Can personality and intelligence be measured? How do babies learn to perceive and think? What happens when we sleep? Attempting to answer these important questions and more, psychology – the scientific study of human and nonhuman behaviour – has never been more popular. From TV experts to the amateur musings of your best friend, the language of psychology has permeated all aspects of everyday life. Here, the author proves that modern psychology concerns far more than the everyday stereotypes of Freud, Jung, and ‘common sense’ advice to provide a vibrant and witty examination of what it is to be human.