**A leading neurologist recounts some of her most astonishing and challenging cases, demonstrating how the study of epilepsy is critical to our understanding of the brain.** * * * **A “brilliant . . . beautifully humane account” for readers of Oliver Sacks’ *The Man Who Mistook His Wife for a Hat* ( *Guardian* , Best Books of the Year)** *Brainstorm* follows the stories of people whose medical diagnoses are so strange even their doctor struggles to solve them: a man who sees cartoon characters running across the room; a girl whose world suddenly seems completely distorted, as though she were Alice in Wonderland; another who transforms into a ragdoll whenever she even *thinks* about moving. The brain is the most complex structure in the universe. Neurologists must puzzle out life-changing diagnoses from the tiniest of clues, the ultimate medical detective work. In this riveting book, Suzanne O’Sullivan takes you with her as she tracks the clues of her patients’ symptoms. It’s a journey that will open your eyes to the unfathomable intricacies of our brains and the infinite variety of human experience.