Octopuses fall for the ‘rubber arm’ illusion, just like us

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Post Contenthttps://www.youtube.com/shorts/al61oB08Pcs 

​ The human brain can bring rubber to life with one simple trick: Cover a person’s hand and place a rubber hand next to it, then stroke their hand and its facsimile, and suddenly the person will begin to “feel” the touch in the fake appendage. The rubber hand illusion helps demonstrate how our senses work together to create the feeling of ownership over our bodies, a fundamental part of self-awareness.

And now, a 2025 study in Current Biology demonstrates that octopuses also fall for the rubber arm trick—the first documentation of the phenomenon outside of mammals.

Learn more: https://scim.ag/481EXWJ

FOOTAGE CREDIT: KAWASHIMA AND IKEDA/CURRENT BIOLOGY

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