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Action Shapes the Sense of Body Ownership Across Human Development

Overview
Journal Front Psychol
Date 2019 Jan 9
PMID 30618937
Citations 8
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Abstract

In this study we investigated, both in childhood and adulthood, the role of action in promoting and shaping the sense of body ownership, which is traditionally viewed as dependent on multisensory integration. By means of a novel action-based version of the rubber hand illusion (RHI), in which participants could actively self-stroke the rubber hand, with (Version 1) or without visual feedback (Version 2) of their own actions, we showed that self-generated actions promote the emergence of a sense of ownership over the rubber hand in children, while it interferes with the embodiment of the rubber hand in adults. When the movement is missing (Version 3, i.e., mere view of the rubber hand being stroked concurrently with one's own hand), the pattern of results is reversed, with adults showing embodiment of the rubber hand, but children lacking to do so. Our novel findings reveal a dynamic and plastic contribution of the motor system to the emergence of a coherent bodily self, suggesting that the development of the sense of body ownership is shaped by motor experience, rather than being purely sensory.

Citing Articles

Emergence of sense of body ownership but not agency during virtual tool-use training is associated with an altered body schema.

Najafabadi A, Kuster D, Putze F, Godde B Exp Brain Res. 2023; 241(7):1721-1738.

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Tool-use training in augmented reality: plasticity of forearm body schema does not predict sense of ownership or agency in older adults.

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Lux V, Gredeback G, Non A, Kruger M Front Syst Neurosci. 2022; 16:871449.

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The role of motor memory dynamics in structuring bodily self-consciousness.

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Environment-Related and Body-Related Components of the Minimal Self.

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