Bibliographic Details
| Title: |
Enhancement of sense of ownership using virtual and haptic feedback. |
| Authors: |
Altukhaim, Samirah1,2 (AUTHOR), George, Daniel1 (AUTHOR), Nagaratnam, Kiruba3 (AUTHOR), Kondo, Toshiyuki4 (AUTHOR), Hayashi, Yoshikatsu1 (AUTHOR) y.hayashi@reading.ac.uk |
| Source: |
Scientific Reports. 3/1/2024, Vol. 14 Issue 1, p1-10. 10p. |
| Subject Terms: |
*PREHENSION (Physiology), *PSYCHOLOGICAL feedback, *SENSES, *CURVATURE |
| Abstract: |
Accomplishing motor function requires multimodal information, such as visual and haptic feedback, which induces a sense of ownership (SoO) over one's own body part. In this study, we developed a visual–haptic human machine interface that combines three different types of feedback (visual, haptic, and kinesthetic) in the context of passive hand-grasping motion and aimed to generate SoO over a virtual hand. We tested two conditions, both conditions the three set of feedback were synchronous, the first condition was in-phase, and the second condition was in antiphase. In both conditions, we utilized passive visual feedback (pre-recorded video of a real hand displayed), haptic feedback (balloon inflated and deflated), and kinesthetic feedback (finger movement following the balloon curvature). To quantify the SoO, the participants' reaction time was measured in response to a sense of threat. We found that most participants had a shorter reaction time under anti-phase condition, indicating that synchronous anti-phase of the multimodal system was better than in-phase condition for inducing a SoO of the virtual hand. We conclude that stronger haptic feedback has a key role in the SoO in accordance with visual information. Because the virtual hand is closing and the high pressure from the balloon against the hand creates the sensation of grasping and closing the hand, it appeared as though the person was closing his/her hand at the perceptual level. [ABSTRACT FROM AUTHOR] |
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