How does stairway illusion

See also auditory staircase illusion. Staircase illusion. An impossible figure in which a flight of stairs appears to rise endlessly. From: staircase illusion in A Dictionary of Psychology ». Subjects: Science and technology — Psychology. View all related items in Oxford Reference ». Search for: 'staircase illusion' in Oxford Reference ». Macknik and Sandra Blakeslee.

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See Subscription Options. In his new twist on this already twisted topic, Sugihara has now reverse-engineered the same 2D staircase illusion into a 3D form, devising a cardboard cut-out that does the exact same trick when viewed from a certain perspective — even though the actual physical shape of what you're looking at is nothing like what it seems. Kokichi Sugihara. On his website, Sugihara teases how the illusion is actually constructed, going as far as to provide a free 'construction kit' diagram for the impossible steps, in case you feel like making a set to keep at home.

Philosophy and Phenomenological Research , 84 1 , pp. Home Explore Illusions Schroeder's Stairs. Ambiguous stairs. Instructions Notice how the image can appear to be stairs running from top left to bottom right, or the an upside down version of that image. Effect You should experience a 'Gestalt Switch' between seeing the stairs running from top left to bottom right, or an updside down version of the stairs; in the former the A panel will appear to be in the foreground, and the B panel in the background, and in the latter the B panel will appear to be in the foreground, and the A panel in the background.

Schroeder's Stairs. Escher, M. References Kornmeier, J. July , "Schroeder's Stairs " in F. Macpherson ed. Suggest an Illusion. Explore the Illusions Index. Explore Illusions.