Mr. Johnson was in a serious car accident on Monday and sustained a head injury. When he awoke in the hospital on Tuesday, he could not remember the accident or anything that happened last Sunday or Monday prior to the accident. His memories of his childhood, family, job, etc. remained intact, and he was able to learn and retain new information after he awoke on Tuesday. Mr. Johnson's memory problem would best be described asSelect one:
a. retroactive interference.
b. anterograde amnesia.
c. repression.
d. retrograde amnesia.
e. decay.