There is a game that we play known as Chinese Whispers. In this game people take turns whispering a message into the ears of the next person in line. By the time the last person speaks it out loud, the message has changed from the original. It has been altered with each person passing the message.
Our memory is a lot like this game. Whenever we remember an incident from the past, our brain makes a change in ways that can alter the later recall of the event. This means, when you remember this incident for the second time, you might not recall the original incident but what you remember the previous time.
Our memory cannot produce an image of the original incident by time travelling back to the original incident. The image can be somewhat distorted because of the prior times you remember it. You might recall not the original but what you remembered the previous time.
Std. IV C