The human mind is capable of amazing and often baffling things. Baseball fans remember the cautionary tale of Steve Blass, the All-Star pitcher for the Pittsburgh Pirates whose career was undone prematurely when he couldn’t resolve a case of “the yips,” or the tendency to choke under pressure. Though the example is extreme, Blass isn’t alone. From irrational phobias to a midlife crisis, we've all experienced moments of utter confusion about the nature of our own behavior, emotions or perception of reality. Many women report a decline in memory and attention during pregnancy, but does “pregnancy brain” really exist? What causes the physical chest pain experienced with emotional heartbreak? In Part 2 of Ask the Brains, we’ve gathered 62 of the most interesting reader questions from Scientific American MIND’s popular Q&A column. In this eBook, neurologists and other scientists share what they know about how the mind works, including some of these baffling psychological experiences.