What causes Alzheimer’s disease? Is it true that you can be ‘left-brained’ or ‘right-brained’? What is the purpose of brain research? Can brain implants read and control our minds? How does stress affect your brain? Can you distinguish between people who are visual or auditory learners? Are emotions experienced in the heart or the brain? Why are you grumpy after a bad night of sleep? Why do children outperform adults in the game of ‘concentration’? Is dopamine good for you and serotonin bad?