Poggendorff illusion

English

Etymology

Named after Johann Christian Poggendorff, journal editor who discovered the effect in figures submitted by Johann Karl Friedrich Zöllner in 1860.

Pronunciation

  • Rhymes: -uːʒən

Noun

Poggendorff illusion (plural Poggendorff illusions)

  1. An optical illusion involving the misperception of the position of one segment of a transverse line that has been interrupted by the contour of an intervening structure.
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