New Delhi, Jan. 24 -- Back when I fancied myself a psychologist, someone once visited my home with a suitcase full of Kerala snacks, handing them out to people he thought deserved the gifts. As he stood there, he glanced at a newspaper on the table and said, "Oh, I see they've got my photo in the papers again". I looked at the image he was pointing to: It was a good one of a young, dashing Imran Khan.

This was long before artificial intelligence (AI) made its way into everyday life.

Expressions of further bizarre thoughts spilt out before my visitor took himself off to visit someone else. Serious delusional breaks with reality have been thought of as being mostly internally generated. But here we are today debating whether AI can trigge...