A haptic force feedback device for virtual reality-fMRI experiments

被引：21
作者：
Di Diodato, Lisa M. [1 ]
Mraz, Richard [1 ]
Baker, S. Nicole [1 ]
Graham, Simon J. [2 ,3 ]
机构：
[1] Sunnybrook Hlth Sci Ctr, Dept Imaging Res, Toronto, ON M4N 3M5, Canada
[2] Baycrest Ctr Geriatr Care, Rotman Res Inst, Toronto, ON M6A 2E1, Canada
[3] Univ Toronto, Dept Med Biophys, Toronto, ON M5G 2M9, Canada
来源：
IEEE TRANSACTIONS ON NEURAL SYSTEMS AND REHABILITATION ENGINEERING | 2007年 / 15卷 / 04期
关键词：
data glove; functional magnetic resonance imaging (fMRI); haptic; virtual reality;
D O I：
10.1109/TNSRE.2007.906962
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Simulation of real-world tasks using virtual reality (VR) and measurement of associated neural activity by functional magnetic resonance imaging (fMRI) have potential utility in research and clinical stroke applications. However, development of fMRI-compatible sensory feedback technology is required. Presented here is the development of a prototype force feedback device for VR-fMRI. Experiments validated device performance in terms of force output, interaction bandwidth, transmission delay, and fMRI-compatibility. A subsequent VR-fMRI experiment involved six participants touching a virtual object and verified modulation of brain activity with force feedback versus no force feedback. This device may facilitate further experiments to clarify the effect of haptics in VR, and may be adapted for characterizing brain function and behaviour associated with stroke-related hand paresis.
引用
收藏
页码：570 / 576
页数：7
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