Children whose dominant handedness is purposefully reversed may undergo profound alterations in their developing brains. Hidden Handedness tells this story from an autobiographical point of view. The story opens with the experiences of an adult who learns at age 41 that he belongs to a group of people whose handedness had been reversed. Such people are called submergees in the book. The surprising discovery initiates a return journey in which the submergee becomes an emergee: one who migrates back by reversing behaviors relating to handedness, experiencing an amazing rebirth of body and mind....