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94:". The first classification refers to the likelihood that the drawing may be perceived as two (or more) different objects. The second refers to the phenomenon that after some time of staring at the figure the perception of its orientation becomes involuntarily reversed. The third one emphasizes the fact that there are two (rather than one) stable perceptions of the drawing.
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This illusion, among others, has been used in studies of perception. In particular, in one study it was established that involuntary switch of perception occurs with approximate frequency of once in 7.5-12.5 seconds. The change of perception may be attributed either to neuronal fatigue or to
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which is a two-dimensional drawing which may be perceived either as a drawing of a staircase leading from left to right downwards or the same staircase only turned upside down, a classical example of
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Schroeder stairs can be perceived in two ways, depending on whether the viewer considers A or B to be the closer wall.
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It is sometimes called "Schouten steps", in reference to a small sheet-metal staircase given to
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M.C. Escher, his life and complete graphic work: with a fully illustrated catalogue
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Stairway to the Mind: The
Controversial New Science of Consciousness
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by Prof. Schouten and which was an inspiration for Escher's
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in psychology of perception. It is named after the German
73:. This illusion is also seen in another Escher's work,
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189:Nonlinear Dynamics in the Life and Social Sciences
82:This drawing may be variously described as an "
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203:Perceptual and Motor Skills, Volume 31,
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175:Flip Bool, J. L. Locher, H.N. Abrams,
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60:, who published it in 1858.
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116:A Dictionary of Psychology
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536:Ascending and Descending
58:Heinrich G. F. Schröder
18:Schroeder's stairs
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217:Nonlinear Dynamics...
98:conscious selection.
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570:Accidental viewpoint
153:Barile, Margherita.
51:perspective reversal
475:Vertical–horizontal
575:Auditory illusions
370:Impossible trident
120:Schröder Staircase
114:Andrew M. Colman,
70:Convex and Concave
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611:Optical illusions
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590:Temporal illusion
585:Tactile illusions
555:(2015 photograph)
256:Optical illusions
161:Eric W. Weisstein
88:reversible figure
55:natural scientist
43:Schröder's stairs
16:(Redirected from
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455:Schroeder stairs
430:Peripheral drift
425:Penrose triangle
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84:ambiguous figure
47:optical illusion
39:Schroeder stairs
27:Optical illusion
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547:(1961 drawing)
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385:Lilac chaser
355:Gravity hill
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65:M. C. Escher
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531:(1864 book)
435:Poggendorff
410:Oppel-Kundt
405:Necker cube
400:MĂĽller-Lyer
375:Irradiation
605:Categories
528:Spectropia
445:Rubin vase
395:McCollough
390:Mach bands
340:Ehrenstein
335:Ebbinghaus
300:Barberpole
275:Afterimage
102:References
76:Relativity
616:Stairways
580:Illusions
552:The dress
544:Waterfall
345:Flash lag
325:Cornsweet
310:Café wall
290:Ames room
268:Illusions
165:MathWorld
330:Delboeuf
280:Ambigram
45:) is an
563:Related
490:Zöllner
480:White's
415:Orbison
380:Jastrow
159:, from
515:Op art
470:Ternus
450:Sander
365:Hering
305:Bezold
193:p. 315
90:" or "
485:Wundt
440:Ponzo
320:Chubb
205:p. 67
140:p. 95
360:Grid
260:list
86:", "
163:'s
118:, "
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146:^
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262:)
258:(
248:e
241:t
234:v
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41:(
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