A 38-year-old man is brought to the clinic by his wife for u…
A 38-year-old man is brought to the clinic by his wife for unusual behavior. He is disoriented, provides only approximate answers to questions, and reports hallucinations, blackouts, and memory lapses without coherent explanations. For example, when asked his age, he replies, “I’m not 10.” There is no evidence of neurological disease or substance use. What is the most likely diagnosis?