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Paper Abstract and Keywords
Presentation 2022-02-28 15:05
Effect of action ability on peripersonal space representation
Naoki Kuroda, Kaori Naruse, Wataru Teramoto (Kumamoto Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Peripersonal space (PPS) is the space immediately around the body in which the body interacts directly with its surroundings. PPS has been linked to danger avoidance and prediction of action capabilities. A previous study found that hand immobilization modulates hand-centered PPS. This study investigates whether whole-body immobilization affects body-centered PPS representation. The PPS range was measured based on visuotactile interaction. Participants wore head-mounted displays and were instructed to respond quickly to tactile stimuli delivered to their chests while observing a visual probe approaching or receding from their bodies. Body immobilization was implemented by placing participants in a 0.9 m3 cube box in real and virtual environments (box versus no-box condition). PPS was defined as the range within which the visual probe facilitated tactile detection (visual facilitation effect [VFE]). Results showed that, in the box condition, VFE was constantly observed at all the distances of the approaching probe from the body, while it decreased with increasing the distance in the no-box condition. Thus, the PPS boundary was only observed in the no-box condition. This suggests that the body immobilization can expand body-centered PPS representation.
Keyword (in Japanese) (See Japanese page) 
(in English) Peripersonal space / body immobilization / visuotactile interaction / Virtual reality / / / /  
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Conference Information
Conference Date 2022-02-27 - 2022-02-28 
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Paper Information
Registration To IEICE-HIP 
Conference Code 2022-02-HIP-HI-H-VRPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Effect of action ability on peripersonal space representation 
Sub Title (in English)  
Keyword(1) Peripersonal space  
Keyword(2) body immobilization  
Keyword(3) visuotactile interaction  
Keyword(4) Virtual reality  
1st Author's Name Naoki Kuroda  
1st Author's Affiliation Kumamoto University (Kumamoto Univ.)
2nd Author's Name Kaori Naruse  
2nd Author's Affiliation Kumamoto University (Kumamoto Univ.)
3rd Author's Name Wataru Teramoto  
3rd Author's Affiliation Kumamoto University (Kumamoto Univ.)
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Speaker Author-1 
Date Time 2022-02-28 15:05:00 
Presentation Time 25 minutes 
Registration for IEICE-HIP 
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Volume (vol) vol.46 
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