2022 Fiscal Year Final Research Report
Bodily self-consciousness of a virtual body and transformation of an internal model of the body
| Project/Area Number |
19K12729
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 90030:Cognitive science-related
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| Research Institution | University of Fukui |
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Principal Investigator |
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| Project Period (FY) |
2019-04-01 – 2023-03-31
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| Keywords | 身体意識 / 運動主体感 / 身体所有感 / 身体モデル / 身体表現 |
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| Outline of Final Research Achievements |
In this study, we investigated the relationship between bodily self-consciousness (sense of agency and sense of body ownership) and the relearning of the body model (body representation in the brain), using an experimental paradigm we built. The body model of the hand revealed that the body model of the hand was relearned in the group who felt that the virtual hand was their own hand, by two performance indexes we proposed. However, no change was observed in the group that did not perceive the virtual hand as their own. In addition, bodily self-consciousness was established even with the virtual hands (a skeleton hand and a light-points hand) with low appearance similarity. This indicates that appearance similarity was not an essential factor. Furthermore, the force sensation in a grasping task activated bodily self-consciousness.
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| Free Research Field |
認知科学
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| Academic Significance and Societal Importance of the Research Achievements |
本研究では，身体所有感と手の身体モデルの変容との関係，外見的類似性と身体所有感の関係，力各情報と身体意識との関係について報告し，さらに身体所有感が成立している場合に身体モデルが変容することを報告した．これらの結果は，身体意識の成立条件を解明する上で非常に重要であり，さらに義手などのリハビリテーションにおいて貢献できる可能性がある．
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