The Teenage BrainWhy is it that the behaviour of teenagers can be so odd? As they grow older, young children steadily improve their sense of how to behave, and then all of a sudden, they can become totally uncommunicative, wildly emotional, and completely unpredictable. We used to think that erratic teenage behaviour was due to a sudden surge in hormones, but modern neuroscience shows us that this isnt true. The Teenage Brain is a journey through the new discoveries