Final answer:
Memories of personal experiences are stored in the brain as memory traces, which can be susceptible to errors and false memories. Memory reconstruction is the process of putting together different components of a memory, potentially leading to inaccuracies.
Step-by-step explanation:
Memories of personal experiences are stored in the brain as memory traces. These memory traces can fade over time and can also be susceptible to errors and false memories. In the exercise you mentioned, the purpose was likely to illustrate the concept of memory reconstruction, where different components of a memory are put back together, potentially leading to inaccuracies.