Müller-Lyer Illusion
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center connecting line is seen as shorter in the top figure that
in the lower figure. The figure below shows the line as it appears
in both figures. |
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figure below shows both figures superimposed on one another in
order to demonstrate in yet another way that the center line
is of equal length in both figures. |
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the next figure shows all of the components of the two figures
separately. Close your eyes and see if you can mentally put the
components together and experience the illusion. I suspect that
you can not. What might this tell us about the nature of the
illusion ? |
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| Finally,
below is an animation of the two figures. You probably experience
the illusion even in this animated version. The animation involve
superimposing the figures as we did above, but in this case the
figures aren't both seen simultaneously. |
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