Hacking the brain: How technology is curing mental illness

Our perception of the mind changes as our technology evolves. With the whirring gears of the Enlightenment came the metaphor of the mind as a ticking clock. The steam engines and hydraulics of the industrial revolution influenced the drives and impulses of Freudian psychoanalysis. The signals of the telegraph network provided a basis for early neurology. In our current age we think of the mind in terms of computers.