Aphasia, The Amygdala, Anorexia, The Inner Thought Process, and Testosterone. You're probably wondering what the majority of these things are, don't worry, you're not alone. That is why this book was written, to teach you about: Aphasia, a language disorder that prevents the understanding and production of speech. The amygdala, the tiny organ in our brain that is responsible for the majority of our emotions. Anorexia, an emotional eating disorder...