Q. A 60-year-old man with a history of chronic alcohol use disorder is brought to the clinic by his daughter. She reports that her father often tells stories that she knows didn't happen. He has also been unable to remember recent events and sometimes even forgets experiences from years ago. She also mentions that her father seems to have lost interest in activities he used to enjoy. On physical examination, the patient appears disoriented and displays personality changes. Based on the patient's symptoms, what is the most likely diagnosis?