13 Facts About Jastrow illusion

1.

Jastrow illusion is an optical illusion attributed to the Polish-American psychologist Joseph Jastrow.

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2.

Oldest reference to this Jastrow illusion can be found in The World of Wonders, an 1873 book about curiosities of nature, science and art.

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3.

Jastrow illusion's paper includes the ring segments which we now know as the Jastrow Illusion.

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4.

Joseph Jastrow extensively researched optical illusions, the most prominent of them being the rabbit–duck illusion, an image that can be interpreted as being both a rabbit or a duck.

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5.

Jastrow illusion's version is different from the commonly used figure because the two arches taper to one end.

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6.

Jastrow illusion wrote one of the first books about geometric optical illusions in which he copied the design previously published by Muller-Lyer.

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7.

Jastrow illusion has been compared with other optical illusions, such as the Fat Face illusion, the Leaning Tower illusion and the Ponzo illusion.

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8.

Jastrow illusion conducted experiments with people and chimpanzees to compare this illusion with the classical Jastrow Illusion.

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9.

The Fat Face Jastrow illusion happens when two identical images of the same face are aligned vertically, the face at the bottom appears fatter.

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10.

Jastrow illusion looked at whether the distance between the two shapes, or whether they are horizontally or vertically influences the strength of the illusion.

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11.

Jastrow illusion found that the illusion is strongest when the segments are horizontal and that the ideal distance is just above each other.

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12.

Manfredo Massironi and his colleagues from the universities of Rome and Verona modified the Jastrow illusion to develop a diagnostic test for unilateral spatial neglect.

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13.

Jastrow illusion has been used to see whether young children are deceived by geometric optical illusions.

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