Remember the Telephone Game? Participants sit in a circle or line. The first person in the line receives a whispered message from the game host. The first person then whispers that message to the next participant, who whispers the message to the next person, etc., to the last person, who then speaks the message out loud. Invariably, the final message is totally different from the initial one. Our own memory system operates like that.
We trust our memories as solid and correct, and yet, the more we recall those memories, the more likely they are to be distorted to the point of being totally false when recalled later. The reason for the memory distortion is the fact that human memories are always adapting. It’s evolution in action.
“Memories aren’t static. If you remember something in the context of a new environment and time, or if you are even in a different mood, your memories might integrate the new information.” (Bridge)
Read more Evolution and Memory