Here is a 13-point synopsis of a book I published in the US last week: The Hidden Spring . (1) The great 19th-century physiologist Johannes Müller believed that animate organisms ‘contain some non-physical element or are governed by different principles than are inanimate things’. Helmholtz, Brücke, du Bois-Reymond and others disagreed; they argued that ‘no other forces than the common physical and chemical ones are active within the organism’. Sigmund Freud tried to establish a natural science of the mind on this basis, in which mental life could be reduced to ‘quantitatively determinate states of specifiable material particles’. He failed in his project, lacking the methods, and abandoned it in 1896. (2) A century later, Francis Crick (1994) declared that ‘you, your joys and your sorrows, your memories and your ambitions, your sense of personal identity and free will , are in fact no more than the behaviour of a vast assembly of nerve cells and their associated … [Read more...] about A Journey to the Source of Consciousness.