nsciousness depends on two interdependent aspects. The first aspect, – , refers to a person’s level of alertness. The second aspect, – , refers to how focused and intense a person’s experiences are. We might describe someone who is high in both aspects as experiencing – . Conversely, – corresponds to being low in both aspects. When someone is high in the first aspect and low in second aspect, they might experience – . When someone is low in the first aspect but high in the second aspect, they might experience – . deep sleepmemoryawarenessintense dreamswakefulnesssleepwalkingsynesthesiaarousal