The Misconception: Memories are played back like recordings.

The Truth: Memories are constructed anew each time from whatever information is currently available, which makes things like eyewitness testimony unreliable.

Before I forget, you owe me $12.  No, remember, we were talking and you needed some money for something and I said all I have is $12 and you said that would be enough?  ‘Member?

via Misinformation Effect « You Are Not So Smart.