Duping a guppy is easier than duping a ring dove — at least when it comes to a classic optical illusion. In the Ebbinghaus illusion, two identical circles placed side by side are each framed by a set ...

Chances are you’ve encountered some version of the “Ebbinghaus illusion,” in which a central circle appears to be smaller when encircled by larger circles and seems larger when surrounded by smaller ...

Researchers from Kyushu University have uncovered new variations to a traditional illusion, based on how we perceive the motion of flashing lights. Published on May 21 in i-Perception, the findings ...

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As much as neuroscientists know about the neural processes that signal touch, surprisingly little is understood about the neural correlates of conscious perception of tactile sensations. In a new ...

Some of you must have stopped looking at it, thinking, “Where’s the debate? It’s clearly a rabbit,” while for others, “It’s clearly a duck.” This is a classic example of a 6 for you, which may be a 9 ...

Researchers have discovered new variations of an illusion created when we see three rapid flashes in our side vision. Regardless of the position of the second flash, the illusion causes the brain to ...

Researchers at Kyushu University have further explored the visual rabbit illusion. The three rabbits represent the actual flashes, while the dots above them show where people perceive the light points ...