Find the person you know who is most sold on artificial intelligence. The one who runs everything through a chatbot, who tells you the technology has changed how they work, who rolls their eyes when you fret about it. Now ask whether they would like the law to guarantee them a human being instead of an algorithm at the doctor’s office, or in court. Odds are they say yes. That, more or less, is the finding that caught a team of neuroscientists at Johns Hopkins University off guard this...