With neutral, there's nothing in particular that Evan needs to do. He just hangs out. He's relaxed. And the idea is to establish a baseline or normal state for his brain, because every brain is different.
De esta manera, no hay nada en particular que Evan tenga que hacer. Sólo relajarse. Y la idea es establecer un punto de partida o estado normal de su cerebro, porque cada cerebro es diferente.