Answer: Interference
Step-by-step explanation:
Interference theory is defined as the theory about forgetting things or events due to striving of two memories against one another to create a competing situation.It usually tends to restrict new information or any past events to be remembered or getting retrieved in mind.
There are two types of interference that take place in mind -retroactive interference and proactive interference. Retroactive interference does not retrieval of old memory through intervening with new information.Proactive interference block new information with help of old memories.