Developments in our understanding of how the human mind works pose challenges to scientists and theologians about the role of religion and spirituality in our lives Britain’s leading scientist-theologian, John Polkinghorne, once said that our current map of the human mind is probably about as accurate as a seventeenth-century map of the world. Future research could lead to discoveries as surprising as the sighting of the Americas.One such surprise was the publication in 2009 of The Master and his Emissary: the divided brain and the making of the Western world by Iain McGilchrist. The author, a former consultant psychiatrist at the Maudsley Hospital in London, has undertaken research in neuroimaging at the Johns Hopkins Hospital in Baltimore and has taught English at Oxford Universi