mrcem2-1001

A 45-year-old woman is brought in by her family due to her recent history of strange behavior. She is unable to recall events from a few years ago and also has difficulty answering questions about what has happened over the past few days. She attributes her poor memory to a recent car accident she was involved in. Her family reports that she drinks excessively. She also provides peculiar explanations to some other inquiries but remains friendly and polite during the consultation.
Which of the following is the MOST LIKELY diagnosis?