Answer:
Retroactive interference
Explanation:
Retroactive interference occurs when an individual forgets the task that is previously learned because of the interference of newly learned task It is just like to interference with old memories with new memories. These occur when the memory is about to same. For instance, there is confusion occurs between a new number and the old number. It has been stated that the students who studied the same subjects have interference with the subject learning. Sometimes new learning interferes with old learning and some times there would occur interference between old memories and the new memories.