One theory of dreaming says that dreaming gets rid of things the brain considers unnecessary. this theory is called:

   Information processing

Explanation:  Information processing generally means the process of organizing and storing information so that it can be easier to access them later in order to use them.

As for information processing in psychology, it serves in mental processes so that all information received during our activities is organized. All this information is received while we are awake. Unnecessary information is rejected, and it is a function of the brain that manifests itself while we are dreaming.

answer; i believe that the correct answer is (tabula rasa);