| 词条 | Café wall illusion |
| 释义 |
The café wall illusion is a geometrical-optical illusion in which the parallel straight dividing lines between staggered rows with alternating black and white "bricks" appear to be sloped. It was first described under the name Kindergarten illusion in 1898,[1] and re-discovered in 1973 by Richard Gregory.[2] According to Gregory, this effect was observed by a member of his laboratory, Steve Simpson, in the tiles of the wall of a café at the bottom of St Michael's Hill, Bristol. It is a variant of the shifted-chessboard illusion originated by Hugo Münsterberg.[3] In the construction of the optical illusion often each "brick" is surrounded by a layer of "mortar" intermediate between the dark and light colours of the "bricks".[4] In the first attempt at its deconstruction, the illusion was ascribed largely to irradiation, the light spread from dark to bright zones in the retinal image,[5] and the image disappears when black and white are replaced by different colours of the same brightness.[6] But a component of the illusion remains even when all optical and retinal components are factored out. Contrast polarities seem to be the determining factor in the tilt's direction.[7] See also
References1. ^{{cite journal |last=Pierce |first=A.H. |year=1898 |title=The illusions of the kindergarten patterns |journal=Psychological Review |volume=5 |issue=3 |pages=233–53 |doi=10.1037/h0070595}} 2. ^{{cite journal |last1=Gregory |first1=R.L. |last2=Heard |first2=P. |title=Border locking and the Café Wall illusion |journal=Perception |volume=8 |issue=4 |year=1979 |pages=365–80 |pmid=503767 |doi=10.1068/p080365 |url=http://www.richardgregory.org/papers/cafe_wall/cafe-wall.pdf}} 3. ^{{cite journal |last=Münsterberg |first=H. |year=1897 |title=Die verschobene Schachbrettfigur |journal=Zeitschrift für Psychologie |volume=15 |pages=184–88 }} 4. ^{{cite journal |last1=Morgan |first1=M.J. |last2=Moulden |first2=B. |year=1986 |title=The Münsterberg figure and twisted cords |journal=Vision Research |volume=26 |pages=1793–1800 |doi=10.1016/0042-6989(86)90130-6}} 5. ^{{cite book |last=Pierce |first=A.H. |year=1901 |title=Studies in Auditory and Visual Space Perception |place=London |publisher=Longmans Green }} 6. ^{{cite journal |last=Westheimer |first=G. |year=2007 |title=Irradiation, border location and the shifted-chessboard pattern |journal=Perception |volume=36 |pages=483–94 |doi=10.1068/p5646}} 7. ^{{cite journal |last1=Kitaoka |first1=A |last2=Pinna |first2=B. |last3=Brelstaff |first3=G. |title=Contrast polarities determine the direction of Cafe Wall tilts |journal=Perception |volume=33 |issue=1 |year=2004 |pages=11–20 |pmid=15035325 |doi=10.1068/p3346 |url=http://www.psy.ritsumei.ac.jp/~akitaoka/CafeWall.pdf}} External links
1 : Optical illusions |
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