Giuseppe Vitiello has been working with W. J. Freeman to relate the properties of many-body systems to cognition.
http://www.archive.org/details/Redwood_Center_2007_01_23_Giuseppe_Vitiello
Here is a paper on possible relationships between quantum theory, symmetry breaking, and chaotic classical Hamiltonians:
From a discussion about "Emergence" on the Creating AI Google group (http://groups.google.com/group/creatingAI/browse_thread/thread/ddbcf8d1f...):
I disagree completely with Penrose's conclusions. I don't think the
workings of an individual neuron need be looked at quantum
mechanically, and I do think consciousness can be modeled
algorithmically.
Wiki - "Shadows of the Mind ... In the book, Penrose expounds upon his
previous assertions that human consciousness is non-algorithmic, and