In the 1970s, there was considerable uncertainty about the function of the hippocampus. Study of the amnesic patient, H. M., who had sustained a bilateral medial temporal lobe resection, indicated that this region of the brain was important for memory functions (Scoville and Milner, 19.57). However , the medial temporal lobe is a large region that includes not only the hippocampus, but also the...