Her first prompt got a refusal. By the end of the conversation, ChatGPT was telling her she could build a digital version of her brother that would talk to her in a “real-feeling” way. She was 26 at the time, a physician with no prior history of psychosis or mania. Her brother, a software engineer, had died about 3 years earlier. The case appears in Innovations in Clinical Neuroscience, written up by 4 UCSF psychiatrists with access to her full …