Use the following information to answer the next few questions.
While deployed to Afghanistan,a soldier steps on a landmine and loses the lower portion of his right leg and also sustains a substantial brain injury.In time,doctors observe that the soldier is not acquiring new long-term memories since the explosion occurred; however,his recollection of times previous to the explosion is impeccable.Sometimes the soldier can feel a tingling sensation in his missing limb.
-With regard to memory,which region of the brain has been affected by the explosion?