 Firstly it is to be regarded as a sequence of events that stand in close temporal and causal relations. Physical processes cause sensory events, which are then framed by concepts, used as the basis of decisions, which give rise to actions, which in turn set physical processes in motion which cause new sensory events and so forth. The self is not seen as a cognitive nucleus which stays constant amidst the stream of changing sensory impressions and mental deliberations, but rather as the entire set of such sensory and mental events which are interconnected in complicated ways.