Good question. I enjoyed this exploration of that question (using cellular automata instead of crabs): Muhlestein, M. (2013). Counterfactuals, Computation, and

Good question. I enjoyed this exploration of that question (using cellular automata instead of crabs): Muhlestein, M. (2013). Counterfactuals, Computation, and Consciousness. Cognitive Computation, 5(1), 99-105. Free copy: http://muhlestein.com/consciousness/ccc.html http://muhlestein.com/consciousness/ccc.html