Keywords: Wundt Area Illusion.png en Wundt-Area Illusion also known as the Jastrow Illusion as published by Franz Müller-Lyer 1889-01-01 Müller-Lyer F C 1889 Optische Urteilstauschungen Archiv Für Anatomie Und Physiologie Supplement 263 “270 Müller-Lyer F C other versions PD-old-70-1923 Psychology Optical illusions |