The brain is much messier than a physical system. ... So it does not lend itself to being easily described by simple mathematical laws. Here is a nonsense that

The brain is much messier than a physical system. ... So it does not lend itself to being easily described by simple mathematical laws. Here is a nonsense that I really wish people would stop repeating. The only simple physical systems are the ones found in introductory physics textbooks. Meanwhile here in the real world: http://en.wikipedia.org/wiki/N-body_problem http://en.wikipedia.org/wiki/N-body_problem