Bistable Percepts

3 days ago - By Gurney Journey

Most people are familiar with the face / vase illusion. Psychologists refer to it as a "bistable percept."
A bistable percept is an image that can be perceived in two different ways. The perception can switch back and forth between the two interpretations, but you only see one at a time.
Another example of a bistable percepts is the Necker cube, above, which switches from appearing above you and projecting to the right, to appearing below you and projecting to the left.
One characteristic is that the duality, once perceived, can't be forgotten.
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