The conscious self whose centre is presence and whose periphery is narrative is the tip of an iceberg of hidden conscious life all of which is experienceable under the right circumstances, that is, experienceable from the inside, from within an identical subject of a different character. (It may be that there is also a 'cognitive unconscious' which cannot be experienced from the inside, but the knowing of it can, its objectivity being folded into a cognising subject.) So you can wonder how far down in this 'iceberg' the sense of self extends. Does it melt into a pure happening of impersonal consciousness at a level where distinctions are completely fluid? To think this way is to treat the surface self as something special, a break in form. This seems unlikely. Self then extends all the way down but its character changes in unexpected ways.