Highlighted by Chris Kobler
From Why Physicists Are Saying Consciousness Is A State Of Matter, Like a Solid, A Liquid Or A Gas by The Physics arXiv Blog
This arises because quantum mechanics describes the entire universe using three mathematical entities: an object known as a Hamiltonian that describes the total energy of the system; a density matrix that describes the relationship between all the quantum states in the system; and Schrodinger’s equation which describes how these things change with time.
From Why Physicists Are Saying Consciousness Is A State Of Matter, Like a Solid, A Liquid Or A Gas by The Physics arXiv Blog
Take for example, the idea that the information in a conscious system must be unified. That means the system must contain error-correcting codes that allow any subset of up to half the information to be reconstructed from the rest.