期刊
PERCEPTION
卷 38, 期 2, 页码 310-312出版社
PION LTD
DOI: 10.1068/p6304
关键词
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资金
- European Research Council
- Swedish Research Council
- Swedish Foundation for Strategic Research
- Human Frontier Science Programme
What are the natural constraints for the human body representation? Here I report a perceptual illusion where healthy individuals experience having two right arms, with both sensing touches applied to them. This effect reveals how visual and tactile signals from the body are integrated in a probabilistic fashion, resulting in a single limb being represented at two locations at the same time, giving rise to a perceptual duplication of this limb. This is an important observation because it suggests that even the gross morphology that we experience of ourselves is a construct resulting from dynamic and integrative processes in the perceptual systems.
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