Into the Abyss: A neuropsychiatrist's notes on troubled minds

We cannot know how to fix a problem until we understand its causes. But even for some of the most common mental health problems, three specialists might offer you three completely different treatments.

As a cognitive neuropsychiatrist, Professor Anthony David brings together many fields of study, from social and cognitive psychology to neurology. The key for each patient might be anything from a traumatic memory to a chemical imbalance, an unhealthy way of thinking or a hidden tumour.

Patrick...