How uniquely irreducible is consciousness? Defining the limits of biological reductionism: a commentary on Neuroontology, neurobiological naturalism, and consciousness: a challenge to scientific reduction and a solution, by Todd E. Feinberg, MD
Phys Life Rev. 2012 Mar;9(1):35-7.
doi: 10.1016/j.plrev.2012.01.001.
Epub 2012 Jan 10.