This reminds me strongly of the BLIT series of short stories, in which a category of images is discovered that cause processing problems ‘glitches’ in the human

This reminds me strongly of the BLIT series of short stories, in which a category of images is discovered that cause processing problems ‘glitches’ in the human brain with fatal results. http://www.infinityplus.co.uk/stories/blit.htm http://www.infinityplus.co.uk/stories/blit.htm That’s the first one, others are available online too.