A Preliminary Study on Full-Body Haptic Stimulation on Modulating Self-motion Perception in Virtual Reality

BACKGROUND: Self-motion misperception has been observed in vestibular patients during asymmetric body oscillations. This misperception is correlated with the patient’s vestibular discomfort. OBJECTIVE: To investigate whether or not self-motion misperception persists in post-ictal patients with Ménière’s disease (MD). METHODS: Twenty-eight MD patients were investigated while in the post-ictal interval. Self-motion perception was studied by examining the displacement of a memorized visual target after sequences of opposite directed fast-slow asymmetric whole body rotations in the dark. The difference in target representation was analyzed and correlated with the Dizziness Handicap Inventory (DHI) score. The vestibulo-ocular reflex (VOR) and clinical tests for ocular reflex were also evaluated. RESULTS: All MD patients showed a noticeable difference in target representation after asymmetric rotation depending on the direction of the fast/slow rotations. This side difference suggests disruption of motion perception. The DHI score was correlated with the amount of motion misperception. In contrast, VOR and clinical trials were altered in only half of these patients. CONCLUSIONS: Asymmetric rotation reveals disruption of self-motion perception in MD patients during the post-ictal interval, even in the absence of ocular reflex impairment. Motion misperception may cause persistent vestibular discomfort in these patients.

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Spatial Correlation: An Interactive Display of Virtual Gesture Sculpture

Leonardo ◽

10.1162/leon_a_01226 ◽

2017 ◽

Vol 50 (1) ◽

pp. 94-95 ◽

Cited By ~ 2

Author(s):

Jung Nam ◽

Daniel F. Keefe

Keyword(s):

Virtual Reality ◽

Spatial Correlation ◽

Interactive Visualization ◽

Virtual Space ◽

Raw Data ◽

Video Cameras ◽

Interactive Display ◽

Tracking Devices ◽

Full Body

Spatial Correlation is an interactive digital artwork that provides a new window into the process of creating freeform handcrafted virtual sculptures while standing in an immersive Cave virtual reality (VR) environment. The piece originates in the lab, where the artist’s full-body, dance-like sculpting process is recorded using a combination of spatial tracking devices and an array of nine synchronized video cameras. Later, in the gallery, these raw data are reinterpreted as part of an interactive visualization that relates the three spaces in which the sculpture exists: 1) the physical lab/studio space in which the sculpture was created, 2) the digital virtual space in which the sculpture is mathematically defined and stored, and 3) the physical gallery space in which viewers now interact with the sculpture.

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Scene consistency and spatial presence increase the sensation of self-motion in virtual reality

Proceedings of the 2nd symposium on Appied perception in graphics and visualization - APGV '05 ◽

10.1145/1080402.1080422 ◽

2005 ◽

Cited By ~ 11

Author(s):

Bernhard E. Riecke ◽

Jörg Schulte-Pelkum ◽

Marios N. Avraamides ◽

Markus von der Heyde ◽

Heinrich H. Bülthoff

Keyword(s):

Virtual Reality ◽

Spatial Presence ◽

Self Motion

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