For readers of Meghan O'Rourke's The Invisible Kingdom, Esm Weijun Wang's The Collected Schizophrenias, and Melissa Febos's Girlhood, a powerful and deeply personal memoir in essays that sheds light on the silent epidemic of head trauma. Annie Liontas suffered multiple concussions in her thirties. In Sex with a Brain Injury, she writes about what it means to be one of the...