![Background show artwork for Every Little Thing](https://gimlet.spotifycdn.com/hero/0fb21d37-9c74-4797-bd7a-d5e36ca6817a/fallback.jpg)
Caller Liz has a cherished childhood memory about a special meal with her great-grandmother. But she isn’t sure it really happened. How can she tell? Memory researcher Charan Ranganath, director of the Dynamic Memory Lab, fills in the blanks about the memory in question.