Drawing on the latest research in neuroscience and psychology, Cordelia Fine debunks the myth of hardwired differences between men's and women's brains, unraveling the evidence behind such claims as men's brains aren't wired for empathy and women's brains aren't made to fix cars. She then goes one step further, offering a very different explanation of the dissimilarities between men's and women's behavior. Instead of a "male brain" and a "female brain, " Fine gives us a glimpse of plastic, mutable minds that are continuously influenced by cultural assumptions about gender.