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Milliseconds matter: temporal order of visuo-tactile stimulation affects the ownership of a virtual hand

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Zoulias, I., Harwin, W., Hayashi, Y. and Nasuto, S. (2016) Milliseconds matter: temporal order of visuo-tactile stimulation affects the ownership of a virtual hand. In: Eurohaptics 2016, 4-7 July, London, pp. 479-489.

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Official URL: http://dx.doi.org/10.1007/978-3-319-42324-1_47

Abstract/Summary

The sense of body ownership, that one’s body belongs to oneself, is a result of the integration of different sensory streams. This sense however is not error-free; in 1998 Botvinick and Cohen [3] showed the rubber hand illusion (RHI), an illusion that made a subject feel a rubber hand as their own. An important factor to induce the illusion is the timing of the applied visual and tactile stimulation to the rubber hand. Temporal delays greater than 500 ms eliminate the illusory ownership. This study investigates previously unexplored small delays between stimulation modalities and their effect for the perception of the RHI. Through a virtual reality setup of the RHI paradigm, it is shown that small delays can significantly alter the strength of the illusion. The order of the sensory modality presented plays a catalytic role to whether or not the inter-modal delay will have an effect on the illusion’s strength.

Item Type:Conference or Workshop Item (Paper)
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:66337
Publisher:Springer International Publishing

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