算机生成的三维物体（VR）。与电子游戏（VG）非常相似，VR模拟器利用计算机生成的图形。这些差异可能会对VR和PM训练平台的效用产生深远影响。在本研究中，我们旨在确定VR、PM和VG平台之间是否存在关联。
本研究使用了用于腹腔镜摄像头导航（[LCN]，实验1）和软性内镜检查（[FE]，实验2）的VR和PM模拟器。在实验1中，20名腹腔镜新手玩电子游戏，并在VR和PM模拟器上进行0°和30°的LCN练习。在实验2中，20名FE新手玩电子游戏，并在VR和PM模拟器上进行结肠镜检查练习。
在两个实验中，电子游戏表现与VR表现相关，但与PM表现无关。VR模拟器上的表现与各自PM模型上的表现不相关。
VR环境可能比之前认为的更类似于电子游戏。
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