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a. Proactive inhibition:

                       If the earlier learning interferes with later learning and inhibits recall of new

               material, it is known as proactive inhibition. This usually happens when the previous
               learning is better than the present one. For example, we meet somebody in a party
               yesterday, today while remembering those names we recall the names of people we met
               last week.

               b. Retroactive inhibition:


                       Inhibition   of   the   earlier   learning   and   recall   by   later   learning   is   known   as
               retroactive inhibition. For example, a student learnt about motivation in psychology last
               week, this week he learns about perception. Now he tries to recall information about
               motivation but the points pertaining to perception will come to his memory.


               3. Retrieval Problems:

                       Retrieval is necessary for recall. Some retrieval cues and reconstructive processes
               help in this process. These retrieval cues or remainders, direct the memory search. This
               leads to forgetting.


               4. Motivated Forgetting:

                       This is a kind of forgetting in which the individual intentionally forgets. However,
               the information stored can be retrieved and brought back to memory, but the individual
               does not want those memories. So he will repress them. It may be observed that generally
               people remember pleasant experiences than unpleasant ones.


               5. Amnesia:

                       The term amnesia refers to loss of memory. It is a kind of memory disorder which

               occurs from a loss of what has already been stored. There are two kinds of amnesia.

               i. Psychological amnesia:

                       This kind of amnesia takes place as a result of major disturbances in the process of
               encoding, storage and retrieval. There are different kinds of psychological amnesia:


               a. Childhood amnesia:

                       This may be caused due to the inability to retrieve childhood memories which are
               unpleasant. These memories may cause feelings of guilt, hence they are repressed.

               Another reason may be due to differences in the ways of encoding. During childhood



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