She treats patients who have had deep brain stimulators permanently implanted to treat illnesses that affect their mood or movement control. Her second book, The Midnight Disease: The Drive to Write, Writer's Block, and the Creative Brain, brought hypergraphia to general attention. The book has been the subject of numerous television and radio features and is required reading at many universities in the U.S. and Europe. Her other writing spans a number of genres, including an award-winning textbook, numerous scientific articles, a children's book, and the text for an organ work on Jacob and the Angel. She is currently completing a book on the biological links between psychosomatic, stoic, and empathic behavior.