Mach-bands Definition

mäk
noun
Illusory bands of intensified lightness and darkness perceived adjacent to the borders of light and dark in a visual image, caused by image processing in the retina and optic nerve.
American Heritage Medicine
other
Illusory bands of intense lightness and darkness perceived adjacent to borders of light and dark in a visual image, caused by early image-processing in the retina and optic nerve.
American Heritage Science

Origin of Mach-bands

  • After Ernst Mach who discovered them

    From American Heritage Dictionary of the English Language, 5th Edition

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mach-bands