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Octopuses, they’re just like us: New research suggests the eight-armed cephalopods are also fooled by a version of the rubber hand trick. In humans, this illusion involves covering a person’s hand so ...
The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...
Guppies are highly susceptible to the Ebbinghaus illusion. Ring doves? Not so much. For instance, guppies and ring doves diverged hundreds of millions of years ago and hence are phylogenetically ...