So the most popular one is probably this, functional MRI, fMRI, which allows you to make these pretty pictures like this, that show which parts of your brain light up when you're engaged in different activities.
Talvez a mais popular seja a ressonância magnética funcional, IRMf, que permite obter imagens  bonitas como esta, que mostram quais partes do cérebro acendem enquanto realizamos diferentes atividades.