A 50-year-old man with a history of alcoholism has difficulty with short-term memory. He is unable to recall the date and cannot remember what he ate for breakfast this morning. He thinks the examiner is a long-lost friend and carries on a conversation with the examiner as if they have known each other for years. His long-term memory appears intact. The patient dies shortly thereafter of a myocardial infarct. Pathological examination of his brain is most likely to disclose an abnormality involving which of the following?
(A) Amygdala
(B) Caudate nucleus
(C) Hippocampus
(D) Locus caeruleus
(E) Mammillary bodies
(A) Amygdala
(B) Caudate nucleus
(C) Hippocampus
(D) Locus caeruleus
(E) Mammillary bodies