Our brains contain one hundred billion nerve cells (neurons). Each neuron makes links with ten thousand other neurons to form an incredible three dimensional grid. This grid therefore contains a thousand trillion connections – that’s...

It was Freud’s ambition to discover the cause of hysteria, the archetypal female neurosis of his time. In his early investigations, he gained the trust and confidence of many women, who revealed their troubles to...

Concepts of memory tend to reflect the technology of the times. Plato and Aristotle saw memories as thoughts inscribed on wax tablets that could be erased easily and used again. These days, we tend to...