Illustration by Morgan Schweitzer: pages 1, 42, 73, 117, 173, 235, 251
Medical record: pages 75, 90, 92, 119
Illustration by Morgan Schweitzer and Susannah Cahalan: page 132
Images from Dr. Josep Dalmau, University of Pennsylvania, Department of Neurology: page 148
Images from Dr. Souhel Najjar, NYU Medical Center, Departments of Neurology and Neuropathology: page 219