What do Helen Keller, Sam Smith and MLK Jr. have in common? They have all been accused of plagiarism. But was it actually plagiarism or perhaps a little-known phenomenon called Cryptomnesia? Cryptomnesia is the phenomenon of a forgotten memory being mistaken by the brain for a new and original thought. This infographic by Online College Plan takes a close look at this odd occurrence: what it is, why it happens and who it’s happened to.