Straightness as the Main Factor of the Hermann Grid Illusion

  title={Straightness as the Main Factor of the Hermann Grid Illusion},
  author={J{\'a}nos Geier and L. Bern{\'a}th and M. Hud{\'a}k and L. S{\'e}ra},
  pages={651 - 665}
  • János Geier, L. Bernáth, +1 author L. Séra
  • Published 2008
  • Mathematics, Medicine
  • Perception
  • The generally accepted explanation of the Hermann grid illusion is Baumgartner's hypothesis that the illusory effect is generated by the response of retinal ganglion cells with concentric ON–OFF or OFF–ON receptive fields. To challenge this explanation, we have introduced some simple distortions to the grid lines which make the illusion disappear totally, while all preconditions of Baumgartner's hypothesis remain unchanged. To analyse the behaviour of the new versions of the grid, we carried… CONTINUE READING
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