In 2007, John Elder Robison wrote the international bestseller LOOK ME IN THE EYE, a memoir about growing up with Asperger’s syndrome. Amid the blaze of publicity that followed, he received a unique invitation: Would John like to take part in a study led by one of the world’s foremost neuroscientists, who would use an experimental new brain therapy known as TMS, or transcranial magnetic stimulation, in an effort to understand and then address the issues at the heart of autism? SWITCHED ON is the extraordinary story of what happened next.