Rubber arm illusion in octopus.

Authors

Sumire Kawashima, Yuzuru Ikeda

Published in

Current biology : CB. Volume 35. Issue 14. Pages R702-R703. Jul 21, 2025.

Abstract

We instinctively know our hands and legs belong to us when we see them. This perception, known as the sense of body ownership¹, is a fundamental aspect of self-consciousness. Although studies show that this sense exists in some mammals, such as humans², monkeys^3,4, and rodents⁵, research on its existence in non-mammalian animals is still lacking. In this study, we used the rubber hand illusion² to demonstrate that an octopus, an invertebrate (cephalopod mollusk), also experiences body ownership of its arms. VIDEO ABSTRACT.

PMID:
40695234
Bibliographic data and abstract were imported from PubMed on 23 Jul 2025.

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