How many motoric body representations can we grasp?
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Description
At present there is a debate on the number of body representations in the brain. The most commonly used dichotomy is based on the body image, thought to underlie perception and proven to be susceptible to bodily illusions, versus the body schema, hypothesized to guide actions and so far proven to be robust against bodily illusions. In this rubber hand illusion study we investigated the susceptibility of the body schema by manipulating the amount of stimulation on the rubber hand and the participant's hand, adjusting the postural configuration of the hand, and investigating a grasping rather than a pointing response. Observed results showed for the first time altered grasping responses as a consequence of the grip aperture of the rubber hand. This illusion-sensitive motor response challenges one of the foundations on which the dichotomy is based, and addresses the importance of illusion induction versus type of response when investigating body representations.
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| ID Code: | 247967 |
|---|---|
| Item Type: | Contribution to Journal (Journal Article) |
| Refereed: | Yes |
| Measurements or Duration: | 10 pages |
| Keywords: | Action, Body image, Body schema, Perception, Rubber hand illusion |
| DOI: | 10.1007/s00221-009-2124-7 |
| ISSN: | 0014-4819 |
| Pure ID: | 166714808 |
| Funding Information: | This research was supported by a VIDI grant from the Netherlands Organization for Scientific Research (NWO) to H.C.D (No. 452-03-325). Additional support was provided to M.K. by a Medical Research Council–Economic and Social Research Council (MRC–ESRC) fellowship (G0800056/86947). |
| Copyright Owner: | 2009 The Authors |
| Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au |
| Deposited On: | 12 Apr 2024 05:05 |
| Last Modified: | 12 Apr 2024 05:05 |
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