Information Integration Theory Most researchers agree that information must play some role in the complete theory of consciousness, but exactly what role it plays is controversial. Information Integration Theory, or IIT, is a view that assigns a very significant role to information proposed by neuroscientist Giulio Tononi (2008). He argues that the relevant kind of information integration is necessary and sufficient for consciousness. According to this view, consciousness is a purely information-theoretic property of cognitive systems, i.e., no other notion is more fundamental in this regard. The details of this theory are quite technical, and it needs to be further developed as it is quite young. Some have also compared it with panpsychism, the view that consciousness is one of the most fundamental properties of the world (