Changes in perceived peripersonal space following the rubber hand illusion
Abstract Peripersonal space (PPS), the region immediately surrounding the body is essential for bodily protection and goal directed action. Previous studies have suggested that the PPS is anchored to one’s own body and in the current study we investigated whether the PPS could be modulated by change...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2023-05-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-023-34620-y |
| _version_ | 1797827537161682944 |
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| author | M. Smit H. C. Dijkerman V. Kurstjens A. M. de Haan I. J. M. van der Ham M. J. van der Smagt |
| author_facet | M. Smit H. C. Dijkerman V. Kurstjens A. M. de Haan I. J. M. van der Ham M. J. van der Smagt |
| author_sort | M. Smit |
| collection | DOAJ |
| description | Abstract Peripersonal space (PPS), the region immediately surrounding the body is essential for bodily protection and goal directed action. Previous studies have suggested that the PPS is anchored to one’s own body and in the current study we investigated whether the PPS could be modulated by changes in perceived body ownership. While theoretically important, this anchoring can also have implications for patients with altered body perception. The rubber hand illusion (RHI) is a way to manipulate body ownership. We hypothesized that after induction of a left hand RHI, the perceived space around the body shifts to the right. Sixty-five participants performed a landmark task before and after a left hand RHI. In the landmark task, participants had to determine whether a vertical landmark line was left or right from the center of a horizontal screen. One group of the participants was exposed to synchronous stroking, the other group experienced asynchronous stroking. Results showed a shift in space to the right (e.g. away from the own arm), but only for the ‘synchronous stroking’ group. These results suggest that the relevant action space becomes linked to the fake hand. Critically, subjective ownership experience did not correlate with this shift, but proprioceptive drift did. This suggests that multisensory integration of bodily information drives this shift in space around the body and not feelings of ownership. |
| first_indexed | 2024-04-09T12:49:54Z |
| format | Article |
| id | doaj.art-d72d0b73596244b1bb4b8c08f24c218b |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-04-09T12:49:54Z |
| publishDate | 2023-05-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-d72d0b73596244b1bb4b8c08f24c218b2023-05-14T11:17:44ZengNature PortfolioScientific Reports2045-23222023-05-0113111010.1038/s41598-023-34620-yChanges in perceived peripersonal space following the rubber hand illusionM. Smit0H. C. Dijkerman1V. Kurstjens2A. M. de Haan3I. J. M. van der Ham4M. J. van der Smagt5Department of Experimental Psychology, Helmholtz Institute, Utrecht UniversityDepartment of Experimental Psychology, Helmholtz Institute, Utrecht UniversityDepartment of Experimental Psychology, Helmholtz Institute, Utrecht UniversityDepartment of Experimental Psychology, Helmholtz Institute, Utrecht UniversityDepartment of Health, Medical, and Neuropsychology, Leiden UniversityDepartment of Experimental Psychology, Helmholtz Institute, Utrecht UniversityAbstract Peripersonal space (PPS), the region immediately surrounding the body is essential for bodily protection and goal directed action. Previous studies have suggested that the PPS is anchored to one’s own body and in the current study we investigated whether the PPS could be modulated by changes in perceived body ownership. While theoretically important, this anchoring can also have implications for patients with altered body perception. The rubber hand illusion (RHI) is a way to manipulate body ownership. We hypothesized that after induction of a left hand RHI, the perceived space around the body shifts to the right. Sixty-five participants performed a landmark task before and after a left hand RHI. In the landmark task, participants had to determine whether a vertical landmark line was left or right from the center of a horizontal screen. One group of the participants was exposed to synchronous stroking, the other group experienced asynchronous stroking. Results showed a shift in space to the right (e.g. away from the own arm), but only for the ‘synchronous stroking’ group. These results suggest that the relevant action space becomes linked to the fake hand. Critically, subjective ownership experience did not correlate with this shift, but proprioceptive drift did. This suggests that multisensory integration of bodily information drives this shift in space around the body and not feelings of ownership.https://doi.org/10.1038/s41598-023-34620-y |
| spellingShingle | M. Smit H. C. Dijkerman V. Kurstjens A. M. de Haan I. J. M. van der Ham M. J. van der Smagt Changes in perceived peripersonal space following the rubber hand illusion Scientific Reports |
| title | Changes in perceived peripersonal space following the rubber hand illusion |
| title_full | Changes in perceived peripersonal space following the rubber hand illusion |
| title_fullStr | Changes in perceived peripersonal space following the rubber hand illusion |
| title_full_unstemmed | Changes in perceived peripersonal space following the rubber hand illusion |
| title_short | Changes in perceived peripersonal space following the rubber hand illusion |
| title_sort | changes in perceived peripersonal space following the rubber hand illusion |
| url | https://doi.org/10.1038/s41598-023-34620-y |
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