Interactive memory means that when a group of two or more individuals work and live together for a long time, they will share the stored memory. Individuals do not necessarily need to remember all the information, but only need to remember which information the members of the group are experts in, and when they need this information, they can ask them. In this way, the memories that should be stored in each individual are scattered into the minds of the different members of the group, just as the minds of all members form a larger memory bank.
Xiaomei and Xiaofang often study together. When they review before the exam, they ask each other questions and examine each other. They find that they do not have their own knowledge points, which effectively improves their learning efficiency does not belong to interactive memory according to the above definition.