Vol 9: Rubber Hand Illusion Affects Joint Angle Perception.Reportar como inadecuado



 Vol 9: Rubber Hand Illusion Affects Joint Angle Perception.


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This article is from PLoS ONE, volume 9.AbstractThe Rubber Hand Illusion RHI is a well-established experimental paradigm. It has been shown that the RHI can affect hand location estimates, arm and hand motion towards goals, the subjective visual appearance of the own hand, and the feeling of body ownership. Several studies also indicate that the peri-hand space is partially remapped around the rubber hand. Nonetheless, the question remains if and to what extent the RHI can affect the perception of other body parts. In this study we ask if the RHI can alter the perception of the elbow joint. Participants had to adjust an angular representation on a screen according to their proprioceptive perception of their own elbow joint angle. The results show that the RHI does indeed alter the elbow joint estimation, increasing the agreement with the position and orientation of the artificial hand. Thus, the results show that the brain does not only adjust the perception of the hand in body-relative space, but it also modifies the perception of other body parts. In conclusion, we propose that the brain continuously strives to maintain a consistent internal body image and that this image can be influenced by the available sensory information sources, which are mediated and mapped onto each other by means of a postural, kinematic body model.



Autor: Butz, Martin V.; Kutter, Esther F.; Lorenz, Corinna

Fuente: https://archive.org/







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