 Underlying the various attempts to identify what is characteristic about the unity of consciousness are two opposing views of the structure of a unified conscious experience. On what we will call the experiential parts view (EP), a unified conscious experience is a composite of other experiences. The no experiential parts view (NEP) denies this, asserting that while a unified conscious experience will have a complex object or content, it has no experiential parts. On this view, when the objects of particular experiences get incorporated into a ‘bigger’ unified experience, the new experience replaces the particular experiences rather than containing them as parts. It would be premature to discuss the two views here (see Sections  7.1  and  7.2)  but we need to know about them to understand the attempts that have been made to characterize unity. The first two ways of characterizing the unity of consciousness that we will examine are within the experiential parts approach. 