Jodi Picoult (post 4): “Writing is successful schizophrenia because I’m paid to hear voices in my head.” It's multiple personality trait, not schizophrenia

https://www.goodreads.com/quotes/567354-writing-is-successful-schizophrenia-because-i-m-paid-to-hear-voices

People with multiple personality trait may hear the voices of one or more of their alternate personalities. When the voices discuss the story or issues of their novel, or speak to each other and provide dialogue, fiction writers call these alternate personalities “characters.”

People with schizophrenia are cognitively impaired. This is not the life of someone who is cognitively impaired: https://en.wikipedia.org/wiki/Jodi_Picoult.

Nor is this an interview with a person who is cognitively impaired: https://www.c-span.org/video/?452813-1/depth-jodi-picoult.