Mind: Its Nature and Origin

When in 1823 Sigmund Freud published his structural id/ego/superego concept of the mind, he predicted that future scientific study would show that all mental experiences originate in the brain. Indeed, the extraordinary advances in neuroscience and brain-imaging technologies during the last three decades have indisputably established that the brain is involved in every mental activity.
However, we have yet to discover how electro-chemical activities in the brain produce or convert into menta...