著者

中川 航太朗 井上 康之 Harin Hapuarachchi 杉本 麻樹 稲見 昌彦 北崎 充晃

出版者

特定非営利活動法人 日本バーチャルリアリティ学会

雑誌

日本バーチャルリアリティ学会論文誌 (ISSN:1344011X)

巻号頁・発行日

vol.27, no.4, pp.341-351, 2022-12-28 (Released:2022-12-28)

参考文献数

45

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We aimed to investigate whether illusory embodiment occurs in arms that stretch farther than usual arms in a virtual environment and how embodiment is acquired in different stretching methods. We realized three types of arm stretching methods: the hand extended ten times the actual movement (constant stretching), the hand extended in an accelerated manner (accelerated stretching), and the hand immediately extended to the target when the user fixed the eyes on the target and moved the hand towards the target (instant stretching). Then, we investigated sense of body ownership, sense of agency and task performance for those. We found that the illusory body ownership and sense of agency were higher in the order of constant stretching, accelerated stretching, and instant stretching. The learning effects on embodiment depended on the stretching method. Task performance was better in the order of constant, instant, and accelerated stretching. These results suggest that the illusory embodiment of the stretching arm and its learning depend on the type of stretching.

著者

山﨑 喬輔 井上 康之 MHD Yamen Saraiji 加藤 史洋 舘 暲

出版者

特定非営利活動法人 日本バーチャルリアリティ学会

雑誌

日本バーチャルリアリティ学会論文誌 (ISSN:1344011X)

巻号頁・発行日

vol.23, no.3, pp.119-127, 2018 (Released:2018-09-30)

参考文献数

12

被引用文献数

1

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Although previous researches have shown that our spatial understanding is determined by the multiple sensory information such as vision and touch, how the effect of visuo-tactile integration works on the sense of body ownership, agency and self-localization has been unrevealed. In this study, we built a telexistence system to investigate the effect of combined visual and tactile information by allowing the participants to see their own back via surrogate robot, while applying stimuli on their hand and back synchronously. The participants' answers on questionnaires revealed that they experienced reality in the position of robot in a remote location, rather than their own bodies, through the experiment. This result provided evidence for the efficient enhancement of visuo-tactile integration on self-localization, body ownership, and the sense of agency in a telexistence settings.

著者

井上 康之 中口 和馬 河合 敦夫 井須 尚紀

雑誌

情報科学技術フォーラム講演論文集

巻号頁・発行日

vol.14, no.3, pp.57-62, 2015-08-24