Size isn't everything ...it's all in the mind

IT is arguably nature's most complex invention, capable of everything from formulating Aristotelian logic and solving sudoku puzzles to breathing and blinking. The human brain has emerged from tens of thousands of years of evolution to reign supreme as the most intelligent device in the known universe, still leaving all man-made computers in its wake.

Early scientists had something of an obsession with size, and indeed brains have grown larger throughout evolutionary history.

But increasingly there has been a realisation that size isn't everything and the way the brain is "wired" is as importa...