A Historical Note on Illusory Contours in Shadow Writing

A Historical Note on Illusory Contours in Shadow Writing

It is widely accepted that illusory contours have been first displayed and discussed by Schumann (1900, Zeitschrift für Psychologie und Physiologie der Sinnesorgane 23 1–32). Here we show that, before him, Jastrow (1899, Popular Science Monthly 54 299–312) produced illusory contours consisting of a...

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Veröffentlicht in:Perception (London) 2009-01, Vol.38 (5), p.732-739
Hauptverfasser: Vezzani, Stefano, Marino, Barbara F M
Format: Artikel
Sprache:eng
Schlagworte:
Form Perception
History, 20th Century
Humans
Optical Illusions
Psychology - history
Writing - history
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Zusammenfassung:It is widely accepted that illusory contours have been first displayed and discussed by Schumann (1900, Zeitschrift für Psychologie und Physiologie der Sinnesorgane 23 1–32). Here we show that, before him, Jastrow (1899, Popular Science Monthly 54 299–312) produced illusory contours consisting of a shadow word. A brief history of shadow writing in psychological literature from Jastrow to Brunswik is presented, in which the contributions of Pillsbury, Warren, Koffka, and Benussi are examined.
ISSN:0301-0066
1468-4233
DOI:10.1068/p6141