EntityQ5439875· pop 6· linked from 11 articlesFechner colorSign in to saveillusion of color seen when looking at certain rapidly changing or moving black-and-white patternsConnectionscolorEntityWayback MachineEntitydigital object identifierEntityperceptionEntityHermann von HelmholtzEntityretinaEntityillusionEntitytopEntityQ180686EntityJSTOROrganizationGustav FechnerEntityQ118398Entitycone cellEntitystroboscopeEntityQ22908627Entityvisual cortexEntityoptic neuritisEntityNewton discEntityopponent processEntityCategoriesColorOptical illusions