You tell a joke to a friend,and you believe you made up that joke.He tells you he told you that joke a week ago.You have experienced what memory phenomenon?

Question

Quizplus · Accepted Answer

The person has experienced cryptomnesia, which is the phenomenon of believing that one's own idea or creation is actually something they have heard or read before, but have forgotten the original source. In this case, the person forgot that their friend had told them the joke previously and believed they had come up with it themselves.

You Tell a Joke to a Friend,and You Believe You