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Seeing Double by J Block Richard

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CHAPTER2

AMBIGUOUS FIGURES

The images in this chapter are called “ambiguous figures.” In some respects they are similar to the figure-ground illusions in the last chapter, but ambiguous figures depend more on shared contours that take on different meanings, rather than on which of two images is considered the figure and which is the background at any given moment.

images

Research has shown that when there is a figure that can have two different meanings—as in the case of ambiguous figures—if one does not know that two interpretations are possible, the figure is usually perceived as having only one. However, once it is known that there are actually two ...

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