Answer:
cerebrum
Explanation:
From the given scenario of the question, as the man suffers from head injury , the loss of his memory , indicates that there is damage in the man's cerebrum.
As ,
In the human brain , cerebrum is the largest part of brain , which is responsible for memory , like the things which the body is supposed to remember .
Hence, from the given information of the question , cerebrum of the man got damaged.
