A New Approach to Predicting Epileptic Seizures

In July 2006, after suffering from epilepsy for more than 30 years, 41-year-old Sonya Hearn arrived at an unusually comfortable corner room on the eighth floor of Columbia University Medical Center, in New York City. During her 20-day stay there, she had several epileptic seizures while doctors recorded the electrical activity of her brain through electrodes leading out of an 8-centimeter hole in her head.