The main objective of this paper is to investigate whether observers are able to perceive depth of virtual objects within virtual environments during reaching tasks. In other words, we tackled the question of observer immersion in a displayed virtual environment. For this purpose, eight observers were asked to reach for a virtual objects displayed within their peripersonal space in two conditions: condition one provided a small virtual sphere that was displayed beyond the subjects index finger as an extension of their hand and condition two provided no visual feedback. In addition, audio feedback was provided when the contact with the virtual object was made in both conditions. Although observers slightly overestimated depth within the peripersonal space, they accurately aimed for the virtual objects based on the kinematics analysis. Furthermore, no significant difference was found concerning the movement between conditions for all observers. Observers accurately targeted the virtual point correctly with regard to time and space. This suggests the virtual environment sufficiently simulated the information normally present in the central nervous system.
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ASME 2011 World Conference on Innovative Virtual Reality
June 27–29, 2011
Milan, Italy
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4432-8
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Do Observers Perceive Depth in Reaching Task Within Virtual Environments? Available to Purchase
Abdeldjallil Naceri,
Abdeldjallil Naceri
University of Genoa; Italian Institute of Technology, Genoa, Italy
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Thierry Hoinville,
Thierry Hoinville
Italian Institute of Technology, Genoa, Italy
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Ryad Chellali,
Ryad Chellali
Italian Institute of Technology, Genoa, Italy
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Jesus Ortiz,
Jesus Ortiz
Italian Institute of Technology, Genoa, Italy
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Shannon Hennig
Shannon Hennig
Italian Institute of Technology, Genoa, Italy
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Abdeldjallil Naceri
University of Genoa; Italian Institute of Technology, Genoa, Italy
Thierry Hoinville
Italian Institute of Technology, Genoa, Italy
Ryad Chellali
Italian Institute of Technology, Genoa, Italy
Jesus Ortiz
Italian Institute of Technology, Genoa, Italy
Shannon Hennig
Italian Institute of Technology, Genoa, Italy
Paper No:
WINVR2011-5523, pp. 309-314; 6 pages
Published Online:
March 20, 2012
Citation
Naceri, A, Hoinville, T, Chellali, R, Ortiz, J, & Hennig, S. "Do Observers Perceive Depth in Reaching Task Within Virtual Environments?." Proceedings of the ASME 2011 World Conference on Innovative Virtual Reality. ASME 2011 World Conference on Innovative Virtual Reality. Milan, Italy. June 27–29, 2011. pp. 309-314. ASME. https://doi.org/10.1115/WINVR2011-5523
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