Two-Dimensional Rubber-Hand Illusion: The Dorian Gray Hand Illusion

in Multisensory Research
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The rubber-hand illusion provides a window into body representation and consciousness. It has been found that body-ownership extended to numerous hand-like objects. Interestingly, the vast majority of these objects were three-dimensional. We adopted this paradigm by using hand drawings to investigate whether rubber-hand illusion could be extended to two-dimensional hand samples, and we measured skin conductance responses and behavioural variables. The fact that this illusion extended to two-dimensional stimuli reveals the dominant role of top–down information on visual perception for body representation and consciousness.

Two-Dimensional Rubber-Hand Illusion: The Dorian Gray Hand Illusion

in Multisensory Research



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    Example of a drawn hand used in the experiment.

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    Average skin conductance responses (in µSiemens) across the experimental conditions (‘Synch’ stands for synchronous stroking; ‘Rand’ for random stroking; ‘Pre’ is the value before cutting the drawn hand; ‘Post’ is the value after cutting the drawn hand). Error bars represent ±SE.

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